( VI 
) 
Weight of Vapour 
in a 
Cubic Foot of Air. 
DItf. from 
average of 
28 years. 
^ ri M 
2 o b o 
+ 1 + 
b 
+ 
»A, M rA 
fe o ° o 
1 1 1 
b 
1 
a 
s 
Cfl 
^ (N 1 - 
Elastic Force 
of Vapour. 
Diff. from 
average of 
28 years. 
O O M 
r< o 
=" ? ? ? 
o b o 
+ 1 + 
Tt- 
o 
o 
b 
+ 
O CT^ O 
s ? ? P 
""boo 
1 1 1 
M% 
r» 
O 
b 
1 
i 
C CO OO 
.!3 tJ- rA m 
bob 
OO 
o 
b 
O w ^ 
• C> O 
.S ri r< tH 
b b b 
b 
Temperature of j 
Water 
of the 
Thames. 
U^ rA 
^ ^ CO 
■O sD *A 
t - 
V£> 
COD 
® OO 
o 
Air— Daily Range, j 
Diff. from 
average of 
28 years. 
ki-, rA f-A 
O '-' O r< 
+ + 1 
b 
1 
OO O O 
o b b ^ 
+ 1 
b 
1 
i 
41 
O M Cs O 
N t-i M 
u^ 
b^ 
M 
o 
° M CO 
.S 
"o 
0. 
& 
O 
Diff. from 
average of 
28 years. 
sjo r-^ tJ- 
O 1^ ^ o 
+ 1 + 
b 
+ 
o " " '■^ 
1 1 1 
r) 
1 
i 
KA ^ VA 
rA 
^A 
CO ^ 
^ rA rA 
00 
OO 
a 
o 
"3 
o 
o. 
> 
Diff. from 
average of 
28 years. 
rv^ O 
D W M 
° + 1 + 
r-. 
o 
-f 
ON OO 
° T ? T 
M 
1 
5- 
a 
ej 
C7\ M 
kA »-A *-A 
o 
° \o b o 
-<t- 
Diff. from 
average of 
28 years. 
^A 
r* O w 
-r 1 + 
^A 
H 
.1 
«^ C7N 
O M b M 
1 1 1 
1 1 1 
1 
1 
Diff. from 
average of 
98 years. 
M M VA 
0 rA O r< 
+ + + 
M 
+ 
OO vO 
o b b w 
1 + 1 
VA 
b 
1 
c 
OS 
o 
Kr\ CO O 
O - • . 
O O 
O VA 
•4- 
M 
CT» O 
° <i> ^ 'r- 
tJ- m 
CA 
f-A 
1869. 
Months. 
July .. .. 
August 
September . . 
p 
CS 
Oi 
October .. 
November 
December . . 
a 
a 
