Meteor o logical Observatio ns. 



xix 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General' s Office, Calcutta, 



in the month of March, 1857. 



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

 dependent thereon. 





*3 • 



Range of the Barometer 



-3 2 



Range 



of the Temperature 





| s-5 



for each hour during 





for each hour d 



tiring 





•s 2* 



the month. 





the month 





Hour. 



ffl PQ <N 







Si 



























Max. 



Min. 



Diff. 



c 2 



Max. 



Min. 



Diff. 





s 









§ 











Inches. 



Inches. 



Inches. 



Inches. 



O 



o 







o 



Mid- 



night. 



29 .836 



29.977 



29.690 



0.287 



76.1 



80.8 



67.0 



13 8 



1 



.830 



.966 



.686 



.280 



75.3 



80.8 



66.7 



14.1 



2 



.819 



.950 



.682 



.268 



74.8 



80.2 



66.1 



14.1 



3 



.816 



.938 



.671 



.267 



74.2 



80.2 



65.5 



14.7 



4 



.808 



.935 



.665 



.270 



73.7 



80.2 



65.3 



14.9 



5 



.819 



.940 



.683 



.257 



73.3 



79.6 



65.0 



14.6 



6 



.838 



.963 



.694 



.269 



72.9 



78.8 



64.8 



14.0 



7 



.863 



30.005 



.714 



.291 



73.1 



78.8 



65.0 



13.8 



8 



.895 



.064 



.750 



.310 



76.0 



81.7 



67.7 



14.0 



9 



.913 



.061 



.758 



.303 



79.1 



84.1 



67.2 



16.9 



10 



.917 



.080 



.759 



.321 



81.7 



88.0 



67.0 



21.0 



11 



.903 



.066 



.738 



.328 



84.9 



92.9 



67.7 



25.2 



Noon, 



.876 



.035 



.720 



.315 



87.2 



96.3 



67.8 



28.5 



1 



.842 



29.997 



.675 



.322 



89.0 



98.2 



67.9 



30.3 



2 



.812 



.969 



.652 



.317 



89.9 



99.2 



69.8 



29.4 



3 



.788 



.951 



.617 



.334 



90.5 



100.0 



69.9 



30.1 



4 



.774 



.942 



.598 



.344 



90.2 



100.2 



70.0 



30.2 



5 



.772 



.945 



.584 



.361 



88.4 



98.4 



69.8 



28.6 



6 



.781 



.951 



.583 



.368 



84.8 



92.6 



67.8 



24.8 



7 



.797 



.958 



.601 



.357 



82.3 



90.2 



68.6 



21.6 



8 



.821 



.980 



.632 



.348 



80.3 



87.1 



68.2 



18.9 



9 



.836 



.988 



.652 



.336 



78.9 



84.2 



68.6 



15.6 



10 



.849 



.992 



.659 



.333 



77.3 



82.8 



67.4 



15.4 



11 



.844 



.980 



.666 



.314 



76.6 



81.8 



66.8 



15.0 



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. 



