Meteorological Observations. 



1U 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of January 1869. 



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

 dependent thereon. 







.Range 



of the Barometer 



r£} 



Range of the Tempera- 





H <0 • 



for each hour during 



f-t 



ture for each hour 





rH -S •+= 



3 ££ 



the month 





<0 



!h O 



during 



the month. 



Hour. 



■^ ISO 









p g 











|p§& 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





l| 









g H 











Inches. 



Inches. 



Inches. 



Inches. 



O 



o 



o 



o 



Mid- 



















night. 



30.057 



30.185 



29.931 



0.254 



66.2 



72.0 



59.4 



12.6 



1 



.049 



.186 



.930 



.256 



65.5 



71.8 



58.5 



133 



2 



.040 



.185 



.921 



.264 



65.0 



71.4 



58.0 



13.4 



3 



.032 



.179 



.910 



.269 



64.4 



71.0 



58.5 



12.5 



4 



.028 



.178 



.894 



.284 



63.9 



71.0 



58.2 



12.8 



5 



.037 



.190 



.906 



.284 



63.4 



71.5 



57.7 



13.8 



6 



.052 



.204 



.915 



.289 



62.8 



70.6 



57.0 



13.6 



7 



.073 



.221 



.939 



.282 



62.5 



70.0 



56.3 



13.7 



8 



.099 



.253 



.957 



.296 



63.5 



70.5 



58.2 



12.3 



9 



.124 



.285 



.978 



.307 



66.6 



72.0 



62.2 



9.8 



10 



.133 



.294 



.987 



.307 



70.1 



75.0 



66.0 



9.0 



11 



.114 



.276 



.971 



.305 



73.4 



77.2 



68.5 



8.7 



Noon. 



.084 



.232 



.934 



.298 



75.4 



80.7 



69.0 



11.7 



1 



.050 



.196 



.909 



.287 



76.7 



83.5 



70.0 



13.5 



2 



.022 



.166 



.886 



.280 



77.6 



84.5 



70.9 



13.6 



3 



.005 



.148 



.871 



.277 



78.0 



85.8 



71.5 



14.3 



4 



29.998 



.134 



.864 



.270 



77.3 



85.1 



72.0 



13.1 



5 



30.005 



.140 



.868 



.272 



76.1 



83.0 



71.5 



11.5 



6 



.014 



.145 



.878 



.267 



73.7 



79.3 



68.3 



11.0 



7 



.030 



.154 



.895 



.259 



71.8 



77.2 



66.5 



10.7 



8 



.050 



.172 



.913 



.259 



70.4 



76.9 



64.6 



12.3 



9 



.063 



.183 



.934 



.249 



69.1 



75.0 



63.8 



11.2 



10 



.069 



.187 



.939 



.248 



68.1 



74.0 



62.5 



11.5 



11 



.063 



.182 



.933 



.249 



67.2 



73.0 



61.5 



11.5 



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. 



