( XVII ) 
Reading of Thermometer on Grass. 
Highest 
Reading 
at 
° « V ^ 
IN-V 
<J ^ 
to 
1 0 u^ 
° b 
1 »J-\ U-N 
»^ 
.a 
« ^ 
Lowest 
Reading 
at 
1^ IgUl. 
® O o 
(N n n 
to r» 
3 " 
, Number of Nights It was | 
Above 
40°. 
ON O 
M ON 
HI 1-1 Hi 
1 
Between 
and 40°. 
OO 1^ '■'^ 
i ? 
^ ^ 0 
At or 
below 
30°. 
O^ OO 
Daily 
Horizontal 
movement 
of the Air. 
J CO M ^ 
Mean 
346 
W) M ON ON 
^ ^ 
:q r< r* r» 
C VO 
0 2V 
Rain. 
Diff. from 
average 
jof 54 years. 
o o 
+ + 1 
a t 
5 + 
r-^ rt o^ 
C 0 w 0 
" 1 + 1 
i 0 
00 1 
1 
a 
CN 
o ^ ^ ^ 
s ? 
0 ^ - 
a * 1* ' 
« M rv^ M 
a 
Weight of 
a Cubic Foot of Air. 
Diff. from 
average of 
28 years. 
fe 1 1 + 
1 
^11 + 
+ 
d 
V 
rj- 
Sd <r\ 
r> CO 00 
£ tJ~ 
ta ^-'N »J^ 
Reading 
of Barometer. 
Diff. from 
average of 
28 years. 
vj^ OO 
O 
fl r ? r 
o o o 
+ + 1 
0 
0 
b 
+ 
£ ? r r 
000 
+ 1 + 
1 ^ 
M 
0 
b 
+ 
d 
03 
vD O 
^ oo oo ^ 
r* n 
ON 
ON M ON 
(4 CX3 so ON 
0 
0 
00 
ON 
r. 
Degree 
of Humidity, 
Diff. from 
average of 
28 years. 
O M )H 
1 + 
0 
+ + + 
'J- 
+ 
c 
a 
CO "^i" 
oo oo oo 
00 
00 oc 
00 
1869. 
Months. 
January . . 
February . . 
March 
a 
«j 
a* 
3 
April ,. 
May 
June 
a 
i 
