Meteorological Observations. 



K 



Abstract of the Results of the Hourly Meteorological Observations 

 talcen at the Surveyor General* s Office, Calcutta, 

 in the month of July, 1858. 



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

 dependent thereon. 



Hour. 



Height of 

 Barometer 

 52° Fabt. 



Ran^e of the Barometer for 



each hour during the 



month. 



-° -J 

 PQ « 



Q | 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 



















Max. 



Min. 



Diff. 





Max. 



Min. 



Diff, 





2 









S 











Inches. 



Inches. 



Inches. 



Inches. 







o 







o 



Mid- 

 night. 

 1 



29.585 



29.677 



29.454 



0.223 



81.7 



83.8 



78.2 



5.6 



.573 



.669 



.442 



.227 



81.6 



83.8 



78.3 



5.5 



2 



.559 



.655 



.397 



.258 



81.4 



84.6 



78.6 



6.0 



3 



.551 



.649 



.393 



.256 



81.2 



84.0 



78.4 



5.6 



4 



.546 



.654 



.390 



.264 



81.1 



83.8 



78.5 



5.3 



5 



.557 



.608 



.404 



.264 



81.0 



83.2 



78.4 



4.8 



6 



.574 



.681 



.405 



.276 



81.0 



83.2 



78.0 



5.2 



7 



.586 



.697 



.407 



.290 



81.8 



84.0 



78.4 



5.6 



8 



.599 



.703 



.402 



.301 



83.6 



86.0 



79.2 



6.8 



9 



.605 



.717 



.419 



.298 



85.2 



87.8 



79.8 



8.0 



10 



.606 



.724 



.408 



.316 



86.5 



89.9 



79.6 



10.3 



11 



.597 



.718 



.394 



.324 



87.3 



90.8 



80.2 



10.6 



Noon. 



.583 



.696 



.374 



.322 



87.9 



91.9 



80.0 



11.9 



1 



.562 



.695 



.342 



.353 



87.6 



92.6 



79.4 



13.2 



2 



.540 



.658 



.309 



.349 



87.1 



93.7 



80.9 



12.8 



3 



.524 



.639 



.295 



.344 



86.5 



92.4 



80.8 



11.6 



4 



.511 



.617 



.263 



.354 



85.8 



90.8 



80.2 



10.6 



5 



.517 



.633 



.273 



.360 



85.2 



88.9 



79.8 



9.1 



6 



.524 



.641 



•273 



.368 



84.2 



87.5 



80.2 



7.3 



7 



.543 



.645 



.283 



.362 



83.1 



86.0 



80.4 



5.6 



8 



.565 



.670 



.291 



.379 



82 9 



85.8 



79.8 



6.0 



9 



.586 



.673 



.303 



.370 



82.4 



84.8 



80.2 



4.6 



10 



.598 



.698 



.313 



.385 



82.1 



84.0 



80.2 



3.8 



11 



.598 



.704 



.310 



.294 



81.9 



83.7 



78.4 



5.3 



The Mean height of the Barometer, as likewise the Mean Dry and Wet Eulb 

 Thermometers, are derived from the observations made at the several hours 

 during the month. 



