( VII ) 
Reading of Thermometer on Grass. 
Highest 
Reading 
at 
Night. 
r-» lA 
° nS 5 b\ 
"m 0 1 ° c^ n 0 
0 1 ^ «^ 
% 0 
s ^ 
Lowest 
Reading 
at 
Night. 
rA ^ fA 
rA fv^ (S 
1 r- ° V 0 " 
"5 IN n n HI 
Lowest 
II 'O 
Number of Nights it was 
o 
O O 
1 
a 
0 rA 
Between 
30° 
and 40°. 
11 00 
i 
At or 
below 
30°. 
O O r< 
0 
3 r» 
CO 
r» M 
a 
CO 'i- 
Daily 
Horizontal 
movement 
of the Air. 
Miles 
215 
238 
W rA 
i ^ " " 
Mean 
212 
a 
Diff. from 
average 
of 56 years, 
■ b « « 
-11 + 
S b 
66 1 
■ M ■« b 
-ill 
Q 
w 1 
a 
o 
a 
< 
.5 ?^ 
=■ ."^ f r 
— « b ■-■ 
a 
3 . 
M rA 
Weight of 
a Cubic Foot of Air. 
Diff. from 
average of 
30 years. 
^ 1 1 i 
1 
^ 1^ 00 kA 
" + 1 + 
0 
a 
eS 
s 
« M r» f>A 
tjj fci-V kA kA 
C30 
r» 
^ tJ- kj^ kTS 
r» 
^A 
^A 
Reading 
of Barometer. 
Diff. from 
average of 
30 years. 
-S r* ? ? 
b b b 
1 + 1 
0 
b 
1 
VA CT* 
■'00''^ 
b b b 
+ + + 
r* 
00 
0 
0 
+ 
d 
S 
0 »J^ a* 
0 t-. 
iff!" 
tJN CN 
r< r» n 
»A 
^A 
^A 0 KA 
00 fS 
^ r-- CO 
CJN 0^ 0\ 
rs r* M 
00 
Pegree 
of Humidity. 
Diff. from 
average of 
30 years. 
+ 1 1 
1 
<s 0 
1 
c 
o 
00 CO^ 00 
00 
1871. 
Months. 
July .. .. 
August 
September 
ca 
a 
<v 
October 
November.. 
December . . 
a, 
