Meteorological Observations. 



xliii 



Abstract of tie Results of tie Hourly Meteorological Observations 



taken at the Surveyor General' s Office, Calcutta, 



in the month of June, 1864. 



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

 dependent thereon. 





t of 



eter 



Range 



of the Barometer 



X> 5-' 



»— < CD 



Range of the Temperature 



Hour. 



S3 fc 



for each hour during 

 the month. 



c5 a 



c 2 



for 



each hour 

 the montl 



luring 





Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 



, 



a 









% 











Inches. 



Inches. 



Inches. 



Inches. 



O 



o 











Mid- 

 night. 



29.561 



29.641 



29.498 



0.143 



82.6 



86.0 



77.0 



9.0 



1 



.552 



.628 



.476 



.152 



82.2 



85.4 



77.0 



8.4 



2 



.544 



.623 



.464 



.159 



82.0 



85.0 



75.0 



10.0 



3 



.536 



.614 



.469 



.145 



81.5 



84.6 



76.0 



8.6 



4 



.539 



.601 



.455 



.146 



81.5 



85.0 



76.0 



9.0 



5 



.544 



.600 



.478 ' 



.122 



81.4 



84.6 



76.4 



8.2 



6 



.560 



.637 



.498 



.139 



81.7 



84.8 



77.0 



7.8 



7 



.572 



.657 



.515 



.142 



82.5 



86.6 



77.8 



8.8 



8 



.585 



.672 



.530 



.142 



84.4 



88.5 



78.2 



10.3 



9 



.591 



.671 



.525 



.146 



86.6 



90.8 



77.2 



13.6 



10 



.590 



.668 



.519 



.149 



88.0 



92.8 



77.8 



15.0 



11 



.581 



.644 



.516 



.128 



89.2 



94.6 



78.0 



16.6 



Noon. 



.564 



.626 



.502 



.124 



90.2 



95.8 



79.6 



16.2 



1 



.546 



.606 



.473 



.133 



90.7 



96.6 



79.2 



17.4 



2 



.528 



.579 



.464 



.115 



91,0 



97.4 



78.6 



18.8 



3 



.510 



.569 



.434 



.135 



90.4 



96.2 



80.0 



16.2 



4 



.495 



.552 



.429 



.123 



89.7 



95.2 



81.0 



14.2 



5 



.493 



.572 



.445 



.127 



88.8 



94.0 



81.4 



12.6 



6 



.501 



.639 



.447 



.192 



87.4 



92.3 



81.4 



10.9 



i 



.518 



.612 



.445 



.167 



85.5 



89.7 



76.0 



13.7 



8 



.541 



.618 



.465 



.153 



84.5 



88.4 



76.8 



11.6 



9 



.559 



.634 ' 



.486 



.148 



83.6 



87.5 



78.0 



9.5 



10 



.574 



.628 



.511 



.117 



82.8 



86.8 



77.0 



9.8 



11 



.468 



.614 



.510 



.104 



82.1 



86.0 



76.6 



9.4 



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

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

 during the month. 



n 



