Meteorological Observations. 



Abstract of tie Besults of tie Hourly Meteorological Observations 

 taken at tie Surveyor General's Office, Calcutta, 

 in tie month of July, 1860. 



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

 dependent thereon. 





o ° .1 



Range of the Barometer 



^ CD 



Range 



of the Temperature 





S £ -5 



for each hour during 



ffl | 



for each hour d 



uring 





Up ° & 



the month. 





>»0 





the month 





Hour. 



S (S.cj 































a 2 M 



Max. 



Min. 



Diff. 



C - 



Max. 



Min. 



Diff. 





1" 









S 











Inches. 



Inches. 



Inches. 



Inches. 



















Mid- 

 night. 



29.549 



29.630 



29.459 



0.171 



82.1 



86.0 



78.4 



7.6 



1 



.537 



.609 



.447 



.162 



81.7 



85.8 



77.3 



8.5 



2 



.530 



.605 



.436 



.169 



81.4 



85.4 



77.8 



7.6 



3 



.519 



.602 



.420 



.182 



81.2 



84.8 



77.6 



7.2 



4 



.518 



.597 



.421 



.176 



80.7 



84.6 



77.0 



7.6 



5 



.524 



.600 



.431 



.169 



80.7 



84.4 



77.6 



6.8 



6 



.537 



.608 



.450 



.158 



80.6 



84.2 



77.8 



6.4 



7 



.551 



.623 



.469 



.154 



81.3 



85.2 



78.2 



7.0 



8 



.564 



.644 



.479 



.165 



83.4 



87.8 



78.6 



9.2 



9 



.569 



.643 



.490 



.153 



84.6 



89.4 



78.0 



11.4 



10 



.568 



.631 



.484 



.147 



86.1 



91.6 



78.6 



13.0 



11 



.563 



.637 



.477 



.160 



87.0 



93.7 



79.6 



14.1 



Noon. 



.547 



.616 



.457 



.159 



87.6 



95.0 



79.5 



15.5 



1 



.531 



.613 



.437 



.176 



87.6 



96.4 



79.6 



16.8 



2 



.508 



.588 



.414 



.174 



87.3 



96.8 



80.4 



16.4 



3 



.493 



.569 



.401 



.168 



86.7 



96.8 



80.4 



16.4 



4 



.479 



.547 



.373 



.174 



86.4 



96.8 



80.4 



16.4 



5 



.479 



.541 



.376 



.165 



85.9 



94.4 



80.6 



13.8 



6 



.490 



.552 



.392 



.160 



85.0 



92.2 



80.6 



11.6 



7 



.509 



.579 



.398 



.181 



84.1 



91.4 



78.8 



12.6 



8 



.529 



.597 



.436 



.161 



83.6 



88.8 



79.3 



9.5 



9 



.548 



.616 



.458 



.158 



83.0 



86.6 



79.6 



7.0 



10 



.558 



.637 



.472 



.165 



827 



86.4 



79.0 



7.4 



11 



.560 



.637 



.469 



.168 



82.4 



86.0 



78.8 



7.2 



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

 Thermometers are derived from the observations made at the several hours 

 during the month. 



