Meteorological Observations, xi 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office. Calcutta, 



in the month of February, 1865. 



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

 dependent thereon. 







Range 



of the Barometer 



a 2 



Rang 



e of the Temperature 





f s-i 



for each hour c 



uring 



CQ g 



for 



each hour 



luring 





.SPpfa 





the month 





h o 





the montl 



. 



Hour. 



s a ~j 









Q § 

























3 « W 



Max. 



Min. 



Diff. 



iS 



Max. 



Min. 



Diff. 





S 









§ 











Inches. 



Inches. 



Inches. 



Inches. 



















Mid- 

 night. 



29.967 



30.053 



29.873 



0.180 



70.2 



74.6 



66.6 



8.0 



1 



.957 



.051 



.863 



.188 



69.5 



74.6 



65.6 



9.0 



2 



.947 



.044 



.853 



.191 



69.1 



73.6 



64.6 



9.0 



3 



.937 



.035 



.845 



.190 



68.7 



73.0 



64.0 



9.0 



4 



.937 



.036 



.842 



.194 



68.1 



72.2 



63.0 



9.2 



5 



.951 



.044 



.854 



.190 



67,4 



71.8 



62.7 



9.1 



6 



.969 



.068 



.862 



.206 



66.8 



71.1 



62.2 



8.9 



7 



.994 



.086 



.888 



.198 



66.7 



71.6 



61.2 



10.4 



8 



30.023 



.112 



.913 



.199 



69.4 



74.8 



66.0 



8.8 



9 



.048 



.141 



.945 



.196 



72.8 



78.6 



67.8 



10.8 



10 



.059 



.157 



.953 



.204 



75.3 



81.0 



69.0 



12.0 



11 



.048 ■ 



.157 



.917 



.240 



77.1 



83.2 



70.6 



12.6 



Noon. 



.020 



.134 



.904 



.230 



79.3 



85.5 



71.4 



14.1 



1 



29.985 



.081 



.867 



.214 



80.6 



86.4 



72.2 



14.2 



2 



.951 



.048 



.843 



.205 



81.6 



87.0 



75.2 



11.8 



3 



.932 



.025 



.843 



.182 



81.9 



87.8 



76.0 



11.8 



4 



.921 



.015 



.826 



.189 



81.3 



86.8 



75.6 



11.2 



5 



.922 



.019 



.822 



.197 



79.9 



86.0 



74.0 



12.0 



6 



.927 



.033 



.802 



.231 



77.5 



83.0 



73.0 



10.0 



7 



.943 



.047 



.824 



.223 



75.5 



80.6 



72.2 



8.4 



8 



.958 



.055 



.858 



.197 



74.0 



78.8 



71.1 



7.7 



9 



.974 



.070 



.858 



.212 



72.8 



77.3 



70.1 



7.2 



10 



.983 



.077 



.866 



.211 



71.7 



76.4 



68.6 



7.8 



11 



l 



.980 



.073 



.878 



.195 



70.8 



75.2 



67.4 



7.8 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 

 mometer Means are derived from the Observations made at the several hours 

 during the month. 



