Meteorological Observations.* xix 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of March? 1864. 



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

 dependent thereon. 



c 



i 5 . 



Range 



of the Barometer 



J3 J~* 



Rang 



e of the Temperature 



i 



« S OS 



for each hour t 



uring 



>* o 



for 



each hour 



during 



i 

 Hour. ^ 







the month 



. 





the montl 



. 















c 



a 

 a 



3 CD °° 



Max. 



Min. 



Diff. 



c 2 



Max. 



Min. 



Diff. 



% 



! 









g 









Ir 



iches. 



Inches. 



Inches. 



Inches. 



O 















Mid- 

 night, zy 



.877 



30.040 



29.793 



0.247 



75.0 



80.5 



68.4 



12.1 



1 



.868 



.013 



.776 



.237 



74.2 



80.0 



669 



13.1 



2 



.848 



29.966 



.756 



.210 



74.0 



79.4 



66.4 



13.0 



3 



.846 



30.008 



.752 



.256 



73.3 



79.0 



64.6 



14.4 



4 



.846 



.016 



.765 



.251 



72.7 



78.0 



63.2 



14.8 



5 



.863 



.029 



.781 



.248 



72.2 



77,4 



62.0 



15.4 



6 



.881 



.043 



.792 



.251 



71.7 



76.8 



61.2 



15.6 



7 



.904 



.074 



.824 



.250 



72.1 



77.8 



62.2 



15.6 



8 



.931 



.099 



.850 



.249 



75.4 



79.8 



68.4 



11.4 



9 



.950 



.118 



.866 



.252 



78.5 



83.4 



73.2 



10.2 



10 



953 



.124 



.861 



,263 



81.2 



85.5 



75.4 



10.1 



11 



943 



.102 



.843 



.259 



83.6 



87.9 



77.6 



10.3 



Noon. 



917 



.082 



.814 



.268 



85.7 



90.2 



80.4 



9.8 



1 



886 



.049 



.774 



.275 



87.3 



91.7 



"81.2 



10.5 



2 



856 



.013 



.745 



.268 



88.1 



91.8 



81.9 



9.9 



3 



833 



29.988 



.725 



.263 



88.5 



92.8 



83.6 



9.2 



4 



822 



.995 



.719 



.276 



88.0 



92.4 



82.4 



10.0 



5 



822 



30.012 



.718 



.294 



86.1 



90.8 



82.0 



8.8 



8 



828 



29.987 



.712 | 



.275 



82.6 



86.8 



72.8 



14.0 



7 



845 



.994 



.757 



.237 



80.1 



85.4 



74.2 



11.2 



8 



866 



30.011 



.782 



.229 



78.6 



83.0 



73.0 



10.0 



9 



885 



.017 ' 



.798 



.219 



77.0 



81.7 



71.2 



10.5 



10 



897 



.049 



.803 



.246 



76.2 



81.0 



70.0 



11.0 



11 



898 



i 

 1 



.052 



.795 



i 



.257 



75.1 



79.8 



68.4 



11.4 



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. 



