Extract from Meteorological Observations kept at the Madras Magnetic Observatory. 
HOURLY MEANS. 
Gottingen Mean Time 
Noon. 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
1 
15 
16 
17 
18 
19 
20 
21 
22 
23 
DEC. ] 
h m 
h n 
1 h m 
h m 
h va 
h n 
1 h n 
h m 
h m 
h ra 
h m 
h m 
h m 
h m 
h ra 
h m 
h m 
h m 
h m 
h m 
h m 
h m 
h m 
h m 
00 
4 41 
p. M. 
5 4 
6 41 

7 41 

8 41 

9 4] 
10 41 
11 41 
12 41 
13 41 
14 41 
15 41 
16 14 
17 41 
18 41 
19 41 
20 41 
21 41 
22 41 
23 4' 
0 41 
1 41 
2 41 
3 41 
Means 
?^ 
Inches 
In. 
In. 
In. 
In. 
In. 

In. 
In. 
In. 
« 
In. 
In. 
« 
In. 
In. 
In. 
In. 
In. 
In. 
In. 
In. 
In. 

In. 
In. 
In. 
In. 

Inches 
:July 
1856. 
•617 
•680 
•661 
•679 
•702 
■716 
•723 
•714 
•702 
'693 
•685 
•686 
•687 
•699 
•718 
•735 
•744 
•745 
•731 
•710 
•685 
•663 
•641 
•626 
•691 
Barometer 32°=29 x ■ 
.August do 
•683 
•699 
•722 
•749 
•773 
•788 
•790 
•781 
•765 
•754 
•743 
•742 
•740 
•752 
•770 
•792 
•805 
•809 
•796 
•779 
•753 
•729 
•707 
•690 
•755 
ISeptr. 
do 
•730 
•746 
•767 
•790 
•813 
•830 
•826 
•816 
•803 
•794 
•784 
•789 
•793 
•809 
•829 
•850 
•862 
•861 
•845 
•817 
•786 
•757 
•736 
.724 
•798 
Co 
o 
0 
0 
0 
o 
° 
0 
0 
0 
Q 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
1 
<^ 
July 
1856. 
90"3 
Oo o 
oO U 
oo o 
00 1 
82 '7 
82' 1 
8r5 
81 '4 
81^1 
80'8 
804 
80"1 
01 .1 
oil 
83'4 
85 8 
0/ 9 
89'7 
93" 1 
92 5 
9r7 
85'6 
Dry Thermometer... | 
August do 
87-1 
85-4 
83^5 
823 
:81-8 
81-2 
80-6 
80-3 
79^9 
79 5 
79-0 
78-7 
78'4 
781 
79 0 
80-8 
82-8 
84-8 
86-4 
87-7 
88'5 
88-5 
88-6 
880 
830 
Septr. 
do 
88-3 
86-4 
84-5 
83-8 
833 
82^8 
82-1 
81 5 
81-2 
80-7 
80-3 
79-9 
79-5 
790 
79 5 
81 8 
84-1 
86-5 
88-2 
89-6 
90-4 
90-4 
90-3 
89-7 
84'3 
Wet Thermometer. . . | 
July 
1856, 
78-6 
78-2 
77.7 
78 0 
77.7 
77-3 
77^0 
76-6 
76-2 
76-1 
75-9 
75-6 
75-3 
74-9 
75-5 
76-3 
76-7 
77-0 
77-4 
77-8 
78-1 
78-4 
78^8 
79 0 
77-1 
0 
Oo 
Augusi 
do 
79-3 
789 
78-7 
78 0 
77-8 
77-6 
77^3 
77-2 
76-7 
76-0 
75-8 
75-6 
75-4 
75-3 
75-8 
76-4 
77-0 
77^6 
77-9 
78'0 
78-5 
78^7 
79 0 
792 
77-4 
S5 
Septr. 
do 
77-8 
77-7 
77-6 
77-5 
77^5 
77^1 
76-9 
76-8 
1 
76-6 
76-4 
76-1 
75-8 
75-5 
751 
75-3 
75 9 
76-3 
76-6 
76-8 
77-2 
77-3 
77-6 
77-8 
779 
76^8 
-•J 
* The Numbers in these Columns are not Observed but interpolated for the sake of obtaining the daily means. 
Mi.Diii.s, j W. S. JACOB, 
\st October i 1856. ) Director of the Madras Observatory. 
