Meteorological Observations 



XXXV 1 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of May 1875. 



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



dependent thereon. 





O » 



JJ-ange of the Barometer 



• :3 



Range of the Tempera- 





■s a r rf 



for each hour <: 

 the month 



uring 



CD 



o?3 



ture for each hour 

 during the month. 



Hour. 



Max. 



Min. 



Diff. 



Max. 



Min. 



Did, 





g| 











.. 









Inches. 



Inches. 



Inches. 



Inches. 















o 



Mid- 

 night. 



29.708 



29.862 



29.573 



0.289 



79.4 



83.9 



72.9 



11.0 



1 



.694 



.836 



.579 



.257 



79.3 



83.5 



74.7 



8.8 



2 



.684 



.797 



.584 



.213 



79.3 



84.0 



74,5 



9.5 



3 



.677 



.778 



.577 



.201 



79.0 



84,0 



74,5 



9.5 



4 



.680 



.815 



.582 



.233 



78.7 



83.5 



' 73.0 



10.5 



5 



.698 



.863 



.592 



.271 



78.6 



83.0 



74.0 



9.0 



6 



.714 



.896 



.609 



.287 



78.8 



83.0 



74.5 



8.5 



7 



.734 



.912 



.631 



.281 



80.1 



84,3 



74.5 



9.8 



8 



.749 



.881 



.655 



.226 



82.7 



86.5 



74.5 



12.0 



9 



.757 



.879 



.666 



.213 



85.6 



89.3 



77.5 



11.8 



10 



.756 



.873 



.668 



.205 



88.0 



91.4 



81.0 



10.4 



11 



.745 



.861 



.649 



.212 



89.4 



92.8 



78.5 



14.3 



Noon. 



.728 



.844 



.636 



.208 



90.8 



94.3 



79.3 



15.0 



1 



.701 



.825 



.594 



.231 



91.9 



94.5 



82-5 



12.0 



2 



.673 



.793 



.565 



.228 



92.5 



95.5 



84.7 



10.8 



3 



.649 



.771 



.551 



.220 



92.1 



96.0 



S4.0 



12.0 



4 



.626 



.754 



.528 



.226 



91.0 



95.7 



83.0 



12.7 



5 



.619 



.740 



.519 



.221 



89.8 



93.5 



81.3 



12.2 



6 



.636 



.759 



.541 



.215 



87.7 



92.0 



81.5 



10.5 



7 



.664 



.798 



.566 



.232 



85.2 



89.5 



76.5 



13.0 



8 



.695 



.824 



.582 



.242 



83.2 



87.3 



72.5 



14.8 



9 



.712 



.822 



.601 



• .221 



81.1 



86.0 



73.5 



12.5 



10 



.721 



.862 



.616 



.246 



so. 3 



85.4 



73.5 



11.9 



11 



.723 



.896 



.603 



.293 



79.6 



84.5 



72.5 



12.0 



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

 Thermometer Means are derived from the observations made at the several 

 hours during the month. 



