( IX ) 
Reading of Thermometer on Grass. 
Highest 
Reading 
at 
Night. 
° o 
-i- M- 
Highest 
M tJ- 00 
® U I- V 
kA 
Highest 
54-8 
Lowest 
Reading 
at 
Night. 
° b V 'o> 
r* HI 
Lowest 
19-9 
rA CO KTv 
r< fi 
Lowest 
r* 
Number of Nights it was 
Above 
40°. 
M M O 
a ov 
a 
CO 
rA M M 
1-1 
Sum 
»-f\ 
PA 
Between 
30° 
and 40°. 
M r< M 
a M 
On k/> 00 
a 
3 
At or 
below 
30°. 
tH SO 
M M 
1 
OO w 
Sum 
M 
Daily 
Horizontal 
movement 
of the Air. 
ai r^ vD 
.2 r< O 
^ r.^ rA 
oJ O 
S ^ 
1 Mean 
»A 
r» 
Rain. 
Diff. from 
average 
of57 years.: 
r-^ CO 
c ^ b b 
- + 1 + 
5 + 
a b b b 
- 1 + 1 
Sum 
O 
b 
Amount. 
O OO H 
i 
\ O 
O '-' NO 
3 M rr\ M 
Sum 
KA 
Weight of 
a Cubic Foot of Air. 
Ditf. from 
average of 
31 years. 
ON <J\ O 
S) 1 1 1 
OO 
1 
^ M C ,M 
"III 
1 
Mean. 
grs. 
545 
544 
544 
. ON O 
« (v^ rA 
5) U-^ lA 
>-A 
Reading 
of Barometer. 
Diff. from 
average of 
31 years. 
oo M-^ r» 
i r 
0 o o 
1 1 1 
OO 
oo 
b 
1 
*^ oo 
CJ o o o 
bob 
1 1 1 
o 
b 
1 
Mean. 
>~r\ 
\0 ^ n 
O VO 
ON O ON 
r» r< 
oo 
ON 
r« 
r/^ 
5 r r 
On ON ON 
r* (N r» 
ON 
Degree 
of Humidity. 
Diff. from 
average of 
31 years. 
« M „ 
+ + + 
+ 
tA O M 
1 + 
M 
1 
Mean. 
a> SO 
oo 00 CO 
oo 
O NO »A 
r>. 
1872. 
Months. 
January . . 
February .. 
March 
Mean 
April .. 
May .. 
Til 
Mean 
