Meteorological Ohservations, 



Ábstract of the Results of the Hourly Meteorological Observations 

 taken at the Survei/or General* s Office, Calcutta, 

 in the month of January, 1880. 



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

 dependent thereon. 





O <D 



Range of the Barometer for 



each hour during the 



month. 



í2 u 



Range of the Tempera- 

 ture for each hour 

 during the 



Hour. 











Qg 



month. 





















üS ,£3 -u 



Max. 



Min. 



Diff. 



«J 



Max. 



Min. 



Diff. 













£ 











loches. 



Inches. 



Inches. 



Inches. 











o 



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 tlic Barometer, as likewise the Mean Dry and Wet Bulb 

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

 during the month. 



