ACTA
AMAZÔNICA
Ano I Abril 1971 N.° 1
SUPLEMENTO
SOIL TEMPERATURES
IN THE TERCIARY REGION
OF CENTRAL AMAZONIA
T e m p e r o t u r a s do solo n a r e g i ă o T e r c i á r i a d a A m a z ô n i a C e n t r a l
1, L a t o s o l sob f l o r e s t a t r o p i c a l ú m i d a *
W . L . F . B r i n k m o n r t , * * M N . Góes Ribeiro * * c J B P o t e ***.
A t e m p e r a t u r a do solo é u m fator i m p o r t a n t e para o v i d a
v e g e t a l . Fator crítico p a r a a g e r m i n a ç ã o , o d e s e n v o l v i m e n t o
de r a i z e s , a absorção e a e l i m i n a ç ã o de n u t r i e n t e s , a t e m p e
-r a t u -r a a i n d a i n f l u e n c i a à capacidade do solo -rete-r á g u a e a
atividade e a b u n d â n c i a de m i c r o o r g a n i s m o s fotosintéticos e n ã o
fotosintéticos n o litter.
A i n d a n ã o h a v i a observações de longa d u r a ç ã o sobre a t e m
-p e r a t u r a d o solo n a A m a z ô n i a . Cientistas do I N P A e do N C A R ,
n u m esforço c o n j u n t o , resolveram p r e e n c h e r a l a c u n a .
A p e r m u t a de calor entre as diversas c a m a d a s do solo,
i . e . os m e c a n i s m o s físicos dos vários processos energéticos
d o solo, n ã o são discutidos n o presente t r a b a l h o , já que u m a
a v a l i a ç ã o d e t a l h a d o da t e m p e r a t u r a e m vários tipos de solo
da A m a z ô n i a C e n t r a l constitue assunto de o u t r o t r a b a l h o e m
c o n c l u s ã o (2).
A s t e m p e r a t u r a s d o solo f o r a m registradas s i m u l t a n e a m e n t e
a três p r o f u n d i d a d e s d i f e r e n t e s , utilizando-se u m t e r m ó g r a f o
registrador à distância m u n i d o de três sensores e localizado a
120 c m do soio, n u m a b r i g o especialmente desenhado.
Os sensores utilizados são a m e r c ú r i o , encastoados e m sondas
de b r o n z e e c o m u m a c o m u n i c a ç ã o capilar c o m o t e r m ó g r a f o .
A s sondas são " t e m p e r a t u r e c o m p e n s a t e d " . T o d o o sistema
capilar é p r o t e g i d o c o m t u b u l a ç ã o plástica p a r a r e d u z i r ao
* Este é o primeiro de umo série de estudos sobre O s:lo do Amazônia,
executado pelo Loborotório do Fatores Ambientais da Instituto Nacionol
de Pesquisas do Amozônio, dentro do Programa Integrado de Pesquisas
Florestais, financiada pelo BNDE, Banco Nacional de Desenvolvimento
Econômico, Contrato F U N T E C 89/70,
* * Do Instituto Nacionol de Pesquisos da Amazônia, orgõo do Conselho
Nocionol de Pesquisas.
*** Do National Center fer Atmospheric Reseorch, Colorado, USA, patrocinado
pela National Science Foundation.
Soil t e m p e r a t u r e s i n t h e T e r t i a r y r e g i o n of c e n t r a l A m a z o n i a
I. L a t o s o l u n d e r t r o p i c a l r a i n f o r e s t c o v e r .
W . L . F . B r i n k m o n n , * M . N . Goes R i b e i r o * a n d J B P a t e * * .
Soil t e m p e r a t u r e s a r e a n i m p o r t a n t factor in plant life.
T h e y a r e a critical f a c t o r for g e r m i n a t i o n , root d e v e l o p m e n t or
n u t r i e n t u p t a k e a n d release of v a r i o u s c u l t i v a t e d crops a n d
plants. T h e y a r e closely related to soil w a t e r c a p a c i t y a n d
p a r t l y control the a c t i v i t y a n d a b u n d a n c e of photosynthetic a n d
n o n - p h o t o s y n t h e t i c m i c r o o r g a n i s m s in the soil a n d litter layers.
U p t o 1969, l o n g - t e r m soil t e m p e r a t u r e m e a s u r e m e n t s w e r e
not a v a i l a b l e for the T e r t i a r y region of central A m a z o n i a neither
for n a t u r a l forest sites nor clearcut areas.
Xhis
c h a l l e n g e w a s
a n s w e r e d
by
I N P A / N C A R scientists in a joint e f f o r t w i t h the
present set of soil t e m p e r a t u r e d a t e . H e a t e x c h a n g e between
d i f f e r e n t soil layers, i . e . the physical m e c h a n i s m s of v a r i o u s
energetic processes in the soil w e r e not discussed in this paper,
because a detailed e v a l u a t i o n of soil t e m p e r a t u r e s of various
central A m a z o n i a n soil types is u n d e r w a y (2),
Soil t e m p e r a t u r e s w e r e recorded s i m u l t a n e o u s l y for three
d i f f e r e n t depths by a remote recording three point r e r m o g r a p h set
up in a specially designed instrument shelter at about 120 c m
a b o v e the forest floor.
T h e t e m p e r a t u r e sensors a r e m e r c u r y filled
bulbs
encased
in brass probes w i t h c a p i l l a r y c o n n e c t i o n to the instrument. T h e
probes are t e m p e r a t u r e c o m p e n s a t e d . A d d i t i o n a l l y , the capillary
systems w e r e protected w i t h plastic hoses to reduce corrosion to
t h e v e r y m i n i m u m . O n l y probe t e m p e r a t u r e s a r e recorded. T h e
t h e r m o g r a p h was l a b o r a t o r y c a l i b r a t e d before exposure. Every
* Instituto Nacionol de Pesquisas do Amazônia (INPA), M A N A U S , Amazcnas,
BRASIL (1NPA is sponsored by the National Research Counr.il of Brazil).
** Notional Center for Atmospheric Reseorch, Boulder, Colorado, U. S. A ,
m í n i m o a corrosão. Somente sac registradas as t e m p e r a t u r a s
das sondas.
A c a l i b r a ç ã o do t e r m ó g r a f o , e x e c u t a d a e m laboratório antes
do início dos trabalhos, foi revisada c a d a três meses utilizando-se
para c o m p a r a ç ã o u m jogo de t e r m ô m e t r o s de solo convencionais.
A precisão obtida foi do o r d e m de mais o u menos 3,3°C d u r a n t e
todo o período de e x p e r i ê n c i a .
A t e m p e r a t u r a do solo foi registrado a três p r o f u n d i d a d e s
(20 - 40 c m ; 40 - 60 c m ; e 6 0 - 80 c m ) estando as Sondas
colo-cadas v e r t i c a l m e n t e . O t e r m ó g r a f o e s t a v a equipado c o m t a m b o r
f a z e n d o revolução completa e m 7 dias.
0 perfeito contato das sondas c o m o solo foi g a r a n t i d o pelo
perfeito p r e e n c h i m e n t o do orifício e m torno da sonda c o m o
solo retirada pela b r o c a , u m e d e c i d o e b e m apertado. A s medidas
f o r a m iniciadas duas semanas após a instalação das sondas.
O local das observações é u m a c h a p a d a de terra f i r m e
recoberta de floresta ú m i d a , n o interior da Reserva D u c k e , k m
26 da rodovia M a n a u s - l t a c o a t i a r a . O solo é classificado c o m o
latosol a m a r e l o m u i t o pesado (3). Semelhante tipo de solo é
representativo de pelo menos 8 5 % das terras altas terciárias
entre M a n a u s e o Rio Preto da E v a .
E x a m e físico do solo, média de três amostras e m c a d a
p r o f u n d i d a d e , forneceu o seguinte resultado :
lí 1) I)
p r o f u n d i d a d e areio m u i t o f i n a l i m o a r g i l a
c m (0.2 - 0,02 m m ) (0.02-0.002mm) ( > - 0 . 0 0 2 m m )
20 — 40 5 % 16 % 79 %
40 — 60 3 % 17 % 80 %
60 — 80 2 % 13 % 85 %
1) Textura conforme a classificaçco internacional de Atterberg.
A s variações da umidade no latosol coberto c o m floresta ú m i d a
de terra f i r m e , f o r a m insignificantes no t e m p o e na p r o f u n d i d a d e .
O solo é recoberto c o m litter. A s perdas por decomposição do
liíter são restauradas c a d a ano, especialmente d u r a n t e a estação
seca ( J u n h o - O u t u b r o ) .
t h r e e months, t h e calibration was adjusted by means of a set of
soil thermometers. T h e a c c u r a c y obtained w a s in the order of
about 0.3°C over the period of m e a s u r e m e n t s .
Soil t e m p e r a t u r e s w e r e recorded for three depths (20 - 4 0 c m ;
40 - 60cm a n d 60 - 8 0 c m ) w i t h t e m p e r a t u r e probes exposed
vertically operating w i t h o 7-day d r u m rotation. Direct soil
contact of t h e probes w a s g u a r a n t e e d by tightly fitting
bore-holes, w h i c h w e r e closed after e x p o s u r e w i t h washed-in soil f r o m
the a u g e r blade. A f t e r o two w e e k s settling, the t h e r m o g r a p h
was put into operation.
Soil t e m p e r a t u r e s w e r e recorded at D u c k e F o r e s t ' Reserve,
K m 26 of the M a n a u s - l t a c o a t i a r a Road. T h e site under s t u d y ,
a so-called c h a p a d a , w a s Covered w i t h a terra f i r m e rain
forest. T h e soil was classified as a v e r y h e a v y y e l l o w latosol (3).
T h i s soil t y p e is representative f o r at least 85 percent of the
T e r t i a r y uplands between the city of M a n a u s a n d the Rio Preto
da Eva,
M e c h a n i c a l soil analyses ( a v e r a g e of 3 subsomples each)
was as follows :
I) 1) I)
soil depth v e r y f i n e sand silt c l a y
(cm) (0.2 - 0.02 m m ) (0.02 - 0.002mm) ( < 0.002 m m )
20 — 40 5 % 16 % 79 %
40 — 60 3 % 17 % 80 %
60 — 80 2 % 13 % 85 %
1) Texture ocording to the International Atterbcrg Classification.
Soil moisture fluctuations in t h e latosols c o v e r e d w i t h
n a t u r a l terra f i r m e rain forest were insignificant w i t h t i m e a n d
depth. T h e year r o u n d , soil moisture was at about field capacity.
T h e forest floor was c o v e r e d w i t h a perenial litter layer.
Decomposition losses w e r e restored e v e r y y e a r p r i m a r i l y during
rhe d r y season ( J u n e to O c t o b e r ) .
A f l o r e s t a ú m i d a d a t e r r a f i r m e q u e c o b r e o solo é u m a f l o r e s t a
t í p i c a d o s c h a p a d a s e n c o n t r a d o s a o l o n g o da r o d o v i a M a n a u s
-l t a c o a t i a r a e é b a s t a n t e s e m e -l h a n t e à e n c o n t r a d a nos d i f e r e n t e s
latosols d a r e g i ã o t e r c i á r i a d a A m a z ô n i a C e n t r a l ,
A q u e l a f i o r e s t a foi p r e l i m i n a r m e n t e i n v e n t a r i a d a e m 1965 (4).
A s á r v o r e s d o m i n a n t e s e r a m
E s c h w e i l e r a
spp. {6,5 á r v o r e s / h a ) ;
S c l e r o n e m a m i c r a n t h u m
D u c k e (3.4 á r v o r e s / h a ) ;
C o r y t h o p h o r a
a l t a
K n u t h ( 2 . 9 á r v o r e s / h a ) e
R a g a E a s p u v i a
( D u c k e ) A u b r .
( 2 . 2 á r v o r e s / h a ) . F r e q u ê n c i a d e t e r m i n a d a p a r a o t o t a l de
á r v o r e s c o m d i â m e t r o s u p e r i o r a 25 c m D B H .
T a k e u c h i (5) v e r i f i c o u q u e m a i s de 4 0 % d o t o t a l de á r v o r e s
c o m d i â m e t r o s u p e r i o r a 10 c m D B H p e r t e n c i a m a três f a m í ü a s :
L e g u m i n o s c e , L e c y t h r d a c e a e
e
S a p o t a c e a e .
F o r a m e n c o n t r a d a s
2
a o t o d o 123 á r v o r e s e m 1600 m n a f l o r e s t a de c h a p a d a .
N a s c h a p a d a s d a R e s e r v a D u c k e , as á r v o r e s d o m i n a n t e s s ã o
E s c h w e i l e r a
spp ( 8 . 2 á r v o r e s / h a ) e
S c l e r o n e m a m i c r a n t h u m
D u c k e ( 3 . 5 á r v o r e s / h a ) , c o n f o r m e i n v e n t á r i o c o b r i n d o 36 h a
d e n t r o dos q u a i s se i n c l u í a o local o n d e se r e a l i z a r a m as d e t e r m i
-n a ç õ e s , o b j e t o deste t r a b a l h o .
A a l t u r a d a c o p a v a r i a de 25 a 35 m. O s três estratos de c o b e r
-t u r a f o r m a m u m d e n s o a b r i g o c o n -t r a a r a d i a ç ã o d i r e -t a . H á
a l g u m a s e p i f i t a s e c i p ó . O e s t r a t o a r b u s t i v o é c o n s t i t u í d o d e
p a l m e i r a s c o m o
A s t r c c a r y u m u n i b a c a , S y a g r u s i n a j a i
e o u t r a s ,
a l é m d e i n d i v í d u o s e m c r e s c i m e n t o de d i v e r s a s espécies a r b ó r e a s .
O e s t r a t o i n f e r i o r é c o n s t i t u í d o d e n u m e r o s a s p l â n t u l a s , p o u c a s
h e r b á c e a s das f a m í l i a s
C y p e r o c c a e , M a r a n t h a c e a e
e
O r c h i d a c e a e
e p a l m e i r a s s e m estipe.
O s registros de t e m p e r a t u r a f o r a m r e m o v i d o s c a d a 7 dias
F o r a m a n o t a d a s as t e m p e r a t u r a s r e g i s t r a d a s c a d a d u a s h o r a s e a
t a b u l a ç ã o f o i e x e c u t a d a n o I N P A . D a d o s t a b u l a d o s f o r a m r e m e
-tidos ao N C A R p a r a p e r f u r a ç ã o e m c a r t õ e s e c o m p u t a ç ã o . O
t e r m ó g r a f o , u t i l i z a d o e m v i r t u d e d o c o n v ê n i o e n t r e o C o n s e l h o
N a c i o n a l de Pesquisas e o I n s t i t u t o M a x P l a n c k p a r a L i m n o l o g i a ,
P l c e n , p e r t e n c e a o D e p a r t a m e n t o de E c o l o g i a T r o p i c a l d a q u e l e
Instituto.
R o a d , is closely related t o the d i f f e r e n t latosols o f t h e T e r t i a r y
r e g i o n of c e n t r a l A m a z o n i a . T h i s f o r e s t c o m m u n i t y w a s p r e l i m i
-n a r i l y i -n v e -n t o r i z e d i-n 1965 (4). T h e d o m i -n a -n t t r e e species w e r e :
E s c h w e i l e r a
spp. (6.5 t r e e s / h a ) ;
S c l e r o n e m a m i c r a n t h u m
D u c k e
(3.4 t r e e s / h a ) ,
C o r y t h o p o r a a l t a
K n u t h (2.9 t r e e s / h a ) a n d
R a g a l a
s p u v i a
( D u c k e ) A u b r . (2.2 t r e e s / h a ) . T h e f r e q u e n c i e s s t a n d f o r
all trees w i t h d i a m e t e r s a b o v e 25 c m D B H .
T a k e u c h i (5) h a s s h o w n , t h a t m o r e t h a n 40 p e r c e n t of all
trees a b o v e 10 c m in d i a m e t e r ( D B H ) b e l o n g e d t o t h r e e f a m i l i e s :
L e g u m i n o s a e , L e c y t h i d a c e a e
a n d
S a p o t a c e a e .
T o t a l n u m b e r of
trees f o r a 1600 m i n v e n t o r y of t h e c h a p a d a forest w a s
e v a l u a t e d w i t h 123 trees,
D o m i n a n t t r e e species at t h e * c h a p a d a s of t h e D u c k e F o r e s t
R e s e r v e a r e
E s c h w e i l e r a
spp (8.2 t r e e s / h a ) a n d
S c l e r o n e m a
m i c r a n t h u m
D u c k e (.5 t r e e s / h a ) . T h e f o r e s t i n v e n t o r y c o v e r e d
o n a r e a of 3 6 h a , i n c l u d i n g t h e soil t e m p e r a t u r e s a m p l i n g site ( 1 ) .
C a n o p y h e i g h t s r a n g e f r o m 25 m t o 35 m. T h e t h r e e
c a n o p y s t r a t a f o r m q u i t e a d e n s e s h e l t e r a g a i n s t d i r e c t r a d i a t i o n .
T h e r e a r e s o m e e p i p h y t e s a n d t r a i l i n g lianas. T h e s h r u b s t r a t u m
consists of p a l m s , as
A s t r o c a r y u m u n i b a c a , S y a g r u s i n a j a i ,
et. a l .
a n d s a p l i n g s of v a r i o u s t r e e species. T h e g r o u n d s t r a t u m is
f o r m e d b y n u m e r o u s s e e d l i n g s , a f e w h e r b s of the f a m i l i e s
C y p e r a c e a e , M a r a n t h a c e a e
a n d
O r c h i d a c e a e
(1) a n d stemless
p a l m s .
References :
(If Aubréviile, A., Etude écoiogique des principals formotions vègétcles du Brésit. Centro Technique Forestier Tropical. Nogent sur Marne. 1961. (2) B R I N K M A N N , W . L . F . , M . N . Góes Ribeiro ond J . B . Pate. Soil
temperatures in the Tertiary region of Control Amazonia II Cleared white sond areas. Acto Amazônica. V c l . 1t n.° 2 — Supplementary Issue, (in press).
(3) tPEAN, Os sotos da áreo Monaus-ltacooticro. Série Estudos e Ensaios N.° 1 : 1 — 117, 1969.
W) Rodrigues, W . A . inventário florestal piloto ao longo da Estrada Manaus-Itacootiara, Estodo d j Amozonos: dados preliminares. Atas do Simpósio a Bioto Amazônica. Vol. 7 : 257 — 267. 1967. (5) Takeuchi, M. The structure of the Amazonian vegetation It: Tropical Rain
10 j U L 1 9 6 8 11 J U L 1 9 6 8 12 J U L 1968
2 0 - 4 0 C M . 4 o _ f e o C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 A M . T I M E
200 2 4 . 3 4 0 0 2 4 . 2 6 0 0 2 4 . 2 800 2 4 . 2 1 0 0 0 2 4 . 2 1 2 0 0 2 4 . 3 1 4 0 0 2 4 . 3 1 6 0 0 2 4 . 3 1 8 0 0 2 4 . 4 2 0 0 0 2 4 . 3 2,20 0 2 4 . 3 2 * 0 0 2 4 . 3 M I N I M U M 2 4 . 2
M A X I M U M 2 4 . 4
M E A N 2 4 . 3
M E D I A N 2 4 . 3
RANGfc. . 2
fi
. S . D . . 2? 4 . 5 c-4,4 * 4 . 4 ? 4 . 4 2 ^ . 5 ? 4 . 5 2 4 . 5 2 * . 4 24
. 4 24 , 4
3 4 . 4
. 1
. 5
2 4 . 5 2 4 , 4 2 4 . 4 2 4 , 4 2 * . 4 2 4 . 5 2 4 , 5 2 4 . 5 2 4 . 5 2 ^ . 4 2 4 , 4 2 4 . 4
2 4 . 4
2 4 . 5
2 4 . 4
2 4 . 4
.1
. 2
2 4 . 3 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 3 2 4 , 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 , 3 2 4 . 3 2 4 . 3
2 4 . 2
2 4 . 3
2 4 . 3
2 4 . 3
. 1
. 2
2 4 . 3 2 4 . 3 2 4 . 3 2 4 , 3 <:4,4 24. 5 2 4 . 4 2 * . 4 2 4 . 4 2 4 , 3 2 4 , 3 2 4 . 3
2 4 . 3
2 4 , 5
2 4 . 3
2 4 . 3
. 2
2 4 . 4 2 4 , 3 2 4 , 3 2 4 , 3 2 4 , 4 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 4 2 4 . 4
2 4 . 3
2 4 . 5
2 4 , 4
2 4 , 4
. 2
. 3
2 4 . 3 2 4 . 3 2 4 . 2 2 4 . 2 2 4 , 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 0
2 4 . 0
2 4 . 3
2 4 . 2
2 4 . 2
. 3
, 3
2 4 . 3 2 4 . 3 2 4 . 2 2 4 . 2 2 4 . 3 24 . 3 2 4 , 3 2 4 . 3 2 4 , 2 2 4 , 2 2 4 . 2 2 4 . 1
2 4 . 1
2 4 , 3
2 4 . 2
2 4 . 3
2 4 . 3 2 4 , 3 2 4 , 3 2 4 , 3 2 4 . 3 2 4 , 4 2 4 , 4 2 4 , 3 2 4 , 3 2 4 , 2 2 4 . 2 2 4 , 2
2 4 . 2
2 4 , 4
2 4 . 3
2 4 . 3
, 2
. 3
1 3 j U L 1 9 6 8 1 4 J U L 1 * 6 8 1 5 J U L 1 9 6 8
2 0 - 4 0 C M , 4 Q _ 6 Q C M , 6 0 - 8 0 C M , 3 0 - 4 0 C M , 4 0 - 6 0 C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 Q - 8 Q C M ,
T I M E
2 0 0 400 6 0 0 e o o 1000 1200 1400 1600 lfJOO 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
MAX I MUM
2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 , 0 2 4 , 0 2 4 . 0 2 4 , 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0
2 * . U
2 4 . 0
8* . . l
24 , 2
2 ^ . 1
2 4 , 2 2 4 , 2 2 4 , 2 2 4 , 2 2 * , 2 2 4 , 3 2 4 , 3 2 4 , 3 2 4 , 3 2 4 , 3 2 4 , 2 2 4 , 2
2 4 , 2
2 4 , 3
2 4 . 0 2 3 . 9 2 3 , 9 2 3 . 9 2 3 . 8 2 3 . 8 2 3 . 8 2 3 . 8 2 3 . 8 2 3 , 8 2 3 . 8 2 3 . 7
2 3 . 7
2 4 . 0
2 4 , 1
2 4 . 1 2 4 . Q 2 4 , 0 2 4 . 1
2 4 . 0
2 4 , 0 2 4 . 0
2 4 . j 2 4 , o
2 3 , 9
2 3 . 9
2 4 . 1
2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 1 2 4 , 2 2 4 . 2 2 4 , 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2
2 4 . 1
2 4 . 2
2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 8
2 3 , 7
2 3 . 8
2 3 . 9 2 3 . 9 2 3 . 9 2 3 , 9 2 4 . 0
2 3 . 9
2 4 . 0
2 4 . 2 2 4 . 2 2 4 . 2 2 4 , 2 2 4 , 3
2 * . 2
2 4 , 3
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
ME AN
MEG I AN
R A N G E
ft.5,0.
2 4 . 0
24 , o
0 . 0
0 . 0
% 4» . l
. 1
? 4 , 2
2 4 . 2
, 1
a
2 3 . 8
2 3 . 8
. 3
. 3
2 4 , 0
2 4 . 0
. 2
2 4 . 2
2 4 . 2
. 1
. 2
2 3 . 7
2 3 . 7
. 1
. 2
2 3 . 9
2 3 . 9
1
• 2
2 4 . 2
2 4 . 2
. 1
10 |U|_ 1 9 6 8 17 J U L 1 9 6 8 18 J U L 1 9 6 8
2 0 - ^ 0 C M , ' J O . b O C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M , 4U-6-0 C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M , 4 0 - 6 0 C M , 6 n - 8 Q C M , T I M E
200 4 0 0 6 0 0 S00 l u Q O 1^00 1*00 l o O O 1800 2 0 0 0 2 2 0 0 2 * 0 0
2 3 . t . 2 3 . 7 2 3 . 7 2 3 , 7 2 3 . 7 2 3 . 7 2 3 . 7
?3 , 8 2 ^ . 8 ? 3 . 8
2 3 . 7 : J . 7
2 4 , 2 2 4 , 2 2 4 . 2 2 4 , 2 2 < * . l 2 4 , 1 2 4 . 0
2 3 . 7 2 3 . 7 2 3 . 6 2 3 . 6 2 3 . 6 2 3 . 7 2 3 . 7 2 3 , 7 2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 7
2 3 . 7 2 3 , 7
23
.7
2 3 . 7 2 3 . 8 2 3 . 9 2 3 , 9 2 3 . 9 2 3 . 9 2 3 , 8 ? 3 , 8 2 3 . 62 4 . 0 2 4 , 0 2 4 . 0 2 4 , 0 2 4 . 1 2 4 . 1 2 4 . 2 2 4 . 2 2 4 . 2 2 4 , 1 2 4 . 1 2 4 . 0
2 3 , 7 2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 8 2 3 . 8 2 3 , 8 2 3 . 8 2 3 . 8 2 3 . 8 2 3 . 8
2 3 . 8 2 3 . 8 2 3 . 8 2 3 . 8 2 3 . 9 2 4 , 0 2 4 . 0 2 4 , 0 2 4 . 0 2 3 . 9 2 3 . 9 2 3 . 9
2 4 . 0 2 4 . 0 2 4 , 0 2 4 , 0 2 4 . 1 2 4 , 1 2 4 , 2 2 4 , 2 2 4 . 2 2 4 , 1 2 4 . 1 2 4 . 1
T I M E 2 0 0 4 0 0 6 0 0 8 0 0 1000 1200 1400 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M 2 3 . 6 > 3 . 7 2 4 . 0 ! 3 . b 2 3 . 7 2 4 . 0 2 3 . 7 2 3 . 8 2 4 , 0
M A X I M U M 2 3 . 7
MEAN 2 3 . 7 . M E D I A N 2 3 . 7
R A H G F
* . 5 . 0 .
. 1
. 1
j 3 . e
? 3 . 8
• i
. 2
2 4 . 2
?A . 1 2 4 , 2
. 2 . 3
2 3 . 7
2 3 . 7
2 3 . 7
.. 1
. 2
2 3 . 9
2 3 . 3
2 3 , e
2 4 . 2
2 4 . 1
2 4 . 1
. 2
. 3
2 3 . 8
2 3 . 8
2 3 , 8
2 4 . 0
2 3 . 9
23 . 9
2 4 , 2
2 4 , 1
2 4 . 1
. 2
]<S j U L 1 9 6 8 20 J U L 1 9 6 8 21 J U L 1 9 6 8
20-<*0 C M , -*0_6o C M . 6 0 - 8 0 C M . 2 0 - » 0 C M . 4 G - a 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 Q - 8 0 C M .
T I ME
200 400 600 S0 0 1000 1200 1400 1600 1 80ú 2 0 0 0 2£0Q 2 4 0 0
2 3 . a 23-. 8 2 3 . H 2 3 . 8 2 3 . 8 2 3 . 8 2 3 . 9 2 3 . 9 £ 4 . 0 2 4 . 0 24- 0 2 4 . 0
2-3.8
a A . o
^ 4. 0
2 4 . 0 2 4 , 0 2 4 . 0 2 4 . 0 2 4 . 1 2 * , 1 2 4 . 2 2 4 , 2 2 4 . 2 Z 4 . 1 2 4 . 1 2 4 , 1
2 3 . 9 2 3 . 9 2 3 . 9 2 3 . 9 2 i . 9 2 4 . 0 2 4 , 0 2 4 . 0 2 4 . 0 £•*. 0 2 4 . 0 2 4 . 0
2 4 . o 2 4 , 0 2 4 , o 2 * . 0 2 4 , o
2 4 . .) 2 4 . 0
2 * . o
2 4 . 1 2 4 , 1 2 4 , 1 2 4 . 1 2 4 , 2 2 4 . 3 2 4 , 3 2 * . 3 2 4 . 2 2 4 . 2 2 4 , 2 2 4 , 2
2 4 . 0 2 4 . 0 2 3 . 9 2 3 , 9 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 * . 0 2 4 , 0
24 . 0 2 4 , 0 2 4 . 0 24 . 0 2 4 . 1 2 4 . 2 2 4 . 2 24 , 2 2 4 . 2 2 4 . 1 2 4 . 0 24 .0
2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 . 3 2 4 . 3 2 4 , 3 2 4 . 3 2 4 , 2 2 4 . 2 2 4 , 2
T I M E
2 0 0 400 600 800 1000 1200 1400 1600 1B00 2 0 0 0 2200 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
2 3 . 8
?A.
o2 3 . 9
2.1.9
^ 4 . 0 2-4,2
g 4 , 1
24 , 1
2 3 . 9
2 Ν . 0
2-4.0
2 4 . 0
2 4 . 0
2 4 . 1
2 4 , 0
24".0
2 * . I
2 4 , 3
2 4 , 2
2 4 . 2
2 3 . 9
2 4 . 0
2 4 . 0
2 4 . 0
2 4 . 0
2 4 . 2
24 .1
2 4 . 1
2 4 . 1
2 4 . 3
! 4 , 2
2 4 . 2
, 2 , 2 . 1 . 1 , 2 . 1 . 2 .2
2 2 j U L 1 9 6 8
2 0 - 4 0 C M . 4 o _ 6 o C M . 6 0 - 8 0 C M .
2 3 J U L 1 9 6 8
2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M .
24 J U L 1 9 6 8
2 0 - 4 Q C M , 4 Q - 6 0 C M . 6 0 - 8 0 C M . T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1000 1200 1400 1600 1800 2 0 0 0 2200 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
24".0 2 4 . 0 2 3 . 9 2 3 . 9 2 3 . 9 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 3 . 9 2 3 . 8
2 3 . 8
2 < . 0
2 3 . 9
M E D I A N 2 ^ . 0
? 4 . o 24 . o ?4. o ?4 . o
2 . ^ . 2 24. 2
2 * , I) 0 ,0 24 2 ^
R A N G E
R . S . D .
. 2
. 3
2 4 . 0
. 2
2 4 . 1 2 4 , 1 2 4 . 1 2 4 , 1 2 4 . 2 2 4 . 3 2 4 . 3 2 4 , 3 2 4 . 3 2 4 , 2 2 4 , 2 2 4 . 1
2 4 , 1
2 ^ . 3
2 4 . 2
2 4 , 2
. 2
2 3 . 8 2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 2 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 2 2 3 . 2
2 3 . 2
2 3 . 8
2 3 . 4
2 3 . 3
. b
1-.0
2 4 , 0 2 3 . 9 Z S . 9 2 3 . 9 2 3 . 4 2 3 . 5 2 3 , 5 2-*. 5 2 3 . 4 2 3 . 4 2 3 , 3 2 3 . 3
2 3 . 3
2 ^ . 0
2 3 . 6
2 3 , 5
. 7
1.1
2 4 . 1 2 4 . 0 2 4 . 0 2 4 . 0 2 3 , 6 2 3 , 7 2 3 . 7 2 3 , 7 2 3 , 7 2 3 , 6 2 3 . 6 2 3 . 5
2 3 , 5
2 4 . 1
2 3 , 8
2 3 . 7
. 6
. 8
2 3 . 2 2 3 , 2 2 3 . 2 2 3 , 2 2 3 . 2 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 3
2 3 . 2
2 3 . 3
2 3 . 3
2 3 . 3
.1
. 2
2 3 . 3 2 3 , 3 2 3 , 3 23 , 3 2 3 . 4 2 3 , 4 2 3 . 5 2 3 . 5 2 3 . 4 2 3 . 4 2 3 . 3 2 3 . 3
2 3 . 3
2 3 . 5
2 3 . 4
2 3 . 4
. 2
. 3
2 3 . 5 2 3 , 5 2 3 . 5 2 3 , 5 2 3 , 5 2 3 , 6 2 3 . 6 2 3 , 6 2 3 , 6 2 3 . 6 2 3 . 5 2 3 . 5
2 3 . 5
2 3 . 6
2 3 . 5
2 3 . 5
.1
. 2
T I M E
2 a pUL 1 9 6 6 26 J U L 1 9 6 8 27 J U L 1 9 6 8
2 0 - 4 u C M . t u . f t Q C M . 6 0 - 8 d C M , 2 0 - 4 0 C M , 4 0 - 6 0 C M , 6 0 - 8 & C M , 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 Q - 8 0 C M ,
T I M E
2 0 0 4 0 0 6 0 0 3 0 0 1 0 0 0 1 ^ 0 0 1 4 0 0 1 6 0 0
l a o o
£ 0 0 0 2 2 0 0 2 4 0 0
2 3 . 3 2 3 . 3 2 3 . 3 2 3 , 3 2 3 . 3 2 3 . 3 2 3 . 2 2 3 . , ? 2 3 . 2 2 3 . 2 2 3 . 2 2 3 . 2
<P
.3
j 3 . 3
1-3.3
23 . ^ « . 3 . 3
2 3 . 5
23.5
2 3 . 5 2 3 . 5 2 3 . 6 2 3 . 6 2 3 . 5 2,1.5 2 3 . 5 2 3 . 5 2 3 . 5 2 3 . 5
2 3 . 2 2 3 . 1 2 3 , 0 2 3 . 0 2 3 . 1 2 3 . 1 £ 3 . 1 £ 3 . 1 £ 3 . 1 2 3 . 1 ? 3 . 1 £ 3 . 1
2 3 . 2
£3.2
2 3 . a
2J.2
2 3. 3
2 3 . 4 2 3 , 3
23.2
2 3 . Z
2 3. 2
23.2
2 3. 2
2 3 . 5 2 3 . 4 2 3 . 4 2 3 , 5 2 3 . 6 2 3 . 6 2 3 . 6 2 3 , 5 2 3 , 5 2 3 , 5 2 3 , 5 2 3 . 5
2 3 . 1 2 3 . 1 2 3 . 1 2 3 , 1 2 3 . 2 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 3 2 3 . 4 2 3 . 4 2 3 . 4
2 3 . 2 2 3 . 2 2 3 . 2 2 3 , 2 23 , 3 2 3 . 4 2 3 . 4 2 3 . 4 2 3 . 3 23 . 3 2 3 . 3 23 . 3
2 3 . 5 2 3 . 5 2 3 , 4 2 3 . 5 2 3 . 5 2 3 . 6 2 3 , 6 2 3 , 6 2 3 , 6 2 3 . 5 2 3 . 5 2 3 . 5
T I M E 200 4 0 0 600 800 1000 1200 1400 1600 1800 2 0 0 0 2 2 0 0 2 * 0 0
M I N I M U M 2 3 . 2 M A X I M U M 2 3 . 3
M.EAN 2 3 . 2
M E D I A N 2 3 . 3
R A N G E
fl.S.O. . 2
2
3 . 2
?3
.4
^; ?. 3
. 2
. 3
2 3 . 5
S 3 . 6
2 3 . 5
2 3 . 5
. 2
2 3 . 0
2 3 . 2
2 3 , 1
23 . 1
. 2
. 2
2 3 , 4
2 3 . 2
2 3 . 2
2 3 . 4
2 3 . 6
2 3 . 5
2 3 . 5
. 2
. 3
2 3 . 1 2 3 , 4
2 3 . 2
2 3 . 3
. 3
. 5
2 3 . 2
2 3 . 4
2 3 . 3
2 3 . 3
2 3 . 4
2 3 . 6
2 3 . 5
2 3 , 5
. 2
2 b j U L 1 9 6 8 29 J U L 1 9 6 8 30 J U L 1 9 6 8
2 0 - 4 0 C M . 4 0 , 6 o C M . 6 0 - 8 ( J C M . 2 0 - 4 0 C M . 4 0 - O U C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 Q - 8 0 C M .
T I M E
200 4 0 0 6 0 0 800 1 0 0 0 1 2 0 0 1 4 0 0 l h O O 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
23.4¬ 2 3 . 3 2 3 . 3 2 3 . 3 ¬ 2 3 . 4 2 3 , 5 2 3 , b 2 3 . b 2 3 . b 2 3 . b 2 3 . b 2 3 . b
2 3 . 3
? 3 . 3 2J. 3 2 3 . 3 2 ^ . 3 ? 3 . 4 ? 3 . b ? 3 . 5 ; 3 . 5 2 3 . 4 ?3
. 4
2 ^ . 4
? 3 . J
2 3 . 5 2 3 . 5 2 3 , 4 2 3 . 5 2 3 . 6 2 3 . 6 2 3 , 6 2 3 . 6 2 3 , 5 2 3 . 5 2 3 . 2 2 3 , 5
2 3 , 4
2 3 . 4 2 3 . 4 2 3 . 4 2 3 , 4 t ' 3 . 5 2 3 , 5 2 3 . 5 2 3 . 5 2 3 . 5 2 3 , 5 2 3 . 5 2 3 . 5
2 3 . 4
2 J . 4 2 3 , 4
2 J. 4 , 4 2 - J . b 2->,b 2 - i . b 2 J . 5 2 - J . 5 2 J , 5 2 J . 4 2 J , 4
2 3 . .
2 3 . 5 2 3 . 5 2 3 . 5 2 3 , 5 2 3 . 5 2 3 , 6 2 3 . 6 2 3 . 7 2 3 . 7 2 3 , 6 2 3 . 6 2 3 . 5
2 3 . 5
2 3 . 5 2 3 . 4 2 3 , 4 2 3 . 4 2 4 . 3 2 4 . 3 2 4 , 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 0
2 3 . 4
2 3 . 4 2 3 , 4 2 3 , 4 2 3 . 4 2 4 . 3 2 4 . 4 2 4 . 3 2 4 . 2 2 4 . 2 2 4 . 2 2 4 , 1 2 4 . 1
2 3 . 4
2 3 . 5 2 3 , 5 2 3 . 5 2 3 . 5 2 4 . 2 2 4 . 3 2 4 . 4 2 4 , 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3
2 3 . 5
T I M E 2 0 0 4 0 0 6 0 0 8 0 0 1000 1200 1400 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
M A X I M U M
MEAN
M E D I A N
R A N G E
ft . 5 . D .
2 3 . 5
2 3 . 4
23 . b
. 2
? 3 . 5
2.3.4
23 . 4
. 2
. 3
2 3 . 6
2 3 . 5
2 3 , 5
, 2 . 3
2 3 . 5
2 3 . 5
2 3 . 5
. 1
2 3 . 5
2 3 , 4
2 3 . - 5
2 3 . 7
2 3 . 6
2 3 . 6
. 2
. 3
2 4 . 3
2 3 . 9
2 4 . 2
. 9
1 . 5
2 4 , 4
2 3 . 9
2 4 , 2
1 . 0
1 . 7
2 4 , 4
2 4 . 0
2 4 , 3
. 9
31 J U L 1 9 6 8 1 A U G 1 9 6 8 2 A U G 1968
2 0 - 4 0 C M . 4(j_6o C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 o ~ 8 0 C M ,
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
R A N G E
2 4 . 0 2 4 . 0 2 3 . 9 2 3 , 9 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 , 0 2 4 . 0 2 4 . 0
2 3 . 9
2 4 . 0
2 4 . 0
2 4 . 0
c4 . 1 ? 4 . 0 2 4 . 0
? 4 , 1 24 . 2 24
. 3 2 4 . 2 2 4 . 1
2 4 ^ 24
. i
2 * . 0
2 4 . 1
. 3
. *
2 4 , 3 2 4 , 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 4 2 4 , 4 2 4 , 4 2 4 , 4 2 4 . 3 2 4 , 3 2 4 , 3
2 4 , 3
2 4 . 4
2 4 . 3
2 4 . 3
. 1
2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 1 2 4 . 1 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0
2 4 . 0
2 4 . 1
2 4 . 0
2 4 . 0
. 1
2 4 , o 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 1 2 4 , 2
^ . l
2 4 . 1 2 4 . 1 2 4 . 1
2 4 . 0
2 4 , 2
2 4 . 1
2 4 . 1
. 2
2 4 . 3 2 4 . 3 2 4 . 3 2 4 , 3 2 4 . 4 2 4 . 4 2 4 , 3 2 4 . 3 2 4 , 3 2 4 , 3
2 4 . 3
2 4 , 4
2 4 . 3
2 4 . 3
.1
,2
T I M E
-3 4U G 1 9 6 8 4 A U G 1 9 6 8 5 A U G 1 9 6 8
2 0 - 4 0 C M . 4 0 . 6 Q C M , 6 0 - 8 0 C M , 2 0 - 4 0 C M . 4 0 - b O C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M , 60-8O C M ,
T I M E
200 4 0 0 6 0 0 800 1000 12.00 1400 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
T I M E
200 4 0 0 6 0 0 8 0 0 1000 1200 1400 1 6 0 0 1800 20 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
R A N G E
6 fiUQ 1 9 6 8 I
2 0 - 4 0 C M , 4 0 _ 6 Q C M . 6 0 - 8 0 C M ,
7 A U G 1 9 6 8
2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M .
8 A U G 1 9 6 8
2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M ,
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 * 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M UM
2 4 . 3 2 4 , 3 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 , 2 2 4 . 1
24.1
M A X I M U M 2 4 , 3
MEAN 2 4 . 2
M E D I A N 2 4 . 2
R A N G E
R . S . D .
. 2
. 2
24. 4 24 . 4 z 4 . 3
24. 3
2 4. 2
' 4 . 2
24 . 4
2 * . 3
. 2
. 3
2 4 , 4 2 4 , 5 2 4 . 5 2 * . 5 2 4 . 4 2 4 . 4 2 4 . 4 2 4 , 4
2 4 . 4
2 4 . 5
2 4 . 4
2 4 , 4
. 1
.2
2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 , 2 2 4 . 2 2 4 . 2 2 4 ' . 2 2 4 . 2 2 4 . 2 2 4 . 2
2 4 . 1
2 4 . 2
2 4 . 2
2 4 , 2
, 1
. 2
2 4 . 2
2 4 . 2
2 4 . 2 2 4 . 2 2 4 . 3 2 4 . 4
2 4 . 4 2 4 . 4
2 4 . 4
2 4 . 3 2 4 , 3 2 4 , 3
2 4 . 2
2 4 , 4
2 4 . 3
2 4 . 3
. 2
. 3
2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 4 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 5 2 4 , 5 2 4 . 4
2 4 . 3
2 4 , 5
2 4 , 4
2 4 . 5
. 2
. 4
2 4 . 2 2 4 , 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 3 2 4 . 4 2 4 . 4 2 4 . 4 2 4 , 3 2 4 . 3 2 4 . 3
2 4 . 2
2 4 . 4
2 4 , 3
2 4 . 3
2 4 , 3 2 4 , 3 2 4 , 3 2 4 . 3 2 4 , 4 2 4 , 5 2 4 . 5 2 4 . 4 2 4 . 4 2 4 , 3 2 4 . 3 2 4 , 3
2 4 . 3
2 4 . 5
2 4 . 4
2 4 . 3
. 2
. 3
2 4 . 4 2 4 . 4 2 4 . 4 2 4 . 4 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 4 2 4 . 4
2 4 . 4
2 4 . 5
2 4 , 4
2 4 . 5
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
. 1
9 AUG 1 9 6 8 10 A U G 1 9 6 8 11 A U G 1968
2 0 - 4 0 C M . 4U_e>o C M . 6 0 - B o C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M , 6 0 - 8 0 C M .
T I M E
2 0 0 4 0 0 oOO rtOO 1 0 0 0 1 2 0 0 U 0 0 l a O O I n O Q 2 0 0 0 2 2 0 0 2 4 0 0
2 4 , 2 4 , 2 4 . 2 4 , 2 * . 2 4 , 2 4 , 2 4 , 2 4 , 2 4 , 2 4 , 2 4 ,
2 * , 3 2 * . 3 ? * . 3 2 - . 3 74 , 4
,5
, 5
.4 ,3 ,2 ,2
. c
? 4 34 •><+ 34 ? * 34 94
2 4 . 4 2 4 . 4 2 4 . 4 2 4 . 4 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 4 2 4 . 4 2 4 . 4 2 4 , 4
2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 . 2 2 4 . 1 2 4 , 1 2 4 . 1 2 4 , 1 2 4 , 0
2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 3 2 4 . 4 2 4 , 4 2 4 , 3 2 4 . 2 2 * t l 2 4 . l 2 4 . 1
2 4 , 4 2 4 . 3 2 4 . 3 2 4 , 3 2 4 , 4 2 4 . 5 2 4 , 5 2 4 , 5 2 4 . 4 2 4 . 4 2 4 . 4 2 4 . 4
2 4 . 0 2 4 . 0 2 4 , 0 2 4 . 0 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1
2 4 . 1 2 4 . 1 2 4 , 1 2 4 . 1 2 4 . 2 2 4 . 3 2 4 , 3 2 4 , 3 2 4 , 3 2 4 . 2 2 4 , 2 2 4 , 2
2 4 , 3 2 4 . 3 2 4 . 3 2 4 . 4 2 4 . 5 2 4 . 5 2 4 , 5 2 4 . 5 2 4 . 5 2 4 , 5 2 4 , 4 2 4 , 4
T I M E
2 0 0 400 600 800 1 0 0 0 1 2 0 0 1400 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M 2 4 . 2 7 » , 24 , 4 2 4 . 0 2 4 . 1 2 4 , 3 2 4 . 0 2 4 , 1 2 4 , 3
MmX I M U M
MEAN
("jCDlAN
R A N G E
r . s . o .
2 4 . 4
24 . 3
2 4 . 3
. 2
. 3
5
2 * . 3
? * . 3
. 3
. 4
2 4 , 5
2 4 . 4
2 4 . 4
,1
. 2
2 4 . 2
2 4 . 1
2 4 . 1
. 2
. 2
2 t . 4
2 4 . 2
2 4 . 2
, 3
. 4
2 4 , 5
2 4 . 4
2 4 , 4
. 2
. 3
2 4 . 1
2 4 . 1 2 4 . 1
.1
2 4 , 3
. 2 4 , 2
2 4 . 2
2 4 . 5
2 4 . 4
2 4 . 5
. 2
12 A U G 1 9 6 8 13 A U G 1968 14 A U G 1 9 6 8
2 0 - 4 0 C M , A 0 _ 6 0 C M . 6 0 - 6 0 C M , 2 0 - 4 0 C M . 4 0 - b 0 C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M , T I M E
2 0 0 4 0 0 6 0 0 800 1000 1200 1400 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 . 3 2 4 . 3 2 4 . 4 2 4 . 4 2 4 , 4 2 4 . 4 2 4 . 4
2 4 . 1
? 4 . 2 p 4 . 2 ? 4 . R ? 4 . 4 ? 4 , 4 2 4 . 4 a 4 , 3 2 < . 3 e 4 . 3 5 * . 3 , 4 . 2
2 4 , 4 2 4 , 3 2 4 , 3 2 4 , 3 2 4 , 4 2 4 . 5 2 4 , 5 2 4 , 5 2 4 , 5 2 4 , 4 2 4 . 4 2 4 , 4
2 4 , 3
2 4 , 3 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 1 2 4 . 0 2 4 , 0 2 4 . 0 2 3 . 9 2 3 . 9 2 3 . 9 2 3 . 9
2 4 . 3 2 4 . 2 2 4 . 2 2 4 . 3 2 4 . 1 2 4 . 0 2 4 . 0 2 4 , o 2 4 . Q 2-3,9 2 3 . 9 2 3 . 9
2 3 . *
2 4 . 4 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 1 2 4 . 0 2 4 , 0 2 4 . 0 2 4 , 0 2 3 . 9 2 3 . 9 2 3 . 9 2 3 , 9
2 3 . 9 2 3 . 9 2 3 . 9 2 3 . 9 2 3 . 9 2 3 , 9 2 3 . 9 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 , 0 2 3 . 9
2 3 . 9 23 . 9 2 3 . 9 2 3 , 9 2 4 . 0 2 4 . 0 2 4 . 0 2 4 , 0 2 4 . 0 2 4 , 0 2 4 . 0 2 4 . 0 2 3 . 9
2 3 . 9 2 3 . 9 2 3 . 9 2 3 . 9 2 4 . 0 2 4 . 0 2 4 . 1 2 4 , 1 2 4 . 1 2 4 , 0 2 4 . 0 2 4 , 0 2 3 . 9
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1000 1200 1400 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
M A X I M U M
MEAN
M E D I A N
R A N G E
R . S . D .
2 4 . 4
2 4 . 3
2 4 . 3
.3
. 5
2 4 , 4
?4 . 3 2 * . 3
. 3
2 4 , 5
2 4 . 4
2 4 , 4
. 2
. 3
2 4 . 3
2 4 . 1
2 4 , 1
. 4
2 4 . 3
2 4 . 1
2 4 . 0
2 4 . 4
2 4 . 1
2 4 . 0
. 5
. 7
2 4 . 0
2 3 , 9
2 3 , 9
.1
. 2
2 4 . 0
2 4 . 0
2 4 , 0
.1
- 2
2 4 . 1
2 4 . 0
2 4 . 0
. 2
1 5 4 U G 1 9 6 8 16 A U G 1968 1 7 A U G 1 9 6 8
2 0 - 4 0 C M . *0_6o C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M , 4 0 - 6 0 C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M . 4 0 - 6 0 C M , 6 0 - 8 0 C M ,
T I M E
2 0 0 4 0 0 6 0 0 800 1000 1200
1400
1600 i a o o ? 0 G 0 2 2 0 0 ? 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
R A N G E
R . S . D .
2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 , 0 2 4 , 1 2 4 . 1 2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 1
2 4 . 0
2 4 . 2
2 4 , 1
2 4 . 1
^ 4 . 0 24 . o ? 4 , o 2 ^ . 0 ?_ 4 . o * * . 2 2 4 . 2 ?_4.2 ? 4 . 1 2 * . l 2 4 . 0
. 4 . 0
, 4 . 2
2 4 . 1
. 2
. 3
. 2
. 3
2 4 . 0 2 4 . 0 2 4 , 0 2 4 , 0 2 4 . 0 2 4 . 1 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 1 2 4 , 1
2 4 . 0
2 4 , 2
2 4 , 1
2 4 , 1
.2
, 4
24
.1
2 4 . 1 2 4 . 1 2 4 . 1 ?-4.1 2 4 . 2 2 4 . 3 2 4 . 3
£ 4
. 2
2 4 , 2 H 4 . 2 24.2
2 4 . 1
2 4 . 3
2 4 . 2
24 . 2
. 2
. 3
2 4 . 0
e 4 , o
2 4 . 0
2 4
, o
2 4 . 12 4 , a 2 4 , 2
2 / *A 2 4 . 1 2 4 , 1 2 4 . 1
5 4 . i
2 4 .0
2 4 , 2
2 4 . 1
2 4 . 1
2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 1 2 4 . 2 2 4 , 2 2 4 , 1 2 4 , 1 2 4 . 1 2 4 . 1
2 4 . 0
2 4 , 2
2 4 , 1
2 4 . 1
. 2
. 3
2 4 . 2 2 4 . 2 2 4 . 2 2 4 , 2 2 4 . 2 2 4 . 2
24.3
2 4. 3 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2
2 4 . 2
24.3
2 4 . 2
2 4 . 2
. 1
2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 . 2 24 , 2 2 4 , 1 2 4 . 1 2 4 . 1 2 4 . 1
2 4 . 1
2 4 . 2
2 4 . 1
2 4 . 1
. 2
2 4 , 1
2 4 .1
2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 . 2 2 4 . 2 2 4 , 1 2 4 . 1 2 4 . 1 2 4 . 1
2 4 . 1
2 4 . 2
2 4 . 1
2 4 . 1
. 1
. 2
T I M E
I B 4U G 1 9 6 8 19 A U G 1 9 6 8 20 A U G 1 9 6 8
2 0 - 4 0 C M , 4 o _ 6 Q C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M , 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 Q - 8 0 C M , T I M E
2 0 0 4 0 0 6 0 0 800 1000 1200 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
2 4 . 2 2 4 . 1 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0
2« . l 2* . l
2* . l 2 ^ . 2
£ 4 . 2 24 . 2 24. 1 2 f - 0 2 4 . 0
2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 , 2 2 4 . 2 2 4 , 1 2 4 . 1 2 4 . 0 2 4 , 0
2 4 . 0 2 4 , 0 2 3 , 9 2 3 , 9 2 3 . 9 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 23., 9 2 3 . 9 2 3 . 9
2 4 , 0 2 ^ . 0 2 * . 0 2 4 , o
2 4
,0
2 4 . l 2 4 . 1 2 4 . 2 2 4 . i 2 4 . 0 2 3 . 9
23.
q2 4 . 0 2 4 , 0 2 4 . 0 2 4 , 0 2 4 . 0 2 4 , 1 2 4 . 2 2 4 , 2 2 4 , 2 2 4 . 1 2 4 . 0 2 4 . 0
2 3 . 9 2 3 . 9 2 3 , 8 2 3 , 8 2 4 . 1 2 4 . 2 2 4 . 3 2 4 , 4 2 4 . 4 2 4 , 3 2 4 . 3 2 4 . 3
2 3 . 9 2 3 . 9 2 3 . 9 2 4 . 0 2 4 . 2 2 4 . 4 2 4 . 4 2 4 , 3 . 2 4 . 3 2 4 . 3 2 4 . 3 2 4 , 3
2 4 . 0 2 4 , 0 2 4 . 0 2 4 . 2 2 4 . 5 2 4 , 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 , 5 2 4 . 5 2 4 , 4
T I M E 2 0 0 4 0 0 6 0 0 8 0 0 1000 1200 1 4 0 0 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
2 4 . 0
2 4 . 2
2 4 . 0
2 4 . 0
2 * . 0
2 * . 2
2 4 . 1
2* . l
2 4 . 0
2 4 . 2
2 4 . 1
2 4 . 1
2 3 . 9
2 4 . 0
2 3 . 9
2 4 . 0
2 3 , q
2 - * . 2
2 H , O
2 4 . 0
2 4 , 0
2 4 , 2
2 4 , 1
2 4 , 0
2 3 . 8
2 4 , 4
2 4 , 1
2 4 . 3
2 3 . 9
2 4 . 4
2 4 , 2
2 4 . 3
2 4 . 0
2 4 , 6
2 4 , 4 2 4 . 5
R A N G E .2 . 2 . 2 . 3 . 2 . 6 . 6
21 A U G 1 9 6 8 22 A U G 1 9 6 8 23 A U G 1 9 6 6
2 0 - 4 0 C M .
*o_&o
C M . 6 0 - 8 0 C M I 2 0 - 4 0 C M . 4 0 - 6 0 ( J M . 6 0 - 8 0 C M . 2 0 - 4 0 C M , 4 0 - 6 0 C M . 6 0- 8 0 C M . T I M E "2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
R A N G E
R . S . D .
2 4 . 3 2 4 . 2 2 4 . 2 2 4 . 2 2 4 , 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 , 3 2 4 . 3 2 4 . 2
2 4 . 2
2 4 , 3
2 4 . 3 2 4 . 3
. 1
. 2
2 * . 2
2
4. 2
2 * . 2
2 2
2 * . 3 ? 4 , 5 2 * . 4 2 * . 4 2 4 . 3 2 * . 2
24. 2
e4 , 5 £ 4 . 3
2 * . 3
. 3
. 4
2 4 . 4 2 4 . 4 2 4 . 4 2 4 , 4 2 4 . 5 2 4 , 5 2 4 . 6 2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 5 2 4 . 5
2 4 , f
2 4 , 6
2 4 . 5
2 4 . 5
. 2
. 2
2 4 . 2 2 4 . 2 2 4 , 2 2 4 . 2 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 2 2 4 . 2
2 4 . 2
2 4 . 3
2 4 . 2
2 4 . 3
.1
. 2
2 4 , 2 2 4 , 2 2 4 . 2 2 4 . 2 2 4 . 3 2 4 , 4 2 4 . 4 2 4 . 3 2 4 . 3 ? * . 2 2 * . 2 2 4 . 2
2 4 . 2
2 4 . 4
2 4 , 3 2 4 .2
2 4 . 4 2 4 , 4 2 4 . 4 2 4 , 4 2 4 . 4 2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 5 2 4 . 4 2 4 . 4 2 4 . 4
2 4 , 4
2 4 , 5
2 4 , 4 2 4 , 4
. 1
. 2
2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 1 2 4 . 1 2 4 , 2 2 4 , 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 1
2 4 , 1
2 4 . 2
2 4 . 2
2 4 . 2
. 1
. 2
2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 3 2 4 . 4 2 4 . 4 2 4 . 3 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2
2 4 . 2 2 4 . 4
2 4 . 2 2 4 . 2
. 2
. 3
2 4 . 4 2 4 , 4 2 4 . 3 2 4 . 4 2 4 , 5 2 4 , 5 2 4 . 4 2 4 . 4 2 4 , 4 2 4 . 4 2 4 , 4 2 4 . 4
2 4 . 3
2 4 . 5
2 4 , 4
2 4 . 4
. 2
. 2
TIME
2 4 A U G 1 9 6 8 2 5 A U G 1 9 6 8 2 6 A U G 1 9 6 8
2 0 - 4 0 C M , 4 U _ 6 Q C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M , 6 0 - 8 0 C M , 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M .
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
2 4 , 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 . 3 2 4 . 3 2 4 . 2 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1
2 * . 1
a * .
2 24 . 2 ? 4 . 2 24 . 2 ? 4 , 3 2 * . 3 2 ^ . 22« . l 2 4. 1
zf.i
24. 1
? 4 . 1
2 4 . 3 2 4 , 3 2 4 . 3 2 4 . 3 2 4 , 3 2 4 , 4 2 4 . 4 2 4 , 4 2 4 . 3 2 4 , 3 2 4 , 2 2 4 . 2
2 4 . 2
2 4 . 1 2 4 . 0 2 4 . 0 2 4 . 0 2 3 . 9 2 3 . 9 2 3 . 9 2 3 . 9 2 3 . 8 2 3 . 7 2 3 . 7 2 3 . 6
2 3 , 6
2 4 . 1 2 4 , 1 2 4 . 0 2 ^ . 0 2 4 . 0
2 4 . o
2 4 , 0 2 4 . 0
2 4. 0
2 3 . ^ 2 3 . 9 2 3 , 9
2 3 . 9
2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 1 2 4 , 1 2 4 . 2 2 4 , 2 2 4 . 2 2 4 . 2 2 4 , 1 2 4 , 1 2 4 . 1
2 4 . 1
2 3 . 6 2 3 . 6 2 3 . 5 2 3 . 6 2 3 . 6 2 3 . 5 2 3 . 5 2 3 . 5 2 3 . 5 2 3 . 5 2 3 . 4 2 3 , 4
2 3 . 4
2 3 . 9 2 3 . 8 2 3 . 8 2 3 . 8 2 3 . 8 2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 7 2 3 . 6 2 3 . 6
2 3 . 6
2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 1 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 0
2 4 . 0
T I M E
2 0 0 4 0 0 '. 6 0 0
8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M A X I M U M
M E A N
M E Q I A N
R A N G E
R . S . O .
2 4 . 3
2 4 . 1
2 4 . 1
. 2
. 3
? 4, 3
2 4 . 2
2 4. 2
, 2
. 3
2 4 . 4
2 4 . 3
2 4 . 3
. 2
, 3
2 4 . 1
2 3 . 9
2 3 . 9
. 5
. 6
2 4 . 1
2 4 . 0
2 4 . 0
. 2
. 3
2 4 . 2
2 4 . 1
2 4 . 2
. 1
. 2
2 3 . 6
2 3 . 5
2 3 . 5
. 2
. 3
2 3 . 9
2 3 . 7
2 3 . 7
2 4 . 2
2 4 , 1
2 4 . 1
. 2
27 f(i(j 1 9 6 8 28 A U S 1 9 6 8 29 A U G 1 9 6 8
2 0 - 4 0 C M . 4 0 - 6 Q C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M , 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M , 4 0 - 6 0 C M , 6 0 - 8 0 C M . T I M E
2 0 0 4 0 0 b O O 8 0 0 1 0 0 0 1 2 0 0 1*00 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
2 3 . 4 2 3 . 3 2 3 . 3 2 3 . 5 2 3 , 7 2 3 . 8 2 3 , 9 2 3 . 9 2 4 . 0 2 4 , 0 2 4 . 0 2 4 . 0
9 J . 5 5 3 , 5 2 3 . 7 2 3 . 9 ? 4 , 1 J » 4 , 2 ? 4. 2 ? * , 2 ? 4 , 1 ? 4. 1 ? 4. 1
2 4 , 0 2 4 , 0 2 4 . 0 2 ^ . 0 2 4 , 3 2 4 , 4 2 4 , 5 2 4 , 5 2 4 . 5 2 4 . 5 2 4 , 5 2 4 . 5
2 4 . 0 2 4 . 0 2 4 . 0 2 4 . 1 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3
2 * . l 2 4 . 1 2 4 , 1 2 4 . 1 2 4 . 3 2 4 . 4 2 4 , 4 2 4 . 4 24 , 4 2 4 , 3 2 4 , 3 2 * , 3
2 4 , 5 2 4 , 4 2 4 . 4 2 4 , 4 2 4 , 4 2 4 , 5 2 4 . 6 2 4 . 6 2 4 , 5 2 4 . 5 2 4 . 5 2 4 , 5
2 4 . 3 2 4 , 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 4 2 4 . 4 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 5
2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 4 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5
2 4 . 5 2 4 , 4 2 4 , 4 2 4 . 5 2 4 . 5 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 5 2 4 . 5
T I M E 2 0 0 4 0 0 6 0 0 8 0 0 1000 1200 1400 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M M A X I M U M
M E A N
M E D I A N
2 3 . 3
2 4 . 0
2 3 . 7
2 3 . 9
? 3 . 5
, 4 , 2
? 4 . 0 ? 4. 1
2 4 . 0
2 4 . 5
2 4 . 3
2 4 , 5
2 4 , 0
2 4 . 3
2 4 . 2
2 4 . 2
2 4 , 1
2 4 , 4
2 4 , 3
2 4 . 3
2 4 , 4
2 4 , 6
2 4 . 5
2 4 , 5
2 4 . 3
2 4 . 5
2 4 . 4
2 4 . 4
2 4 . 3
2 4 . 5
2 4 . 4
2 4 . 5
2 4 . 4
2 4 . 6
2 4 . 5
2 4 , 5
R A N G E . 7 . 7
.5
. 3 . 2 . 2 . 2 . 23 0 A U G 1 9 6 8 3 1 A U G 1 9 6 8 1 S E P 1 9 6 8
2 0 - 4 0 C M , 4 o _ b Q C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M , 6 6 - 8 0 C M , i I ME
2 0 0 4 0 0 6 0 0 a o o
1 0 0 0
u o o
1400
1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
AN
M E D I A N
R A N G E
R . S . D ,
2 4 . 5 2 4 . 5 2 4 . 4 2 4 . 4 2 4 . 5 2 4 . 5 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 5 2 4 . 5 2 4 . 5
2 4 . 4
2 4 . 6
2 4 . 5
2 4 . 5
. 2
. 3
2 * . 5 2 * . 5
E4 , 5
2 * . 5 ?4
. 6
24 . 6 £ 4 . 6 2 * . 5
2 * . 5
2 4 . 5
?*+,5
? * , 5
2 * * 5
.1
. 2
2 4 , 5 2 4 . 5 2 4 , 5 2 4 , 5 2 4 , 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 6 2 * , S 2 4 . 5 2 4 . 5
2 4 . 5
2 4 . 7
2 4 . 6
2 4 , 5
. 2
. 3
2 4 . 5 2 4 , 5 2 4 . 4 2 4 , 4 2 4 . 4 2 4 . 4 2 4 . 4 ' 2 4 , 4 2 4 . 4 2 4 . 4 2 4 . 4 2 4 , 4
2 4 , 4
2 4 . 5
2 4 , 4
2 4 . 4
2 4 . 5 2 4 , 5 2 4 . 5
2 4. 4
2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 6
2 4. 5
2 4. 3
2 4 . 5
2 4, 4
2 4 . 6
2 4 , 5
2 4 . 5
.1
. 2
2 4 . 5 2 4 , 5 2 4 , 5 2 4 . 5 2 4 , 5 2 4 , 5 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6
2 4 . 5
2 4 , 6
2 4 . 5
2 4 . 6
.1
• £
2 4 , 4 2 4 . 4 2 4 . 3 2 4 . 4 2 4 . 4 2 4 . 5 2 4 . 5 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5
2 4 , 3
2 4 . 5
2 4 . 4
2 4 . 5
. 2
. 3
2 4 . 5 2 4 , 5 2 4 , 5 2 4 , 5 2 4 , 5 2 4 . 5 2 4 , 6 2 4 . 6 2 4 , 5 2 4 , 5 2 4 , 5 2 4 , 5
2 4 , 5
2 4 , 6
2 4 . 5
2 4 , 5
.1
. 2
2 4 . 5 2 4 . 5 2 4 , 5 2 4 , 5 2 4 , 6 2 4 , 6 2 4 , 7 2 4 , 7 2 4 , 6 2 4 , 6 2 4 . 6 2 4 , 6
2 4 , 5 2 4 , 7
2 4 , 6
2 4 . 6
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1000 1200 140 0 1600 1800 2 0 0 0 2 2 0 0 2 4 0 0
• 2
2 $ E p 1 9 6 8 3 S E P 1 9 6 8 4 S E P 1 9 6 B
2 0 - 4 0 C M . 4 O _ 6 Q C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M , 6 0 - 8 0 C M .
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
R A N G E
n . S . D .
2 4 , 5 2 4 . 4 2 4 , 3 2 4 , 2 2 4 , 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 1 2 4 . 0 2 4 . 0 2 4 . 0
2 4 . 0
2 4 . 5
2 4 . 2
2 4 . 1
. 5
. 6
? 4 . 5 2 * . 4 ? 4 . 3 2 * . 3
? 4 , 3 ? 4 , 4 ? 4 . 4 2 4 . 4
?4 . 3
2 « , 2 ? * , 2 2 ^ . 2
2 * . 2 ? 4 . 5
24 . 3
. 3
. 4
2 4 , 6 2 4 . 5 2 4 . 5 2 4 , 5 2 4 , 5 2 4 , 5 2 4 . 5 2 4 . 6 2 4 , 6 2 4 , 5 2 4 . 5 2 4 . 4
2 4 . 4
2 4 , 6
2 4 . 5
2 4 , 5
. 2
. 2
2 4 , 0 2 4 . 0 2 4 . 0 2 4 . 1 2 4 . 4 2 4 . 6 2 4 . 6
2 < t . 6
2 4 . 6 2 4 , 6 2 4 , 6 2 4 . 6
2 4. 0
2 4 , 6
2 4 , 4
2 4 , 6
. 6
1 . 1
2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 3 2 4 , 3 2 4 , 3 2 4 . 3 2 4 , 3 2 4 . 3 2 4 . 3
2 4 . 2
2 4 , 3
2 4 . 3
24
.3
. 1. 2
2 4 . 4 2 4 . 4 2 4 , 5 2 4 . 5 2 4 . 6 2 4 . 6 2 4 . 7 2 4 . 6 2 4 , 6 2 4 , 5 2 4 . 5 2 4 , 5
2 4 . 4
2 4 . 7
2 4 , 5
2 4 , 5
, 3
. 3
2 4 . 6 2 4 . 6 2 4 . 6 2 4 , 6 2 4 , 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7
2 4 . 6
2 4 . 7
24
.7
2 4 . 7
. 1
2 4 , 3 2 4 . 2 2 4 . 2 2 4 . 2 2 4 . 3 2 4 , 4 2 4 . 4 2 4 . 4 2 4 , 4 2 4 . 4 2 4 , 4 2 4 . 4
2 4 . 2
2 4 . 4
2 4 . 3
2 4 . 4
24
.5
2 4 . 5 2 4 . 5 2 4 . 5 2 4 , b 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 5 2 4 , 5 2 4 . 5
2 4 . 5
2 4 , 6
2 4 . 5
2 4 , 5
.1
. 2
T I M E
5 $ E p 1 9 6 8 6 S t P 1 9 6 8 7 S E P 1 9 6 8
2 0 - 4 0 C M . * t ) _ 6 o C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 Q - 8 0 C M , T I M E
2 0 0 2 4 . 7 4 0 0 2 4 . 7 6 0 0 2 4 . 7 e o o 2 4 . 7 1 0 0 0 2 4 . 7 1 2 0 0 2 4 , 8 1* 00 2 4 , 9 1 6 0 0 2 4 . 9 1800 2 4 . 9 2 0 0 0 2 4 , 9 2 2 0 0 2 4 . 9 2 4 0 0 2 4 . 8
M I N I M U M
M A X I M U M
M E A N
M E D I A N
R A N G E
R . 5 . D .
2 4 . 7
2 4 . 9
2 4 . 8
2 4 . 8
. 2
? 4 . 4 ? 4 . 4 2 ^ . 4 2 4 . 5 2 * . 5 2 ^ . 5
24. 5 2 * . 5 2 ^ . 5
? 4 , 4
? 4 . 5
? 4 . 5
2 4 . 5
.1
. 2
2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 5 2 4 . 6 2 4 . 6 2 4 , 6 2 4 . 6 2 4 , 6 2 4 . 5 2 4 , 5 2 4 , 5
2 4 , 5
2 4 , 6
2 4 , 5
2 4 , 5
. 1
. 2
2 4 . 6 2 4 . 8 2 4 . 8 2 4 . 8 2 4 . 8 2 4 . 8 2 4 . 9 2 4 . 9 2 4 . 8 2 4 . 8 2 4 , 8 2 4 . 7
2 4 . 7
2 4 , 9
2 4 . 8
2 4 . 6
. 2
. 2
2 4 , 5 2 4 , 5 2 4 . 5
2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 6 2 4 , 5 2 4 „ s 2 4 , 5 2 4 . 5
2 4 . 5
2 4 . 6
2 4 . 5
24
,5
2 4 , 5 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 6 2 4 . 6 2 4 , 6 2 4 . 5 2 4 , 5 2 4 . 5 2 4 . 5
2 4 , 5
2 4 . 6
2 4 , 5
2 4 . 5
,1
. 2
2 4 . 7 2 4 , 6 2 4 . 6 2 4 . 6 2 4 . 7 2 4 , 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 6 2 4 , 6 2 4 , 6
2 4 , 6
2 4 . 7
2 4 . 6
2 4 . 7
.1
2 4 . 5 2 4 , 5 2 4 . 6 2 4 . 6 2 4 . 5 2 4 , 5 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 6
2 4 . 5
2 4 . 6
2 4 . 5
2 4 . 5
.1
. 2
2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 6 2 4 . 6 2 4 , 6 2 4 , 6 2 4 , 6 2 4 , 6 2 4 , 6 2 4 . 6
2 4 . 5
2 4 . 6
2 4 . 6
2 4 . 6
.1
. 2 .
T I M E
a «;Ep 1 9 6 8 9 S E P 1 9 6 8 10 S E P 1 9 6 8
2 0 - 4 0 C M . * o _ 6 o C M . 6 0 - 8 0 CM. 2 0 - 4 0 C M , 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M , 4 0 - 6 0 C M , 6 0 - 8 0 C M . T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
2 4 . 6 2 4 . 6 2 4 . 6 2 4 , 6 2 4 . 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 , 7 2 4 . 7 2 4 . 7
? 4 , 6 2 4 , 6 2 4 , 6 2 4 . 6 s 4 , 5 2 4 . 5 2 4 . 5 24 . 5 2 4 . 5 2 * » . 5 2 4 . 5 2 4 . 5
2 4 . 6 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 , 6 2 4 . 6 2 4 . 6
2 4 , 7 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 7 2 4 . 8 2 4 , 9 2 4 . 9 2 4 . 8 2 4 . 8 2 4 . 8 2 4 . 8
2 4 . 4 2 4 . 4 2 4 , 4 2 4 . 5 2 * . 5 2 4 . 5 2 4 , 6 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5
2 4 . 6 2 4 , 5 2 4 , 5 2 4 . 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 , 7 2 4 , 6 2 4 , 6 2 4 , 6 2 4 , 6
2 4 , 8 2 4 , 7 2 4 . 7 2 4 , 7 2 4 , 9 2 5 , 0 2 5 , 0 2 5 , 0 2 5 , 0 2 b , 0 2 5 . 0
2 4 , 4 2 4 . 4 2 4 , 4 2 4 . 4 2 4 . 6 2 4 . 6 2 4 , 6 2 4 . 6 2 4 , 6 2 4 , 6 2 4 , 5
2 4 . 6 2 4 . 6 2 4 . 6 2 4 , 6 2 4 . 8 2 4 , 8 2 4 . 8 2 4 , 8 2 4 , 7 2 4 , 7 2 4 , 6
T I M E 2 0 0 4 0 0 6 0 0 8 0 0 1000 1200 1400 1600 1600 2 0 0 0 2200 2 4 0 0
M I N I M U M 2 4 , 6 2 4 . 5 . 2 4 , 5 2 4 , 6 2 4 . 4 2 4 , 5 2 4 . 7 2 4 . 4 2 4 , 6
M A X I M U M
MEAN M E D I A N
2 4 , 7 2 4 . 7
2 4 . 7
2 4 . 6
2 4 , 5
? 4 . 5
2 4 . 7 2 4 . 6
2 4 . 6
2 4 . 9
2 4 . 7
2 4 . 6
2 4 . 6
2 4 . 5 2 4 . 5
2 4 . 7
2 4 , 6
2 4 . 6
2 5 , 0
2 4 . 9
2 5 . 0
2 4 , 6
24.5
2 4 . 6
2 4 . 8
2 4 . 7
2 4 . 7
1 1 Q E P 1 9 6 6 1 2 S E P 1 9 6 8 1 3 S E P 1 9 6 8
2 0 - 4 0 C M , H 0 - 6 Q C M , 6 0 - 8 0 C M . 2 0 - 4 0 C M , 4 0 - 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M , 4 0 - 6 0 C M . 6 0 - 8 0 C M , T I M E
2 0 0 4 0 0 6 0 0 80 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
R A N G E
R . S . D .
2 5 . 0 2 5 . 0 2 5 . 0 2 4 , 9 2 5 . 0 2 5 . 1 2 5 . 1 2 5 , 2 2 5 . 2 2 5 . 1 2 5 . 1 2 5 . 1
2 ^ . 9
2 5 . 2
2 5 . 1
2 5 . 1
. 3
2 4 . 5 ? 4 , 5 2 4 . 5 2 4 , 6 2 4 , 6 2 4 . 7 2 4 , 8 2 4 . 6 2 4 . 7 2 4 . 6 ? 4 , 6 2 4 . 6
2 4 . 5
2 * . 8
2 4 . 6
2 4 . 6
. 3
. 4
2 4 , 6 2 4 . 6 2 4 . 6 2 4 , 7 2 4 . 8 2 4 , 9 2 4 . 9 2 4 . 9 2 4 , 9 2 4 , 8 2 4 , 8 2 4 . 7
2 4 , 6
2 4 , 9
2 4 , 8
2 4 , 8
. 3
2 5 . 1 2 5 . 1 2 5 . 0 2 5 . 0 2 5 . 1 2 5 . 1 2 5 . 1 2 5 . 1 2 5 . 1 2 5 , 1 2 5 , 1 2 5 . 1
2 5 . 0
2 5 . 1
2 5 . 1
2 5 . 1
. 1
2 4, 6 2 4. 6
2 4. 6
2 4, 7 2 4 , 8 2 4 , e 2 . 4 . 7 2 4, 7
2 4. 7 2 4. 7 2 4. 6
2 4. 6
2 4 . 6
2 4 . 8
2 4 . 7
2 4 . 7
. 2
2 4 , 7 2 4 , 7 2 4 , 7 2 4 . 7 2 4 , 7 2 4 . 8 2 4 , 9 2 4 , 9 2 4 , 8 2 4 . 6 . 2 4 . 7 2 4 , 7
2 4 . 7
2 4 , 9
2 4 , 8
2 4 . 7
. 5 . 3
.2
. 3
2 5 . 1 2 5 . 1 2 5 . 0 2 5 . 0 2 5 . 1 2 5 . 1 2 5 . 2 2 5 . 2 2 5 . 2 2 5 . 2 2 5 , 2 2 5 , 2
2 5 , 0
2 5 . 2
2 5 . 1
2 5 . 2
. 2
2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 7 2 4 , 8 2 4 . 9 2 4 . 9 2 4 . 8 2 4 . 8 2 4 . 8 2 4 , 6
2 4 , 6
2 4 , 9
2 4 . 7
2 4 . 8
. 3
. 5
2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 , 8 2 4 . 9 2 4 . 9 2 4 , 9 2 4 . 9 2 4 , 8 2 4 , 8 2 4 . 7
2 4 , 7
2 4 , 9
2 4 . 8
2 4 . 8
. 2
T I M E
2 0 0 4 0 0 6 0 0
. B O O
1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
1 * * E p 1 9 6 8 1 5 S E P 1 9 6 8 1 6 S E P 1 9 6 8
2 0 - 4 0 C M . 4 0 . 6 0 C M . 6 0 - 8 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M , 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M ,
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
M E A N
M E D I A N
R A N G E
2 5 . 2 2 5 . 2 2 5 . 2 2 5 . 1 2 5 . 2 2 5 . 2 2 5 . 1 2 5 . 1 2 5 . 1 2 5 . . 1 2 5 . 0 2 5 . 0
2 5 . 0
2 5 . 2
2 5 . 1
2 5 , 1
. 2
? 4 , a
2 * . 8 2 * . 8 2 4 . 9 2 * . 8 2 * . 7 2 * . 7
2 4 . 6 2 4 . 6 2 * . 6
< ? 4 , 6
?4 . 9
?4 . 8
. 3
2 4 . 7 2 4 . 7 2 4 . 7 2 4 , 7 2 4 . 7 2 4 . 7 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6
2 4 , 6
2 4 , 7
2 4 , 6
2 4 , 7
. 1
2 5 . 0 £ 4 , 9 2 4 . 9 2 4 . 9 2 4 . 8 2 4 . 8 2 4 . 8 2 4 , 8 2 4 , 8 2 4 , 8 2 4 , 7 2 4 . 7
2 4 . 7
2 5 . 0
2 4 . 8
2 4 . 8
. 3
2 4 , 6 2 4 . 6 2 4 . 6 2 4 , 6 2 4 , 5
2 4, 5
2 4. 5
2 4 . 5
2 4. 5
2 4 . 5
2 4, 5
2 4, 5
2 4. 5
2 4 . 6
2 4. 5
2 4 . 5
2 4 , 6 2 4 . 6 2 4 , 6 2 4 , 6 2 4 . 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 , 7 2 4 , 6 2 4 , 6
2 4 , 6
2 4 , 7
2 4 , 6
2 4 , 6
. 1
2 4 . 6 2 4 , 6 2 4 . 6 2 4 . 6 2 4 , 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 6 2 4 . 6 2 4 . 6
2 4 , 6
2 4 . 7
2 4 . 6
2 4 . 6
. 1
2 4 . 5 2 4 , 4 2 4 . 4 2 4 . 4 2 4 , 5 2 4 , 5 2 4 , 4 2 4 , 4 2 4 , 4 2 4 , 3 2 4 . 3 2 4 , 3
2 4 , 3
2 4 . 5
2 4 , 4
2 4 . 4
2 4 , 7 2 4 . 6 2 4 . 6 2 4 , 6 2 4 . 6 2 4 . 7 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 , 6 2 4 , 6
2 4 , 6
2 4 , 7
2 4 . 6
2 4 , 6
, 1
T I M E
17 5E p 1 9 6 8 18 S E P 1 9 6 8 19 S E P 1 9 6 8
2 0 - 4 0 C M , 4 0 . 6 Q C M , 6 0 - 6 0 C M . 2 0 - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 CM. Z O - 4 0 C M . 4 0 - 6 0 C M . 6 0 - 8 0 C M . T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 6 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5
2 4 . 5
? 4 . 3 ? 4 . 3 ? 4 . 3 24 . 5 ? 4 . 5 ? 4 . 5 ? 4 , 4 ? * . 3 ? 4 . 3 ? 4 , 3
? * . 3
2 4 . 6 2 4 , 6 2 4 . 6 2 4 , 6 2 4 . 7 2 4 , 7 2 4 , 7 2 4 , 7 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6
2 4 . 5 2 4 . 5 2 4 . 4 2 4 . 4 2 4 , 4 2 4 , 5 2 4 . 5 2 4.'5 2 4 . 6 2 4 . 5 2 4 . 5 2 4 . 5
2 4 . 4
2 4 . 3 2 4 . 3 2 4 . 3 2 4 , 3 2 4 . 4 2 4 . 5 2 4 . 5 2 4 . 4 2 4 . 4 2 4 , 3 2 4 , 3 2 4 . 3
2 4 . 3
2 4 , 6 2 4 . 6 2 4 , 6 2 4 . 6 2 4 , 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 , 6 2 4 . 5 2 4 , 5 2 4 , 5
2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 6 2 4 , 6 2 4 . 7 2 4 . 6 2 4 . 6 2 4 . 6
2 4 . 5
2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 . 3 2 4 , 4 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 4 2 4 . 4 2 4 . 4
2 4 . 3
2 4 . 5 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 6 2 4 , 6 2 4 . 5
2 4 . 5
T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1400 1 6 0 0 1800 2 0 0 0 2 2 0 0 2 4 0 0
M A X I M U M 2 4 , 6
M E A N 2 4 . 5
M E D I A N 2 4 . 5
R A N G E
R . S . D .
.1
. 1
2 4 . 5
£ 4 . 4
a
4
. 3
.?
, 4
2 4 , 7
2 4 . 6
2 4 . 6
.1 . 2
2 4 , 6
2 4 , 5
2 4 . 5
. 2
. 2
24
.5
2 4 . 4
2 4 . 3
2 4 . 7
2 4 , 6
2 4 . 6
. 2
. 3
2 4 . 7
2 4 . 6
2 4 . 6
. 2
. 3
2 4 . 5
2 4 . 4
2 4 . 4
. 2
. 3
2 4 . 7
2 4 . 6
2 4 . 6
T I M t T I M E
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1 4 0 0 1 6 0 0 1 8 0 0 2 0 0 0 2 2 0 0 2 4 0 0
M I N I M U M
M A X I M U M
MEAN
M E O I A N
R A N G E
R . S . O .
2 4 . 6 2 f . 6 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 6 2 4 . 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7
2 4 . 5
2 4 , 7
2 4 , 6
2 4 . 6
, 2
. 3
? 4 . 4 ? 4 . 3 2 * . 3 2 * . 3 24
. 4 R > . 5 2 » , 5 2 4 . 6 2 4 , 5 2 4 . 5 2 ^ , 5 2 ^ . 5
2 * . 3 2 4 . 6
2 4 . 4
£ 4 . 5
2 4 . 5 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 , 6 2 4 . 7 2 4 . 7 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 5
2 4 . 5
2 4 . 7
2 4 . 6
2 4 , 6
. 2
2 4 . 7 2 4 . 7 2 4 . 7
dU.b
2 4 . 6 2 4 . 6 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 2 4 . 7 24 . 7
2 4 . 6
2 4 . 7
2 4 . 7
2 4 . 7
2 4 , 5 2 4 \ 4 2 4 . 4 2 4 . 4 2 4 . 4 2 4 . 5 2 4 , 6 2 4 , 6 * 4 . 5 2 4 , 5 2 4 . 5 ? f . 5
2 * . 4
2 4 , 6
2 4 . 5
2 4 , 5
. 4
. 1
. 2
2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 5 2 4 . t o 2 4 . 7 2 4 , 7 2 4 . 7 2 4 . 7 2 4 . 6 2 4 . 6 2 4 . 5
2 4 . 5
2 4 . 7
2 4 . 6
2 4 , 6
. 2
. 4
2 4 . 7 2 4 . 7 2 4 . 7 2 4 , 6 2 4 . 7 2 4 . 8 2 4 . 8 2 4 . 8 2 4 , 8 2 4 . 8 2 4 . 7 2 4 , 7 2 4 , 6
2 4 . 8
2 4 . 7
2 4 . 7
, 2
. 3
2 4 . 5 2 4 . 5 2 4 . 5 2 4 . 4 2 4 . 5 2 4 . 6 2 4 . 6 2 4 . 6 2 4 . 6 2 4 , u 2 4 . 5 2 4 . 4 2 4 . 4
2 4 . 6
2 4 . 5
2 4 . 5
. 2
2 4 , 5 2 4 , 5 2 4 . 5 2 4 . 5 2 4 . 6 2 4 . 7 2 4 . 7 2 4 , 7 2 4 , 7 2 4 , 6 2 4 . 6 2 4 . 5 2 4 . 5
2 4 , 7
2 4 . 6 2 4 , 6
. 2
. 4
2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 1400 1600 1800
it, 00 2 2 0 0 2 4 0 0 20 r ; E p 1 9 6 8 21 S E P 1 9 6 8 2 2 S E P 1 9 6 8
