Meteoroloi/ica I Obs er vat ions. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of July, 1860. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 



Feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.1 1 



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

 dependent thereon. 





*- '-• I 









-° j_- 











O cu 



Ranee of the Barometer 



pq oj 



Range of the Tern 



nera- 







during the d; 



y- 



TL| 



ture during the 



day. 





S -2 ° 









q a 



— 5 









Date. 









l 











Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





S 









3 











Inches. 



Indies. 



Inches. 



Inches. 







o 











1 



Sunday. 

















2 



29.530 



29.584. 



29.462 



0.122 



85.3 



91.4 



81.0 



10.4 



3 



.521 



.558 



.457 



.101 



85.5 



91.3 



78.6 



12.7 



4 



.524 



.561 



.458 



.103 



85.0 



89.6 



82.2 



7.4 



5 



.539 



.586 



.488 



.098 



85.3 



90.6 



81.4 



9.2 



6 



.532 



.569 



.478 



.091 



85.5 



90.6 



82.5 



8.1 



7 



.500 



.537 



.434 



.103 



85.3 



90.4 



82.0 



8.4 



8 



Sunday. 

















9 



.528 



.561 



".482 



.079 



85.7 



90.8 



81.6 



9.2 



10 



.505 



.566 



.468 



.098 



87.3 



93.8 



82.8 



11.0 



11 



.446 



.494 



.373 



.121 



88.8 



96.8 



82.0 



14.8 



12 



.456 



.519 



.401 



.118 



87.0 



96.4 



83.4 



13.0 



13 



.511 



.575 



.458 



.117 



87.0 



94.0 



81.4 



12.6 



14. 



.534 



.574 



.486 



.088 



85.4 



89.8 



82.0 . 



7.8 



15 



Sunday. 

















16 



.561 



.622 



.515 



.107 



82.6 



87.4 



79.8 



7.6 



17 



.584 



.624 



.527 



.097 



83.2 



88.8 



80.0 



8.8 



IS 



.599 



.644 



.537 



.107 



83.7 



88.6 



80.0 



8.6 



19 



.567 



.605 



.514 



.091 



83.7 



87.2 



80.7 



6.5 



20 



.578 



.619 



.502 



.117 



83.0 



84.8 



80.6 



4.2 



21 



.552 



.592 



.491 



.101 



83.3 



87.8 



80.6 



7.2 



22 



Sunday. 

















23 



.579 



.637 



.536 



.101 



79.4 



81.6 



77.0 



4.6 



24 



.592 



.635 



.532 



.103 



80.7 



87.2 



77.8 



9.4 



25 



.532 



.573 



.476 



.097 



80.7 



83.4 



78.0 



5.4 



26 



.496 



.546 



.434 



.112 



79.6 



80.6 



77.9 



2.7 



27 



.508 



.561 



.460 



.101 



81.6 



84.1 



78.4 



5.7 



28 



.511 



.545 



.464 



.081 



81.8 



87.2 



77.6 



9.6 



29 



Sunday. 

















30 



.512 



.574 



.451 



.123 



82.3 



85.7 



79.0 



6.7 



31 



.537 



.586 



.471 



.115 



82.9 



89.0 



79.2 



9.8 



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

 Thermometers are derived from the twenty-four hourly observations made during 

 the day. 



