Meteorological Observations, 1x 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of February, 1866. 
Latitude 22° 23’ 1” North. Longitude 88° 20’ 34” Hast. 
Height of the Cistern of the Standard Barometer above the Sea-level, 18 ft. 11 in, 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon, 
SH 2 
i £ 28 Range of the Barometer = & | Range of the Tempera- 
re 8 c during the day. Qe ture during the day, 
Ou H 5 
Date. ea so Ag 
qo : F do : : 
eq Max. Min. Diff. Sa Max. | Min. | Diff. 
or o 
= = 
Inches. | Inches. | Inches. | Inches. oO fo) oO oO 
1 29.982 | 30.052 | 29.934 | 0.118 63.1 66.9 60.0 6.9 
2 994 .067 .946 120 64.3 71.6 58.4 | 13.2 
3 921 .013 840 ie 65.3 73.8 57.2 | 16.6 
A, .833 | 29.898 787 ALL 63.6 70.6 60.4 | 10.2 
5 .848 .925 .766 .159 66.3 75.8 58.6 | 17.2 
6 .983 | 30.062 .915 147 69.2 78.4: 61.8 | 16.6 
7 30.045 138 .985 153 70.5 80.2 61.4 | 18.8 
8 O24 101 .967 134: 70.8 80.4 63.0 | 17.4 
9 .060 132 .997 135 68.1 75.2 64.6 | 10.6 
10 O51 122 .982 .140 415 81.7 62.0 | 19.7 
11 29.98 041 915 .126 69.9 80.0 65.4 | 14.6 
12 943 .013 .850 163 66.8 71.2 62.4: 8.8 
13 30.037 124 .986 .138 63.8 71.1 56.4 | 14.7 
14 .006 .075 937 138 64.7 73.5 56.2 | 17.3 
15 29.975 057 .919 188 67.3 76.4 58.6 | 17.8 
16 .952 .040 .888 152 69.3 78.4 59.8 | 18.6 
17 .966 .046 .925 121 72.6 82.0 63.2 | 18.8 
18 981 .073 .930 143 72.8 78.3 68.8 9.5 
19 981 .062 .886 176 74.9 86.0 67.4 | 18.6 
20 .953 .039 .896 143 71.9 80.2 67.8 | 12.4 
21 945 .023 897 .126 73.7 81.8 67.8 | 14.0 
22 .923 | 29.992 .856 136 72.0 81.0 63.2 | 17.8 
23 .945 | 30.021 894 127 72.7 82.6 62.2 | 20.4 
24, .967 .056 .916 140 73.0 84.8 62.8 | 22.0 
25 937 .009 874 135 75.1 87.2 64.8 | 22.4 
26 .887 | 29.959 824 135 77.0 88.2 67.5 | 20.7 
27 843 914 791 123 77.9 89.2 68.4 | 20.8 
28 815 .900 736 164 79.6 91.4 70-8 | 20.6 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 
mometer Means are derived from the hourly observations made during the day. 
