CAPTAIN ELLIOT’S MAGNETIC SURVEY OF THE INDIAN ARCHIPELAGO. civil 
Table I. 
Astronomical Mean Time. 
15. 
18. 
21. 
Noon. 
3. 
6. 
9. 
Mean. 
Observations made during- the Month of October, 1848, corresponding 
to a Mean 
Latitude of 3° 00' S.; Mean Longitude 103° 
00' E. 
Mean date October 10. 
Dry Thermometer, mean of 8 days 
80-5 
80-2 
83-1 
86-7 
86-7 
84-0 
81-9 
83-4 
Wet Thermometer, mean of 8 days 
77-1 
76-4 
78-3 
800 
79-7 
78-3 
77-0 
78-2 
Standard Thermometer, mean of 8 days 
80-5 
80-0 
82-4 
86-1 
86-5 
84-3 
82-4 
8.3-2 
Temperature of the Air, mean of 8 days 
80*9 
80-5 
83-9 
87-6 
87-1 
83*2 
82'3 
83-8 
Temperature of the Sea, mean of 8 days 
83-4 
84-0 
84-4 
86-2 
86-1 
84-7 
84-6 
84-8 
Observations made during the Month of November, 1848, corresponding to a 
Mean 
Latitude of 0° 46' N. ; Mean Longitude 105° 20' E. 
Mean date November 
3. 
Dry Thermometer, mean of 4 days 
81*4 
82-2 
81-7 
83-1 
'84-8 
83-8 
82-4 
82-8 
Wet Thermometer, mean of 4 days 
78-6 
78-0 
77*1 
78-5 
79-2 
78-5 
77-6 
78-2 
Standard Thermometer, mean of 4 days 
81-2 
82-0 
81-2 
82-9 
83-9 
84-2 
82-5 
82-5 
Temperature of the Air, mean of 4 days 
82-1 
82-3 
82-3 
83-5 
85-3 
84-1 
82-2 
83-1 
Temperature of the Sea, mean of 4 days 
83-6 
83-0 
84-8 
85-0 
85-1 
84-3 
83-8 
84-3 
Observations made during the Month of February, 1849, corresponding to a Mean 
Latitude of 9° 00' N. ; Mean Longitude 92° 
CO 
Mean date Feb 
ruary 
20. 
Dry Thermometer, mean of 10 days 
80*4 
79-9 
82-2 
84*3 
83-5 
82-4 
81-0 
81-9 
Wet Thermometer, mean of 10 days 
75-8 
75-0 
75-7 
76-9 
75-8 
75-8 
75-4 
75-8 
Standard Thermometer, mean of 10 days 
80-3 
79-8 
81-5 
83-9 
83-5 
82-7 
81-4 
81-8 
Observations made during the Month of March, 1849, corresponding to a Mean 
Latitude of 8° 06' ; Mean Longitude 97° 34' E. 
Mean date March 20. 
Dry Thermometer, mean of 15 days 
83*1 
82-4 
84-4 
86-8 
87-4 
84-8 
84-1 
84-7 
Wet Thermometer, mean of 15 days 
78-3 
77*9 
78-7 
79-7 
80*4 
78-9 
78*9 
79-0 
Standard Thermometer, mean of 15 days 
83-0 
82-3 
83-9 
86-3 
87*4 
85-1 
84-0 
84-6 
Temperature of the Air, mean of 5 days 
83-6 
83-2 
85*0 
87-3 
88-1 
85-6 
84-3 
85-5 
Temperature of the Sea, mean of 5 days 
84-5 
84-2 
84-9 
85-6 
85-3 
84-7 
84-5 
84-7 
Observations made during the Month of April, 1849 
, corresponding to a Mean 
Latitude of 12° 25' N. ; Mean Longitude 97° 34' 
E. Mean date April 4. 
Dry Thermometer, mean of 6 days 
83-0 
82-7 
84-4 
87*7 
88-6 
86-1 
84-4 
85-3 
Wet Thermometer, mean of 6 days 
78-3 
78-0 
79-3 
80*9 
8M 
80-3 
78-5 
79‘5 
Standard Thermometer, mean of 6 days 
83-0 
82-6 
83-9 
87-2 
88*2 
86-2 
84-6 
85-1 
Temperature of the Air, mean of 6 days 
82-6 
82-5 
85-0 
87-1 
88-2 
85-3 
84-5 
85-1 
Temperature of the Sea, mean of 6 days 
84-2 
84-8 
85-4 
86-3 
86-3 
85*6 
84-0 
8,r-l 
