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 15 16 17 18 19 20 21 22 23
h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m.
Madras Mean Time p. m.
4 41 5 41 6 41 7 41 8 41 9 41 10 41 11 41 12 41 13 41 14 41 15 41 16 41 17 41 18 41 19 41 20 41 21 41 22 41 23 41 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. Inches
Barometer at 30° Faht.
Dec. 1856. 29·932 29·946
Jan. 1857. ·962 ·974
Feb. 1857.do. ·879 ·890
29·970 ·991 ·909
29·993 30·014 29·933
30·005 ·034 29·955
30·009 ·040 29·966
30·001 ·034 29·967
29·992 30·023 29·958
29·977 30·010 29·945
29·958 ·997 ·928
29·943 ·980 ·911
29·937 ·979 ·901
29·944 ·988 ·904
29·958 30·002 29·919
29·978 30·017 29·939
30·006 ·042 29·965
30·025 ·070 29·987
30·026 ·075 29·999
30·015 ·065 29·990
29·987 30·043 29·969
29·957 30·012 29·940
29·932 ·981 ·908
29·918 ·961 ·883
29·918 ·955 ·871
29·972 30·010 29·934
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
