( VII ) 
Weight of Vapour ia 
a Cubic Foot of Air. 
Dlff. from 
average of 
40 years. 
a b b b 
fe , 1 
o 
1 
^. o 
to o o o 
1 1 
b 
1 
i 
- oo rv\ 
s • • • 
ta M fs ri 
r< 
^ vO •<}• O 
: Force 
Dlff. from 
average of 
40 years. 
ON (S 
o o 
p O O O 
b b o 
1 1 + 
oo 
M 
o 
b 
1 
r< O 
a o o o 
"bob 
1 1 1 
1^ 
O 
b 
1 
OB 
e 
1 
P a> i-« 
.S M M (N 
• • • 
o o o 
o 
t ^ 
o 
o o o 
• CJN 
.S M 
o o o 
b 
O 
3 
"S 
t~i 
<U 
a 
,^ 
Water 
of the 
Thames. 
o : : ; 
oil'. 
Air— Daily Range. 
Diff. from 
average of 
40 years. 
CO « O 
o . • • 
0 " 
1 1 + 
o 
1 
° b ^ b 
1 + 1 
b 
+ 
d 
V 
00 O 
o * • " 
OO i-TN 
M 
" OO N O 
11 D M 
b 
a 
"o 
OL, 
Q 
1 
j Diff. from 
average of 
40 years. 
On OO »^ 
° o b b 
1 1 + 
T 
O ^ -H 
o • • • 
MOM 
1 1 1 
7 
d 
OS 
O ^ O 
ri ^ 
o 
0^ t'^ 
° ^ 
^ ^ 
M 
d 
o 
2 
O 
sx 
<a 
> 
1 Diff. from 
average of 
40 years. 
o 
° vl3 b 
1 1 + 
1 
oo 
o • • . 
MOO 
1 + 1 
b 
1 
a 
a 
a 
sC ON 
o o O ON 
r<\ 
O 
r» -rt- ON 
^ ':^ 
oo 
Diff. from 
average of 
1 40 years. 
OO OO ON 
° sr> M b 
1 1 + 
nD 
1 
° M M b 
1 + 1 
O 
b 
1 
Diff. from 
average of 
110 years. 
tJN ON K/\ 
O . • • 
O w 
1 1 + 
M 
1 
O • ■ . 
0 M o 
1 + + 
o 
b 
+ 
ON 
a 
OS 
a 
o . . . 
fV> fs-v ••4- 
r*^ 
O M 
^ <r\ rt OD 
^ ^ <r\ 
1881. 
Z 
o 
Jaiiuary . . 
February .. 
March 
m 
0 
c3 
o 
April .. 
May .. .. 
June .. 
n 
g 
