( • XXVII ) 
Reading of Tliermometer on Grass. 
Highest, 
Reading 
at 
O 
^ 
r< 1 r-^ u-^ 
&o rj- I " 0 »^ 
1 
1 ^ 
° V ob 
W M M 
^ o> 1 
t \ ° « M " 
^ M 1 M r* |V> 
Lowest 
18.3 
Number of Nights it was 
Above 
40°. 
r* O 
1 ^ 
CO 
a ^ 
Between 
30° 
and 40°. 
Ti" <s M 
W M M 
i 
i - 
r-^ ^ 
S 0 
At or 
below 
30° 
M M t-1 
3 
13 -a- 
r< 0 0 
0 
Daily 
Horizontal 
movement 
of the Air. 
Miles 
296 
304 
r* r* 
a r-~ 
I 
Diff. from 
average 
of 55 years, 
c 0 0 
-11 + 
B t 
S 1 
.a V 7 7 
a 
D 
o 
a 
^* vr> M 
w b D 
a M 
3 . 
^ r-A u% 
b b b 
i r 
M 
Weight of 
a Cubic Foot of Air. 
Diff. from 
average of 
29 years. 
" + + + 
+ 
c 
a 
o 
u^ 
S2 ^-f^ ^ 
tx) *J-> 
. 0 ON <s 
?l ^ 
to i.r\ tjy 
^^ 
Reading 
of Barometer. 
Diff. from 
average of 
29 years. 
<^ 0 r< 
2* 0 M IH 
dob 
+ 1 + 
b 
+ 
CO \o 
d r« rH 1-1 
b b b 
+ + + 
b 
+ 
iN^ rA Tf- 
pj QO 0 00 
ON ON 
r* ri 
ON 
O^ 
(N 
00 CN Tt- 
^ ON 00 ON 
ON ON ON 
<N (N r» 
<s 
Degree 
of Humidity. 
Diff. from 
average of 
29 years. 
1 1 + 
PA 
1 
1 1 1 
1 
c 
00 CO 
CO 
ON rA CO 
0 
1870. 
Months. 
January 
February .■. 
March 
0 
rt 
April .. 
May .. .. 
June .« 
0 
