Meteorological Observations. 



lix 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's OJ/lce, Calcutta, 

 in the month of January, 1860. 



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

 dependent thereon. 





O <D 



Range o 



f the Barometer for 



5 u 

 -I 



Range of the Tempera- 







each hour during the 

 month. 



ture for each hour 

 during the 



Hour. 



««?, 









«a 



month. 









1 











Mas. 



Min. 



Biff. 





Max. 



Min. 



Diff. 





|~ « 



















Inches. 



Inches. 



Inches. 



Inches. 



O 















Mid- 

 night. 



30.017 



30.114 



29.930 



.184 



61.7 



68.4 



57.2 



11.2 



1 



.011 



.115 



.928 



.187 



61.0 



67.8 



56.4 



11.4 



2 



.004 



.108 



.915 



.193 



60.2 



67.2 



55.6 



11.6 



3 



29.998 



.096 



.911 



.185 



59.7 



67.7 



55.0 



12.7 



4 



.993 



.095 



.902 



.193 



58.9 



68.2 



54.5 



13.7 



5 



30.004 



.109 



.915 



.194 



58.6 



67.7 



53.7 



14.0 



6 



.016 



.125 



.927 



.198 



57.9 



67.0 



52.8 



14.2 



7 



.035 



.141 



.947 



.194 



57.7 



67.4 



52.7 



14.7 



8 



.062 



.151 



.977 



.174 



60.4 



68.4 



55.9 



12.5 



9 



.089 



.203 



30.004 



.199 



64.1 



70.8 



59.0 



11.8 



10 



.096 



.199 



.005 



.194 



67.7 



73.2 



62.8 



10.4 



11 



.078 



.177 



29.982 



.195 



71.1 



77.4 



66.2 



11.2 



Noon. 



.048 



.136 



.959 



.177 



74.2 



79.6 



69.2 



10.4 



1 



.013 



.096 



.924 



.172 



76.2 



82.0 



71.2 



10.8 



2 



29.985 



.071 



.886 



.185 



77.3 



83.8 



72,1 



11.7 



3 



.968 



.056 



.881 



.175 



77.4 



84.4 



71.8 



12.6 



4 



.962 



.048 



.878 



.170 



75.3 



82.6 



69.4 



13.2 



5 



.967 



.053 



.882 



.171 



73.3 



80.2 



68.0 



12.2 



6 



.976 



.064 



•900 



.164 



70.4 



78.6 



64.8 



13.8 



7 



.994 



.093 



.907 



.186 



68.0 



74.8 



62.7 



12.1 



8 



30.010 



.111 



.930 



.181 



66.4 



73.4 



61.2 



12.2 



9 



.023 



.118 



.941 



.177 



65.3 



71.4 



60.0 



11.4 



10 



.027 



.130 



.949 



.181 



64.0 



70.6 



59.4 



11.2 



11 



.019 



.105 



.947 



.158 



63.3 



70.2 



58.6 



11.6 



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

 Thermometers are derived from the observations made at the several hour* 

 during the month. 



