Meteorological Observations. 



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 Hygronietrical elements 

 dependent thereon. 





*S"§ R 



mge 



of the Barometer 





Eange of the Tempera- 







br each hour during 



ture for each hour 







the month 





£i ° 



fi a 



during 



the month. 



Four. 



















gmSS m 



ax. 



Min. 



Diff. 





Max. 



Min. 



Diff. 













^ 











Inches. Inc 



hes. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 



















night. 

 1 



30.057 30 



185 



29.931 



0.254 



66.2 



72.0 



59.4 



12.6 



.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 



6 



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. 



