( VII ) 
Weight of Vapour 
In a Cubic Foot of 
Air. 
Diff. from 
average of 
39 years. 
o o o 
& + -l. + 
b 
+ 
13 b b b 
to 
1 1 + 
b 
1 
1 
^ ^ 
o 
r* oo 
0^ 
r< 
Elastic Force 
of Vapour. 
Diff. from 
average of 
39 years. 
-4- C» (S 
a ? ° ? 
bob 
+ + + 
o 
o 
+ 
>-< rs 
0 O O 
■2 b b o 
1 1 4- 
o 
o 
b 
1 
d 
S 
H O 
rj- i-^ m 
o* ^ ^ 
o o b 
ON 
b 
^ O tr^ 
CO ^ 
o b b 
VA 
b 
Temperature of 
Water 
of the 
Tliames. 
o ^ • * 
o ; ; ■ 
aj 
be 
a 
& 
>f 
*3 
O 
I 
Diff. from 
average of 
39 years. 
C^ r-^ C> 
o . - - 
M (N O 
1 1 1 
oo 
T 
fcA "=1" 
0 M b b 
1 + + 
b 
1 
a 
a 
O 'c^ 'r^ 
1-1 >-) HI 
M O OO 
M M 
.9 
o 
P 
Diff. from 
average of 
39 years. 
vO OO 00 
o . . . 
+ + + 
1 1 + 
M 
O 
1 
§■ 
"~n CO 
° ^ V 
CTt 
O 
M OO 
o - • ■ 
OO o 
iN-\ 
b 
a 
o 
'■S 
•a 
o 
o. 
> 
Diff. from 
average of 
39 years. 
o . - - 
0 n 
+ + + 
+ 
o ' • • 
O 
1 1 + 
b 
1 
d 
ca 
a» 
O M 
O • • • 
GO O 
CO 
ON 
° '-4- b M 
^ T^ 
■-5 
Diff. from 
average of 
39 years. 
rj- rn o 
o . . . 
0 M ri 
1 + + 
+ 
O O M 
1 1 + 
b 
i 
Diff. from 
average of 
109 years. 
° b " 
+ + + 
M _ rv, b 
+ 1 1 + + 
1 
b 
+ 
d 
° M o 
O O »-r\ 
^ -4- ^ 
o 
1880. 
Months. 
July .. •• 
August . • 
September 
October .. 
November .. 
jjecciiiucr . • 
i 
