Meteorological Observations. 
hi 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of January, 1863. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
scl 
dependent thereon. 
ve 
} 
Ss 
ou 
Mean Height of 
the Barometer 
at 32° Fabt. 
30.043 
039 
031 
.025 
021 
027 
044 
065 
097 
113 
120 
-100 
fed ed 2 
HOO MATS OUP CoD 
Zz 
S) 
) 
5 
072 
040 
016 
29.998 
991 
.996 
30,001 
014 
032 
043 
.048 
047 
FOOONANAWNH 
ae 
Inches. 
Range of the Barometer for 
each hour during the 
month. 
Max. Min. Diff. 
Inches. | Inches. | Inches. 
30.104 | 29.951 0.153 
101 944 pl Lair7/ 
.095 .938 SIL aie/ 
.086 .938 148 
084 .955 .129 
.086 969 117 
.105 954 151 
1384 .992 142 
157 =| 80.024 133 
LTA 04:7 127 
189 .051 .138 
ASL .033 .148 
0152 .010 142 
112 = | 29.983 129 
.098 .964 134 
.085 .933 0152 
.067 6928 139 
.090 .922 2168 
.095 .919 .176 
111 .933 178 
118 972 .146 
120 .968 152 
119 .962 157 
110 6993 157 
Mean Dry Bulb 
Thermometer. 
Range of the Tempera- 
ture for each hour 
during the 
month. 
Max. | Min. | Diff, 
64.8 54.8 | 10.0 
67.4 59.0 8.4) 
69.6 62.6 7.0 
72.2 65.4 6.8 
74.9 68.4: 6.5 
76.6 69.4, 7.2 
75.2 66.8 8.4 
73.4 64.8 86 
72.1 63.4 8.7 
71.4 62.2 9.2 
70.4: 60.8 9.6 
69.3 59.6 9.7 
The Mean Height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers are derived from the Observations made at the several hours 
during the month. 
