( III ) 
CO 
CO 
a 3 
It 
bio O 
G) -sj- ^f- 
n O " 
e o o o 
^-V£5 CO 
°Vo O 
+ + ' 
O (jj I 
o 5 = 
So j 
O V 
19 
»-ri 
1 0 O m 
i + ■ 
a o » 
P ® i; 
i: gig 
Ka S ^ 
+ ' 
CO 
oo £ 
km 
vr» vj-\ >j-\ 
^ "< cfl 
go 
+ 
Tempera- 
ture of 
Water 
of the 
Thames. 
O O O 
a 
1 
Diff. from 
average 
of*47 years. 

CO O CO 
a m O O 
- . 1 + 
vO 
5 1 
Amount. 
a . • * 
Q !_, IV, 
s ^ 
CO w-t 
Weight of 
a Cubic Foot of Air. 
Diff. from 
average of 
22 years. 
E+ > + 
M 
+ 
Mean. 
Reading 
of Barometer. 
Diff. from 
average of 
22 years. 
r-. r-. c» 
C H O H 
"bob 
+ i ■ 
O 
o 
b 
i 
Mean. 
c ■ • 
O CT 1 
rt n n 
fs 
Degree 
of Humidity. 
Diff. from 
average of 
22 years. 
l 
tJ- m rj- 
1 1 1 
■* 
j 1 
Mean. 
r~- 
1863. 
Months. 
July .. .. 
August 
September . . 
0 
cJ 
o> 
