lii 



Meteorological Observa lions. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of July 1867. 



Hourly Means, <fcc. of the Observations and of the Hygrometrical elements 

 dependent thereon. — (Continued.) 



Hour. 



Mean Wet Bulb Ther- 

 mometer 



I 



■a 



| 



P 



1 



p 



1 

 1 



P 



t 



o 



•a 



Mean Elastic force of 

 Vapour. 



e+-. ^ 

 O o 



I' 2 



•SP.S 



S- 



Additional Weight of 

 Vapour required for 

 complete saturation. 



Mean degree of Humi- 

 dity, complete satura- 

 tion being unity. 









o 



O 







Inches. 



T.gr. 



T.gr. 





Mid- 



















night. 



80.2 



1.7 



79.0 



2.9 



0.970 



10.44 



1.00 



0.91 



1 



80.1 



1.7 



78.9 



2.9 



.967 



.41 



0.99 



.91 



2 



80.0 



1.6 



78.9 



2.7 



.967 



.41 



.93 



.92 



3 



79.8 



1.6 



78.7 



2.7 



.961 



.35 



.92 



.92 



4 



79.7 



1.5 



78.6 



2.6 



.958 



.32 



.89 



.92 



5 



79.6 



1.4 



78.6 



2.4 



.958 



.34 



.80 



.93 



6 



79.8 



1.3 



78.9 



2.2 



.967 



.43 



.74 



.93 



7 



80.1 



1.8 



78.8 



3.1 



.964 



.38 



1.06 



.91 



8 



80.6 



2.3 



79.0 



3.9 



.970 



.42 



.37 



.88 



9 



81.1 



3.0 



79.0 



5.1 



.970 



.40 



.81 



.85 



10 



81.5 



3.8 



78.8 



6.5 



.964 



.29 



2.35 



.81 



11 



82.0 



4.4 



78.9 



7.5 



.967 



.30 



.76 



.79 



Noon. 



82.0 



5.0 



79.0 



8.0 



.970 



.33 



.96 



.78 



1 



82.0 



5.3 



78.8 



8.5 



.964 



.25 



3.16 



.76 



2 



82.1 



5.0 



79.1 



8.0 



.973 



.36 



2.97 



.78 



3 



81.7 



4.8 



78.8 



7.7 



.964 



.27 



.83 



.78 



4 



81.6 



4.5 



78.4 



7.7 



.952 



.15 



.80 



.78 



5 



81.1 



4.3 



78.1 



7.3 



.943 



.08 



.60 



.80 



6 



80.9 



3.2 



78.7 



5.4 



.961 



.31 



1.90 



.84 



7 



80.6 



2.8 



78.6 



4.8 



.958 



.28 



.68 



.86 



8 



80.5 



2.5 



78.7 



4.3 



.961 



.33 



.49 



.87 



9 



80.4 



2.3 



78.8 



3.9 



.964 



.36 



.36 



.88 



10 



80.3 



2.1 



78.8 



3.6 



.964 



.36 



.25 



.89 



11 



80.1 



1.9 



78.8 



3.2 



.964 



.38 



.09 



.91 



All the Hygrometrical elements are computed by the Greenwich Constants. 



