Xlll 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of February ]875. 



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

 dependent thereon. — (Continued). 



Hour. 



Mean Wet Bulb Ther- 

 mometer. 



Dry Bulb above Wet. 







Computed Dew Point. 



p 



> 

 o 

 rQ 

 <& 



p* 



Mean Elastic force of 

 Yapour. 



§•* 



t> o 



o o 

 -£ -.2 

 T» o 



O o ■ 

 -£ o 



Tjf/fTg 



a. ui 

 Is © 



§ S.2 



"3 o p, 



Mean degree of Humi- 

 dity, complete satura- 

 tion being unity. 





















Inches. 



T. gr. 



T. gr. 





Mid- 



















night. 



63.1 



4.6 



59.4 



8.3 



0.513 



5.67 



1.79 



0.76 



1 



62.6 



4.3 



59.2 



7.7 



.509 



.64 



.61 



.78 



2 



62.1 



4,1 



58.8 



7.4 



.503 



.57 



.55 



.78 



3 



61. 7 



3.8 



58.7 



6.8 



.501 



.56 



.42 



.80 



4 



61.3 



3.6 



58.4 



6.5 



.496 



.60 



.35 



.80 



5 



61.0 



3.4 



57.9 



6.5 



.488 



.41 



.33 



.80 



6 



60.7 



:s.l 



57.9 



5.9 



.488 



.42 



.19 



.82 



7 



60.5 



:U 



57.7 



5.9 



.485 



.39 



.18 



.82 



8 



61.3 



4,3 



57.9 



7.7 



.488 



.40 



.60 



.77 



9 



62.8 



72 



57.0 



13.0 



.473 



.20 



2.80 



.65 



10 



63.9 



9.9 



57.0 



16.8 



.473 



.16 



3. 82 



.58 



11 



64.9 



11.7 



56.7 



19.9 



.469 



.08 



4.69 



.52 



Noon. 



65.5 



13.3 



56.2 



22.6 



.461 



4.97 



5.47 



.48 



1 



66.1 



14.1 



56.2 



2-1,0 



.461 



.96 



.92 



.46 



. 2 



66.3 



15.0 



55.8 



25.5 



.455 



.89 



3.35 



.44 



3 



66.6 



15.4 



55.8 



26.2 



.455 



.89 



.58 



.43 



4 



66.4 



15.3 



55.7 



26.0 



.453 



.87 



.50 



.43 



5 



66.2 



14.3 



56.2 



24,3 



.461 



.96 



.02 



.45 



6 



67.1 



10. 4 



59.8 



17.7 



.520 



5.62 



4.42 



.56 



7 



66.3 



8.3 



60.5 



14,1 



.532 



.80 



3.40 



.63 



8 



65 7 



7.0 



60.1 



12.6 



.525 



.74 



2.94 



m 



9 



65.0 



62 



60.0 



11.2 



.523 



.74 



.56 



.69 



10 



61,6 



5.3 



60.4 



9.5 



.530 



.83 



.15 



.73 



11 



63.9 



4.9 



60.0 



8.8 



.523 



.76 



1.95 



.75 



All the Hygrometrical elements are computed by the Greenwich Constants. 



