Meteorological Observations, xlix 
Abstract of the Results of the Tourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, 
in the month of January, 1863. 
Latitude 22° 33’ 1” North. Longitude 88° 20’ 34” East. 
Feet. 
Height of the Cistern of the Standard Barometer above the Sea-level, 18.11. 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
OCOIA}HR Bwwe | Doe. 
eo 
DD 
ft et et 
MID OB w 
oe 
ow 
BO BO BO 
© he 
bw 
ous 
OE SE ES) 
CoO ONS 
w 
a 
the Barometer 
Mean Height of 
at 32° Faht. 
Inches. 
30.060 
.039 
.050 
Sunday. 
057 
.009 
042 
047 
042 
073 
Sunday. 
.068 
29.996 
30.012 
054: 
.035 
.028 
Sunday. 
.070 
051 
042 
103 
027 
29.991 
Sunday. 
30.105 
.086 
032 
031 
.009 
.006 
Range of the Barometer 
during the day. 
Max. Min. | Diff. 
Inches. | Inches. | Inches. 
80.185 | 29,985 0.150 
113 985 128 
134 991 143 
151 .989 162 
077 955 122 
.128 994: 134 
123 984 .139 
113 .998 115 
165 | 30.019 146 
.158 006 152 
072 | 29,919 153 
072 .954 .118 
138 | 30.008 130 
122 | 29.978 144 
.090 .981 .109 
153 | 30.013 140 
142 | 29.995 147 
101 997 104 
164 | 30,050 114 
04 | 29,953 51 
051 938 113 
189 | 80.043 146 
177 019 158 
120 | 29.964 156 
.102 982 .120 
.099 922 177 
074 950 124 
Mean Dry Bulb 
Thermometer. 
OID 
OHO 
“TWO OL 
| 
Range of the Tempera- 
ture during the day. 
Max, Min. | Diff. 
) 0 0 
79.6 59.3 | 20.3 
19:9 64.8 | 18.1 
78.5 63.8 | 14.7 
75.4 59.6 | 15.8 
74.0 57.4 | 16.6 
75.8 57.2 | 18.6 
76.0 56.4 | 19.6 
76.4 58.0 | 18.4 
74.0 58.3 | 15,7 
75.1 54.9 | 20.2 
76.2 54.8 | 21.4 
78.4 59.8 | 18.6 
76.4 60.8 | 15.6 
79.4 59.8 { 19.6 
71.0 64,4 6.6 
78.4 60.0 | 18.4: 
76.4: 62.4 | 14.0 
78.8 63.3 | 15.5 
79.5 62.3 | 17.2 
79.6 63.0 | 16.6 
74.3 64.6 9.7 
76.4: 60.2 | 16.2 
75.2 59.0 | 16.2 
75.2 56.4 | 18.8 
75.2 56.2 | 19.0 © 
76.6 59.5 | 21.1 
74.6 57.6 | 17.0 
The Mean height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers are derived from the twenty-four hourly Observations made during 
the day. 
