( X ) 
Highest 
Reading 
at 
Nicht 
w^ « O 
O o 'r- 
£ >^ 
.a ■ 
^o CO 
o ^» >^ 
° b "r- 
1^ 
£ o 
.a • 
to o 
W 
Reading of Thermometer on Grasf 
Lowest 
Reading 
at 
1> iguv. 
o o o 
° o *^ o 
<r -i- 
S o 
_! ^ 
n o 
° O 
Sum Lowest 
17 13-7 
Number of Nights it was 
M M 1^ 
a =^ 
J °° 
O w O 
^ Between 
30° 
and 40°. 
O O 
i 
§ 0 
rn 
o o o 
i o 
X 
S 
CO rt- 
Daily 
Horizontal 
movement 
of the Air. 
^ ^ rv> 
^ r* n 
d u< 
g * 
6 0 
3 L. 
CO ^ 
1 
Rain. 
Diff. from 
average 
of 64 years. 
+ + + 
5 T 
«3 -|- 
. O u^ 
7 T T 
o 
a 
.S r» 
a 
00 ON o 
— O O 0 
a 
Weight of 
a Cubic Foot of Air. 
Diff. from ' 
average of 
38 years. 
. - 0 - 1 - 
& + +1 + 
^ + + + 
w 
2 r* r» 
S) fcTt 1^ 
o 
l^N O^ CO 
£ ^ 
bo '-'N *.rv 
Reading 
of Barometer. 
O ^ 
,• >i 
^ ^ 00 
r-* .^f IS*, 
r-~ M o 
Q M M O 
b b b 
1 1 1 
OO 
o 
b 
1 
»r\ 
vrs 
.s r r p 
o o o 
+ + + 
0 
f-A 
+ 
C 
oo M 
n t-^ O 
a' o o oD 
n 
o 
r* ^ ON 
fv^ rA 
ON O 
r* .-A ^'^ 
0 
b 
>, 
M i 
o 
Diff. from 
1 average of 
3S years. 
OS a^ tJ- 
+ + + 
+ 
+ 1 1 
0 
0 
c3 
O 
-1- -i- 
CO OO CO 
oo 
0^ 
CO OO CO 
CO 
1879. 
Months. 
July .. .. 
August 
Septembev 
tD 
5 
a< 
I— 1 
«=i 
October . . 
November 
December 
m 
a 
03 
a; 
