Meteorological Observations. 



XI 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta^ 



in the month of February, 1866. 



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

 dependent thereon. 





o o> 



Range of the Barometer 



""3 £ 



Range of the Tempera- 





0> 2 



for each hour during 





ture for each 



hour 



Hour. 



the month 







during 



the month. 



w«& 









OS 











M W 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





0) -P Cj 









0) t-| 











X 









a 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 



















night. 



29.964 



30.079 



29.831 



0.248 



66.3 



74.2 



59.8 



14.4 



1 



.954 



.070 



.821 



.249 



65.8 



74.0 



59.0 



15.0 



2 



.943 



.051 



.794 



.257 



65.2 



74.0 



58.7 



15.3 



3 



.931 



.046 



.778 



.268 



64.6 



73.5 



58.0 



15.5 



4 



.925 



.039 



.766 



.273 



64.1 



72.4 



57.4 



15.0 



5 



.936 



.071 



.797 



.274 



63.7 



71.6 



56.8 



14.8 



6 



.954 



.079 



.827 



.252 



63.3 



71.2 



56.6 



14.6 



7 



.974 



.085 



.845 



.240 



63.3 



70.8 



56.2 



14.6 



8 



30.000 



.106 



.868 



.238 



65.6 



71.0 



58.8 



12.2 



9 



.026 



.132 



.898 



.234 



68.9 



75.2 



60.6 



14.6 



10 



.031 



.138 



.883 



.255 



71.6 



78.6 



60.8 



17.8 



11 



.021 



.127 



.884 



.243 



74.0 



82.0 



62.0 



20.0 



Noon. 



29 .994 



.099 



.847 



.252 



76.1 



86.4 



62.9 



23.5 



1 



.962 



.063 



.813 



.250 



77.4 



88.8 



65.0 



23.8 



2 



.931 



.028 



.778 



.250 



78.3 



90.6 



66.8 



23.8 



3 



.911 



.012 



.748 



.264 



78.6 



91.4 



64,4 



27.0 



4 



.905 



.022 



.740 



.282 



77.9 



91.2 



63.8 



27.4 



5 



.907 



.062 



.736 



.326 



77.0 



90.6 



62.8 



27.8 



6 



.915 



.070 



.742 



.328 



74,6 



87.6 



62.5 



25.1 



7 



.929 



.111 



.760 



.351 



72.6 



84,6 



62.2 



22.4 



8 



.948 



.122 



.784 



.338 



70.9 



80.6 



62.0 



18.6 



9 



.962 



.117 



.798 



.319 



69.7 



78.4 



62.1 



16.3 



10 



.969 



.080 



.809 



.271 



68.6 



77.2 



61.8 



15.4 



11 



.964 



.071 



.804 



.267 



67.6 



76.0 



61.4 



14.6 



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. 



