Extract from Meteorological Obsermtiom kept at the Madras Magnetic Ohermtory. 
HOURLY MEANS. 
Goltingen Mean Time .... 
Noon. 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
'17 
18 
19 
20 ^ 
21 
22 
23 
Madras Mean Tims • 
4 ' 41 
p. M, 
h. m. 
5 41 
6*^1 
^iTi 
8* 41 
^9 41 
10 Ti 
n Ti 
?2 Tl 
13 41 
14 Tl 
15 Tl 
16 
18*41 
19 
20 
21 U 
ll M. 
22 41 
23^1 
\ Tl 
^2 Tl 
^3^i 
Means 
Baromrter at j 
t 
Inches 
29-932 
•962 
•879 
In. 
29 946 
•974 
•890 
In. 
29 970 
•991 
•909 
In. 
29 993 
30.014 
29-933 
In. 
30 005 
•034 
29-955 
la. 
30-009 
•040 
29-966 
In. 
30-001 
•034 
29. -967 
In. 
29 992 
30 023 
29 958 
In. 
29-977 
30 010 
29-945 
* 
In. 
29-958 
•997 
•928 
In. 
29 943 
•980 
•911 
In. 
29 937 
■979 
•901 
In. 
29-944 
•988 
•904 
In. 
29- 958 
30- 002 
29-919 
In. 
29 978 
30017 
29-939 
In. 
30-006 
•042 
29-965 
In. 
30-025 
•070 
29 987 
In. 
30-026 
.075 
29-999 
In. 
30-015 
-065 
29-990 
In. 
29-987 
30043 
29 969 
In. 
29- 957 
30- 012 
29-940 
In. 
29-932 
•981 
•908 
In. 
29-918 
•961 
•883 
In. 
29918 
•955 
•871 
Inches 
29- 972 
30- 010 
29-934 
Q 
0- 
o 
0 
0 
a 
0 
0 
o 
0 
p 
c 
p 
0 
Q 
o 
0 
o 
Q 
0 
Q 
0 
0 
77- 3 
78- 0 
80-7 
76-2 
76-8 
78-8 
75-5 
75- 8 
76- 9 
75-1 
75-4 
75-7 
75 0 
75-1 
74-6 
74-7 
. 74-8 
73'5 
74-3 
74-3 
72-6 
74 2 
74-0 
71-8 
73-8 
73-0 
70-6 
73^4 
72 4 
70-0 
731 
71-9 
69-5 
73-0 
71-3 
69-1 
72-7 
70^7 
68-6 
72-4 
70-2 
68-2 
72-1 
70-1 
68-3 
73-8 
72-4 
71-6 
76-2 
75-5 
75-6 
77-7 
77-8 
79-0 
78- 7 
79- 0 
81-0 
79-1 
79-8 
82-1 
79.2 
80.1 
82 8 
79 1 
80^1 
83'0 
78- 9 
79- 7 
82-6 
78.2 
791 
81-9 
756 
75-3 
75-4 
"'^^^'^ ( Feb. do. 
71-1 
70-4 
723 
70-9 
69-9 
72-0 
70- 9 
69-5 
71- 7 
70 9 
69-3 
71-2 
70-7 
69 2 
70-6 
70-7 
691 
70-2 
70-6 
68- 9 
69- 7 
70-7 
68-7 
69 0 
70-6 
68.6 
68-4 
70-4 
68-5 
68-1 
70-3 
68-5 
67-7 
70-3 
68-3 
67^4 
70-2 
68^0 
67^1 
700 
67-8 
66-8 
69-8 
67-7 
670 
70*4 
69-0 
69-3 
71-2 
70-2 
7r3 
71- 5 
70-7 
72- 3 
72-0 
71-0 
72'3 
72-1 
71- 2 
72- 0 
719 
71- 3 
72- 5 
71-7 
71- 3 
72- 8 
71-9 
71- 1 
72- 7 
71^6 
70-9 
72-4 
70-9 
69-6 
703 
Madras, } 
m March, 1857. \ 
* The Numbers in these Columns are not observed but interpolated for the sake of obtaining the daily means. 
W 
S. JACOB, 
Honshu Company's Astronomer 
