Meteorologlca I Observations* 



XXXVI 



Abstract of the Results of the Hourly Meteorological Observation* 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of May 1868. 



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

 dependent thereon. 





Cm -m 

 O c3 



.Range 



of the Barometer 



3 C 



Range of the Tempera- 

 ture for each hour 







for each hour 



during 









the mont. 



i. 





during the month. 



Hour 



















r 1 53 



Max. 



Min. 



Dih°. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 















o 



Mid- 



















night. 



29.771 



29.925 



29.646 



0.279 



80.1 



84.3 



72.3 



12.0 



1 



.758 



.902 



.639 



.263 



79.7 



84.0 



72.0 



12.0 



2 



.748 



.898 



.626 



.272 



79.4 



83.8 



72.0 



11.8 



3 



.740 



.896 



.612 



.284 



79.1 



83.5 



71.8 



11.7 



4 



.743 



.910 



.618 



.292 



78.8 



83.0 



71.5 



11.5 



5 



.758 



.918 



.638 



.280 



78.6 



82.5 



71.5 



11.0 



6 



.775 



.938 



.650 



.288 



78.9 



83.0 



72.0 



11.0 



7 



.799 



.969 



.678 



.291 



80.4 



84.9 



74.0 



10.9 



8 



.816 



.960 



.692 



.268 



82.6 



87.2 



75.5 



11.7 



9 



.826 



.977 



.694 



.283 



85.1 



89.8 



76.0 



13.8 



10 



.825 



.989 



.697 



.292 



87.5 



91.4 



79.0 



12.4 



11 



.814 



.968 



.073 



,29a 



89.5 



93.4 



80.0 



13.4 



Noon. 



.797 



.932 



.661 



.271 



90.9 



95.5 



83.5 



12.0 



1 



.772 



.908 



.643 



.265 



92.1 



97.4 



86.6 



10.8 



2 



.743 



.863 



.615 



.248 



92.4 



98.0 



84.4 



13.6 



3 



.722 



.860 



.588 



.272 



91.6 



97.5 



71.5 



26.0 



4 



.705 



.862 



.570 



.292 



90.8 



97.6 



74.0 



23.3 



5 



.700 



.949 



.561 



.388 



88.8 



96.0 



73.5 



22.5 



6 



.712 



.885 



.557 



.328 



86.7 



94.0 



73.4 



20.6 



7 



.733 



.886 



.580 



.306 



83.8 



90.0 



73.5 



16.5 



8 



.748 



.884 



.607 



.277 



82.7 



88.5 



71.4 



17.1 



9 



.769 



.908 



.639 



.269 



81.7 



86.8 



73.5 



13.3 



10 



.781 



.931 



.654 



.277 



81.2 



85.5 



73.2 



12.3 



11 



.784 



.944 



.661 



.283 



80.4 



85.0 



72.5 



12.5 



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. 



