( VII 
) 
Weight of Vapour In 
a Cubic Foot of Air. 
imi. irom 
average of 
37 years. 
g b b b 
o 
b 
£ • . . 
. a o o o 
+ + + 
b 
+ 
(3 
« 
. T)- 
& rt M D 
^ O GO <N-» 
^ rv^ ^ 
<^ 
1 
a 
Dlff. from 
average of 
37 years. 
O oo 
IH fS M 
a p o 0 
b b b 
+ + 1 
o 
o 
b 
+ 
M ^A H 
5 ? P ? 
" o o o 
+ + + 
M 
fS 
O 
b 
+ 
Elastic 
of Va 
1 
(S 00 
— n r< M 
O 0 O 
• VO 00 
is r* fA r.^ 
O O O 
oo 
Q 
Temperature of 
II i 
r.^ 
O ■« M i 
<a- •>*• -"i- 
r< 
o 
° oo o> O 
sO 
vO 
>> 
i 
Diff. from 
average of 
37 years. 
O O M 
o . . • 
0 w -1 
1 1 1 
1 
0 r- o 
° '» U o 
1 1 1 
1 
i 
o • • • 
cys <7* iv\ 
oo 
b 
O oo v£) 
® r.* O 
eo 
_g 
"3 
Q 
Dlff. from 
average of 
37 years. 
GO u^ O 
° b ••A r< 
+ + 1 
CO 
b 
+ 
O M 
o • . • 
+ + + 
M 
+ 
§ 
;^ 
O »J^ 'A 
° o ci) rl- 
^ 1^ 
rA 
a 
o 
o 
& 
OS 
> 
Dlff. from 
average of 
37 years. 
r< CO 
° I, 'r, b 
+ + 1 
M 
+ 
o • • - 
M fS M 
+ + + 
M 
+ 
a 
§ 
tJ- vn 
O tX3 CO 
r* \o OO 
o * • • 
2\ 
ii 
Diff. from 
average of 
37 years. 
r. 0» ^ 
° M b 
+ + + 
H 
+ 
M O 
o • • • 
W (S H 
+ + + 
M 
+ 
Diff.from 
average of 
107 years. 
^ 
+ + + 
OO 
+ 
c • • • 
n r» n 
+ + + 
+ 
i 
s 
^ n o 
o . . . 
O r< M 
-S- ^ 
w 
® oo O 
^ tr\ vo 
VO 
v^ 
1878. 
January .. 
February .. 
March 
§ 
<! S 
a 
