Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of February 1869. 



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

 dependent thereon. 





<4h 43 



Range of the Barometer 



PR -2 



Eange of the Tempera- 





"S <B • 



for each hour during 



ture for each hour 







the month 





A S 



during 



the month. 



Hour. 

















c3 PR CO 



Max. 



Min. 



Diff. 



1-3 



Max. 



Min. 



Diff. 





u2 ® 



^3 









i* 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 



















night. 



29.962 



30.041 



29.759 



0.282 



70.6 



76.8 



60.2 



16.6 



1 



.951 



.036 



.750 



.286 



70.0 



76.0 



59.8 



162 



2 



.942 



.033 



.745 



.258 



69.5 



75.2 



59.2 



16.0 



3 



.933 



.028 



.734 



.294 



68.8 



74.3 



58.8 



15.5 



4 



.926 



.030 



.752 



.278 



68.3 



74.5 



58.5 



16.0 



5 



.937 



.037 



.767 



.270 



67.8 



73.0 



57.8 



15.2 



6 



.954 



.053 



.781 



.272 



67.5 



73.5 



57.5 



16.0 



7 



.976 



.068 



.798 



.270 



67.4 



73.3 



57.5 



15.8 



8 



30.000 



.091 



.820 



.271 



68.5 



75.0 



58.0 



17.0 



9 



.023 



.119 



.850 



.269 



70.9 



79.2 



59.5 



19.7 



10 



.031 



.133 



.863 



.270 



73.7 



84.0 



59.5 



24.5 



11 



.020 



.124 



.843 



.281 



76.2 



86.5 



60.5 



26.0 



Noon. 



29.994 



.094 



.816 



.278 



78.2 



87.7 



60.5 



27.2 



1 



.964 



.058 



.773 



.285 



79.7 



89.5 



60.5 



29.0 



2 



.936 



.030 



.734 



.296 



80.7 



91.4 



60.3 



31.1 



3 



.917 



.010 



.705 



.305 



81.4 



91.5 



60.0 



31.5 



4 



.907 



.000 



.698 



.302 



81.2 



91.5 



60.0 



31.5 



5 



.908 



.005 



.692 



.313 



80.3 



90.0 



60.5 



29.5 



6 



.919 



.029 



.697 



.332 



78.1 



86.5 



61.0 



25.5 



7 



.929 



.019 



.715 



.304 



75.7 



83.4 



60.5 



23.9 



8 



.948 



.037 



.739 



.298 



74.2 



81.0 



60.2 



20.8 



9 



.964 



.046 



.760 



.286 



72.9 



79.2 



60.5 



18.7 



10 



.974 



.060 



.771 



.289 



71.8 



78.2 



60.4 



17.8 



11 



.970 



.053 



.761 



.292 



71.1 



77.4 



60.4 



17.0 



^ 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. 



