Meteorological Observations. iil 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of January, 1865. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 







S 8 | Range of the Barometer S 2 Range of the Temperature 
aga for each hour during FQ 2 for each hour during 
H 2 oe the month. bo the month. 
our, = a 2 Qa EI 
aco? ‘ , eS i 
#24 | Max. Min. Diff. SH | Max. Min. Diff. 
as = 
i ennaeeanenee — —_——————— 
Inches. | Inches.) Inches.| Inches. tv) 0 0 o 
Mid- (30.068 | 30.139 |29.884 | 0.255 | 65.5 
night i ! 29. 2 : 70.8 61.4 9.4 
ui O61 134 .878 .256 64.8 71.0 61.0 10.0 
2 .052 128 872 -256 64.1 70.8 60.6 10.2 
3 041 113 869 244 63.6 70.8 59.0 11.8 
4 .046 L112 .883 .229 62.7 66.8 58.8 8.0 
5 047 .130 .890 .240 62.6 70.6 58.0 12.6 
6 .068 149 910 239 62.1 70.4 57.4 13.0 
Ve .090 -180 .938 2242 61.8 70.2 57.0 13.2 
8 118 -210 -963 247 64.6 70.2 59.4 10.8 
9 .136 -235 983 «202 69.0 74.0 63.8 10.2 
10 140 238 .993 245 72.1 75.6 65.0 10.6 
it 121 210 .976 234 74.8 78.2 69.0 9.2 
Noon. 094 173 | .938 235 | 7&2) 80:2 68.0 12.2 
1 .060 138 917 221 77.5 81.8 70.0 11.8 
2 .038 pli .890 227 78.4 83.2 71.8 11.4 
3 .019 i Hef .868 243 78.5 83.2 V1.2 12.0 
A .013 110 848 .262 76.9 81.6 70.6 11.0 
5 .020 129 B44 21d 75,3 79.4 70.2 9.2 
6 .027 134 .862 272 72.8 76.6 68.4) 8.2 
Ei 041 149 .870 279 (Aleit hone 66.4 9.1 
8 .057 161 932 .229 69.7 74.2 65.2 9.0 
9 067 175 912 .263 68.4 73.3 63.6 9.7 
10 .070 178 .883 .295 67.3 42.8 62.4 10,4 
11 071 lial .950 221 66.4 72.0 61.8 10.2 


The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther-~ 
mometer Means are derived from the Observations made at the several hours 
during the month. 

