Meteorological Observations. 



Ill 



Abstract of the Resiilts of the Hourly Meforological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of January 1877. 



Hourly Means, &c. of the Observations and of the Hjgrometrical elements 

 dependent thereon. 



Hour 





JRange of the Barometer 



for each hour during 



the month. 



Max. 



Min. 



Diif. 



p a 



Eange of the Tempera- 

 ture for each hour 

 during the month. 



Max. 



Min. 



Diff, 



Mid- 

 night. 



1 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 



Noon 



1 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 



Inches. 



Inches. 



Inches. 



Indies. 



o 



30.105 



30.217 



29.969 



0.248 



64.6 



.096 



.207 



.957 



.250 



63.9 



.085 



.216 



.947 



.269 



63.2 



.077 



.199 



.933 



.266 



62.6 



.070 



.185 



.936 



.249 



62.1 



.081 



.190 



.958 



.232 



61.5 



.096 



.198 



.990 



.208 



61.0 



.116 



.206 



30.004 



.202 



60.9 



.142 



.239 



.007 



.232 



62.5 



.165 



.277 



.046 



.231 



66.1 



.170 



.301 



.049 



.252 



69.1 



.152 



.288 



.023 



.265 



71.6 



.120 



.267 



29.990 



.277 



73.3 



.087 



.223 



.959 



.264 



74.5 



.063 



.193 



.930 



.263 



75.5 



.048 



.169 



.917 



.252 



75.8 



.043 



.176 



.908 



.268 



74.7 



.050 



.169 



.919 



.250 



73.6 



.061 



.187 



.931 



.256 



71.1 



.075 



.205 



.934 



.271 



61*. 4 



.092 



.227 



.963 



.264 



68.2 



.103 



.250 



.958 



.292 



67.1 



.109 



.252 



.960 



.292 



66.2 



.107 



.232 



.951 



.281 



65.5 



72.5 



71.0 

 69.2 

 69.0 

 68.7 

 68.5 

 68.5 

 68.8 

 70.0 

 71.5 

 74.5 

 77.0 



78.6 

 80.0 

 81.0 

 83.0 

 82.0 

 80.8 

 78.8 

 76.0 

 74.6 

 73.5 

 72.5 

 72.0 



61.0 



60.5 

 60.0 

 59.5 

 69.0 

 68.5 

 58.0 

 57.5 

 59.0 

 62.7 

 64.0 

 64.0 



65.2 

 65.5 

 65.2 

 64.9 

 64.0 

 64.0 

 64.0 

 64.0 

 63.0 

 62.5 

 62.2 

 61.3 



11.5 



10.5 



9.2 



9.5 



9.7 



10.0 



10.5 



11.3 



11.0 



8.8 



10.5 



13.0 



13.4 

 14.5 

 15.8 

 18.1 

 18.0 

 16.8 

 14.8 

 12.0 

 11.6 

 11.0 

 103 

 10.7 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 

 Thermometer Means, are derived from the observations made at the several 

 hours during the month. 



