Meteorological Observations. 



lix 



Abstract of the Results of the Hourly Meteorological Observations 



talcen at the Surveyor General' s Office, Calcutta 



in the month of August, 1857. 



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

 dependent thereon. 





<o£ . 



Range of the Barometer 



3 S 



Range 



of the Temperature 





4J ®" 



for each hour during 



« % 



for each hour d 



uring 





E° ° flH 



the month. 



>>§ 





the month 





Hour. 



2 * © 



53 PQ <n 







<5g 





















• 





03 "c8 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





S" 









2 











Inches. 



Inches. 



Inches. 



Inches. 







o 



o 







Mid- 

 night. 

 1 



29 .545 



29.671 



29.398 



0.273 



80.5 



82.9 



77.6 



5.3 



.531 



.664 



.391 



.273 



80.3 



82.7 



77.4 



5.3 



2 



.514 



.660 



.354 



.306 



80.1 



82.6 



77.6 



5.0 



3 



.508 



.650 



.351 



.299 



80.0 



82.4 



77.5 



4.9 



4 



.502 



.629 



.342 



.287 



79.7 



82.2 



77.6 



4,6 



5 



.507 



.633 



.342 



.291 



79.6 



82.2 



77.6 



4.6 



6 



.524 



.668 



.352 



.316 



79.6 



81.8 



77.8 



4.0 



7 



.539 



.695 



.357 



.338 



80.0 



82.6 



76.6 



6.0 



8 



.552 



.696 



.369 



.327 



81.0 



83.8 



77.8 



6.0 



9 



.558 



.698 



.376 



.322 



82.5 



85.4 



78.8 



6.6 



10 



.560 



.705 



.375 



.330 



83.6 



85.8 



79.4 



6.4 



11 



.550 



.691 



.364 



.327 



84.2 



87.5 



79.8 



7.7 



Noon. 



.534 



.683 



.333 



.350 



84.6 



87.8 



79.9 



7.9 



1 



.514 



.660 



.301 



.359 



84.8 



88.8 



79.4 



9.4 



2 



.491 



.638 



.261 



.377 



84.6 



89.4 



80.8 



8.6 



3 



.472 



.622 



.239 



.383 



84.6 



89.2 



80.6 



8.6 



4 



.461 



.619 



.251 



.368 



84.5 



89.4 



80.6 



8.8 



5 



.462 



.634 



.271 



.363 



83.5 



87.4 



79.9 



7.5 



6 



.474 



.649 



.314 



.335 



82.6 



86.8 



79.4 



7.4 



7 



.494 



.673 



.346 



.327 



81.9 



84.0 



79.5 



4.5 



8 



.521 



.698 



.388 



.310 



81.6 



83.8 



79.6 



4.2 



9 



.544 



.717 



.403 



.314 



81.3 



83.8 



79.7 



4.1 



10 



.560 



.732 



.429 



.303 



81.0 



83.2 



79.4 



3.8 



11 



.556 



.732 



.428 



.304 



80.9 



83.2 



79.4 



3.8 



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

 Thermometers are derived from the observations made at the several honrs 

 during the month. 



