XX 



Meteo ro log lea I Obs&rva tw v * , 



Abstract of the Remit* of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of March 1869. 



Hourly Means, &c. of the Observations and of the Hy geometrical elements 



dependent thereon. — (Continued.) 



Hour. 



Mean Wet Bulb Ther- 

 mometer. 



o 



■a 



PQ 

 P 



'o 



p 



o 



s 



o 

 o 



P 



a 

 o 



-a 



Mean Elastic force of 

 Yapour. 



> o 



O o 



be a 



'Z ^Q 



i- 



° d 



Additional Weight of 

 Vapour required for 

 complete saturation. 



Mean degree of Humi- 

 dity, complete satura- 

 tion being unity. 









o 



o 



o 



Inches. 



T. gr. 



T. gr. 





Mid- 



















night. 



72.6 



3.8 



69.9 



6.5 



0.725 



7.87 



1.85 



0.81 



1 



72.5 



3.5 



70.0 



6.0 



.727 



.90 



.70 



.82 



2 



72.2 



3.4 



69.8 



5.8 



.722 



.85 



.63 



.83 



3 



72.0 



3.2 



69.8 



5.4 



.722 



.87 



.50 



.84 



4 



72.0 



2.6 



70.2 



4.4 



.732 



.99 



.21 



.87 



5 



71.8 



2.4 



70.1 



4.1 



.729 



.97 



.12 



.88 



6 



71.7 



2.3 



70.1 



3.9 



.729 



.97 



.07 



.88 



7 



72.1 



2.2 



70.6 



3.7 



.741 



8.08 



.04 



.89 



8 



73.0 



3.3 



70.7 



5.6 



.744 



.08 



.61 



.83 



9 



73.3 



5.3 



69.6 



9.0 



.717 



7.76 



2.62 



.75 



10 



73.6 



7.4 



68.4 



12.6 



.690 



.42 



3.72 



.67 



11 



74.0 



9.2 



67.6 



15.6 



.672 



.20 



4.69 



.61 



Noon. 



74.1 



10.7 



66.6 



18.2 



.651 



6.95 



5.51 



.56 



1 



74.2 



11.9 



65.9 



20.2 



.636 



.78 



6.17 



.52 



2 



74.1 



12.8 



66.4 



20.5 



.646 



.87 



.38 



.52 



3 



74.2 



13.0 



66.4 



20.8 



.646 



.87 



.50 



.51 



4 



74.4 



13.0 



66.6 



20.8 



.651 



.91 



.54 



.51 



5 



74.4 



12.3 



67.0 



19.7 



.659 



7.01 



.17 



.53 



6 



74.7 



9.8 



67.8 



16.7 



.677 



.23 



5.12 



.59 



7 



74.5 



7.8 



69.0 



13.3 



.704 



.56 



4.02 



.65 



8 



74.1 



6.8 



69.3 



11.6 



.711 



.64 



3.46 



.69 



9 



73.6 



5.7 



69.6 



9.7 



.717 



.74 



2.85 



.73 



10 



73.3 



5.0 



69.8 



8.5 



.722 



.81 



.47 



.76 



11 



73.1 



4.3 



70.1 



7.3 



.729 



.92 



.09 



.79 



All the Hy grometrical elements arc computed by the Greenwich Constants, 





