Meteorological Observations. lxxxi 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, 
in the month of November 1886. 
Latitude 22° 33’ 1” North. Longitude 88° 20’ 34” East. 
Height of the Cistern of the Standard Barometer above the sea level, 18.11 feet. 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
Cy 
“ § Range of the Barometer = # |Range of the Tempera- 
aes during the day. aS ture during the day. 
2 iS = Pg 
Date. | = 2 9. a 5 
22° | Max. | Min. | Dif? | &3 | Max. | Min. | Diff. 
ey a= | SoH 
= Lie 
Inches. | Inches. | Inches. | Inches. ) Cy) Co) O- 
1 29.907 | 29.963 | 29.861 0.102 80.0 86.0 74.2 | 11.8 
2 954 ) 30.013 911 .102 79.9 85.4 74.8 , 10.6 
3 989 C59 943 116 81.7 88.6 75.9 | 12.7 
4 30.002 O74 945 129 82.1 87.8 77.0 | 10.8 
5 29.972 045 921 124 (OD 84.0 76.5 7.5 
6 .946 GOL 888 13 79.5 85.9 75.6 9.4; 
7 936 O09 872 137 78.9 84.9 73.4 | 11.5 
8 910 | 29.979 847 132 78.6 86.6 72.0 | 14.6 
9 .S90 -961 846 115 78.3 85.8 72.0 | 13.8 
10 -809 G15 786 129 18.7 84.0 70.0 | 14.0 
11 -885 944, .829 115 75.7 §3.6 68.0 | 15.6 
12 983 | 30.047 925 122 76.6 83.6 70.8 | 12.8 
13 | 30.021 .O96 965 131 ied, 84.8 70.8 | 14.0 
14 O11 OTA 953 121 77.4 85.2 71.2 | 14.0 
15 084, 124 | 30.003 21 Hos 84.8 70.4 | 14.4 
16 .O82 145 O37 106 77.0 84.1 71.0 | 13.1 
Ay) 097 163 029 134 75.2 83.9 70.2 | 13.7 
18 063 142 | 29.991 161 76.0 83.6 70.0 | 13.6 
19 059 121 | 30.007 114 76.0 83.4 70.0 | 13.4 
20 -032 106 | 29.971 135 75.5 82.6 69.2 | 13.4 
1 .026 094, 959 135 75.4 82.6 69.8 | 12.8 
22 O21 083 964 119 74.1. 81.8 67.2 | 14.6 
23 -000 .058 .939 LL. 73.1 81.0 66.7 | 14.3 
24 29.990 064 931 133 1.4 80.1 64.8 | 15.5 
25 985 .059 919 140 71.3 79.6 64.0 | 15.6 
26 -936 | 29.999 876 123 70.4 79.0 62.8 | 16.2 
27 -945 291 890 101 70.1 78.0 62.0 | 16.0 
28 30.000 | 30.060 959 105 72.0 80.0 64.4 | 15.6 © 
29 029 .0S5 .983 112 71.8 80.4 64.2 | 16.2 
30 -038 107 974 .133 (er 81.0 65.9 | 16.0 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Premmometer Means are derived, from the hourly observations, made during 
e day. . 
