Meteorological Observations. 



xix 



Abstract of the "Results of tlie Hourly Meteorological Observations 



talcen at the Surveyor General's Office, Calcutta, 



in the month of March, 1858. 



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

 dependent thereon. 





°l~ 



Range 



af the Barometer 





Range of the Temperature 





5 ai 



for each hour during 



>> o 



c g 



for each hour during 



Hour. 





the month. 





the month 



. 





Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 





§ 









S 











Inches. 



Inches. 



Inches. 



Inches. 



o 







o 







Mid- 

 night. 



29.857 



29.969 



29.729 



0.240 



76.6 



80.0 



68.0 



12.0 



1 



.846 



.955 



.722 



.233 



76.0 



79.2 



68.2 



11.0 



2 



.833 



.935 



.718 



.217 



75.5 



78.6 



68.5 



10.1 



3 



.821 



.927 



.709 



.218 



75.4 



78.0 



69.4 



8.6 



4 



.821 



.935 



.702 



.233 



74.5 



77.9 



68.2 



9.7 



5 



.832 



.942 



.710 



.232 



74.5 



77.6 



68.0 



9.6 



6 



.853 



.965 



.753 



.212 



73.9 



77.8 



67.0 



10.8 



7 



.878 



.989 



.775 



.214 



74.1 



78.6 



67.0 



11.6 



8 



.909 



30 007 



.801 



.206 



76.9 



79.6 



71.6 



8.0 



9 



.927 



.016 



.824 



.192 



79.9 



84.2 



74.8 



9.4 



10 



.928 



.009 



.822 



.187 



82.9 



87.8 



76.2 



11.6 



11 



.912 



.014 



.807 



.207 



85.8 



90.8 



79.3 



11.5 



Noon. 



.887 



29.990 



.785 



.205 



88.2 



93.4 



81.4 



12.0 



1 



.855 



.964 



.751 



.213 



90.0 



95.7 



83.2 



12.5 



2 



.822 



.926 



.725 



.201 



90.9 



96.4 



84.6 



11.8 



3 



.800 



.897 



.698 



.199 



91 4 



97.0 



85.4 



11.6 



4 



.787 



.885 



.694 



.191 



90.8 



95.6 



85.0 



10.6 



5 



.784 



.878 



.686 



.192 



88.8 



94.8 



83.0 



11.8 



6 



.795 



.885 



.687 



.198 



85.6 



89.7 



80.6 



9.1 



7 



.807 



.882 



.695 



.187 



82.8 



87.2 



78.0 



9.2 



8 



.833 



.905 



.716 



.189 



80.9 



85.4 



75.8 



9.6 



9 



.857 



.942 ' 



.740 



.202 



79.2 



84.0 



69.6 



14.4 



10 



.866 



.962 



.755 



.207 



78.4 



84.0 



69.3 



14.7 



11 



.866 



.957 



■ 757 



.200 



77.6 



82.0 



68.8 



13.2 



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

 Thermometers, are derived from the observations made at the several hours 

 during the month. 



