Meteorological Observations. 



xxxv 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General' s O/fice, Calcutta, 



in the month of May, 1865. 



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

 dependent thereon. 





— 



Range of the Barometer 



"3 3 



Range of the Temperature 





£ sl 



for each hour t 



tiring 



£0 X 



for 



each hour ( 



luring 





60 o e2 



the month 





r^ S 





the mont.l 





Hour. 



22 £3 Jj 







c g 

























cm 10 

 3 5 « 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





|" 



















Inches. 



Inches. 



Inches. 



Inches. 



















Mid- 

 night. 



29.661 



29.827 



29.465 



0.362 



80.6 



85.0 



76.8 



8.2 



1 



.651 



.811 



.458 



.353 



80.2 



85.0 



75.4 



9.6 



2 



.635 



.804 



.447 



.357 



79.8 



85.0 



73.0 



12.0 



3 



.642 



.806 



.463 



.343 



79 6 



84 8 



73.6 



11.2 



4 



.630 



.808 



.445 



.363 



79.7 



83.8 



73 2 



10.6 



5 



.651 



.824 



.449 



.375 



79.5 



84.0 



73.6 



10.4 



6 



.667 



.826 



.468 



.358 



79.7 



83.8 



73.6 



10.2 



7 



.681 



.832 



.477 



.355 



80.7 



84.6 



73.0 



11.6 



8 



.693 



.842 



.475 



.367 



82.7 



87.0 



74.2 



128 



9 



.705 



.854 



.492 



.362 



84.7 



88.8 



74.3 



14.5 



10 



.702 



.851 



.497 



.354 



S6.2 



90.3 



76.0 



14.3 



11 



.692 



.S43 



.482 



.361 



87.5 



92.0 



77.9 



14.1 



Noon. 



.671 



.827 



.473 



.354 



88.6 



. 92.6 



80.8 



11.8 



1 



.650 



.806 



.445 



.361 



88.7 



93.6 



77.3 



16.3 



2 



.625 



.784 



.427 



.357 



88.8 



94.3 



77.5 



16.8 



3 



.605 



.773 



.418 



.355 



88.5 



94.8 



76.4 



18.4 



4 



.587 



.750 



.415 



.335 



87 8 



94.8 



77.3 



17.5 



5 



.592 



.759 



.423 



.336 



86.5 



94.4 



78.0 



16.4 



6 



.601 



.753 



.429 



.324 



84.6 



90.2 



77.8 



12.4 



7 



.626 



.771 



.446 



.325 



82.7 



87.9 



75.6 



12.3 



8 



.645 



.773 



.454 



.319 



81.6 



87 7 



75.6 



121 



9 



.661 



.786 



.469 



.317 



81.3 



86.7 



76.3 



10.4 



10 



.678 



.815 



.486 



.329 



81.1 



85.6 



75.8 



9.8 



11 



.674 



.824 



.473 1 



.351 



80.6 



85.0 



73.0 



12.0 



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

 mometer Means are derived from the Observations made at the several hours 

 during the month. 



