Meteorological Observations 



sxvm 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of April 1875. 



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



dependent thereon. 





o ™ 



.Range 



if the Barometer 



r£5 



Uange of the Tempera- 







for each hour during 

 the month. 





te re 

 duri) 



for each hour 

 g the mouth. 





•53 a* 









£.9 









Hour. 









p a 













Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





si 



















Inches. 



Inches. 



Inches. 



Inches. 



O 







o 



o 



Mid- 



















night. 



29.716 



29.851 



29.602 



0.249 



80.7 



83.7 



74.5 



9.2 



1 



.704 



.840 



.572 



.268 



80.1 



83.0 



74.5 



8.5 



2 



.694 



.825 



.566 



.259 



79.7 



83.3 



74,2 



9.1 



3 



.685 



.813 



.559 



.251 



79.3 



83.5 



73.7 



9.8 



4 



.686 



.804 



.560 



.244 



78.9 



83.5 



' 73.5 



10.0 



5 



.701 



.807 



.586 



.221 



78.7 



83.5 



73.4 



10.1 



6 



.718 



.824 



.594 



.230 



78.5 



83.2 



73.3 



9.9 



7 



.739 



.849 



.609 



.240 



79.4 



83.8 



74.0 



9.8 



8 



.761 



.892 



.622 



.270 



81.9 



85.7 



76.3 



9.4 



9 



.772 



.912 



.633 



.279 



85.2 



88.5 



77.5 



11.0 



10 



.771 



.911 



.630 



.281 



88.2 



92.0 



80.0 



12.0 



11 



.760 



.899 



.615 



.284 



91.0 



96.2 



81.0 



15.2 



Noon. 



.739 



.873 



.602 



.271 



93.0 



98.8 



83.6 



15.2 



1 



.709 



.830 



.567 



.263 



93.9 



100.6 



805 



20.1 



2 



.681 



.800 



.512 



.25S 



94.5 



101.9 



83.0 



18.9 



3 



.658 



.776 



.516 



.260 



94.8 



102.5 



84.4 



18.1 



4 



.641 



.771 



.488 



.283 



94.4 



102.5 



85.0 



17.5 



5 



.637 



.766 



.515 



.251 



92.2 



101.2 



81.0 



20.2 



6 



.647 



.772 



.530 



.242 



88.8 



96.9 



74.5 



22.4 



7 



.668 



.808 



.555 



.253 



86.1 



90.3 



74.5 



15.8 



8 



.689 



.824 



.565 



.259 



83.9 



87.4 



75.0 



12.4 



9 



.712 



.835 



.591 



• .244 



82.7 



85.5 



75.5 



10.0 



10 



.720 



.861 



.589 



.272 



81.7 



84.5 



75.5 



9.0 



11 



.720 



.855 



.602 



'.253 



81.3 



84.0 



75.2 



8.8 



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

 Thermometer Means arc derived from the observations made at the several 

 hours during the month. 



