( IX ) 
Reading of Thermometer on Qrass. 
Highest 
Reading 
at 
Night. 
coo 
° OO ^ V 
u^ k/^ 
Highest 
58'o 
C> CT^ O 
° V « 
^ fv> 
"§ ON 
"W) •-» 
S 
Reading 
at 
Night. 
O 
0 "r^ V 
^^ 
1-3 ^ 
r-- (s-» O 
° r-. CO <^ 
r< M M 
Sum Lowest 
17 12-0 
Number of Nights it was 
r. r. 
s 
<^ O 
Between 
30° 
and 40°. 
CO 
i :r 
r* "-. o 
i 
CO " 
At or 
below 
30°. 
o o o 
1 o 
p-i r» 
Daily 
Horizontal 
movement 
of the Air. 
?: O O 
— O 
» C> 
.Si CT^ OO 
r* r< 
a ON 
1 " 
d 
'5 
a 
Diff. from 
average 
of 69 years. 
M O <-< 
d o M b 
" + 1 1 
a l! 
D 
M 1 
<^ 
j£ b b b 
+ 1 1 
e b 
1 + 
c 
o 
B 
< 
r< M 
s « 
= r 
a ^ 5^ 
i r 
Weight of 
a Cubic Foot of Air. 
Diff. from 
average of 
33 years. 
r* M r* 
2 
" 1 + 1 
1 
^ r» M ^J^ 
+ 
a 
ta 
. vO o >-• 
u) »J^ w^ 
o 
r. 
w% 
r*> fcj^ 
bO W-\ U% »rN 
00 
Reading 
of Barometer. 
Diff. from 
average of 
33 years. 
»A O 
c o o o 
b b b 
+ 1 1 
*^ 
O 
b 
1 
^ 
c C o - 
" b b b 
+ + 1 
0 
b 
1 
c 
eS 
o 
O ^ r< 
r< OO w^ 
OO 1^ r-^ 
t> c 
M r* r* 
CO 
CO O 
o »-< 
p r* r* f 
ffN ^ 
0 
0 
r - 
o> 
Degree 
■ of Humidity. 
Diff. from 
average of 
33 years. 
1 + + 
O 
M O 
+ 1 
+ 
c 
a 
O OO -i- 
OO 
t ~. 
O OO 
00 CO 
cs 
OO 
1874. 
Months. 
July .. .. 
August 
September 
n 
C 
October 
November 
: 
m 
§ 
