xlvi 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of June 1870. 



Hourly Means, Sic. of the Observations and of the Hygroraetrical elements 

 dependent thereon. — (Continued.) 



Hour. 



o 

 H 



K~ <T) 



i § 



Dry Bulb above Wet. 



-t-s 



.9 



*o 

 o 



p 



o 



s 



o 

 Q 



Dry Bulb above Dew 

 Point. 



Cm 



O 



o 



H 



eg 



03 



m Weight of Vapour 

 in a Cubic foot of air. 



Additional Weight of 

 our required for 

 complete saturation. 



Mean degree of Humi- 

 dity, complete satura- 

 tion being unity. 













o 







Inches. 



T. gr. 



T.gr. 





Mid- 



















night. 



79.5 



2.5 



77.7 



4.3 



0.931 



10.02 



1.45 



0.87 



1 



79.5 



2.3 



77.9 



3.9 



.937 



.08 



.32 



.88 



2 



79,1 



2.2 



77.9 



3.7 



.937 



.08 



J28 



.89 



3 



79.4 



1.9 



78.1 



3.2 



.943 



.16 



.08 



.90 



4 



79.4 



1.8 



78.1 



3.1 



.9 13 



.16 



.05 



.91 



5 



79.3 



1.8 



78.0 



3.L 



.910 



.13 



.01 



.91 



6 



70,5 



1.7 



78.3 



2.9 



.949 



.22 



0.99 



.91 



7 



80.2 



2 2 



78.7 



3.7 



.961 



.33 



1.28 



.89 



8 



80.9 



3^2 



7S.7 



5.4 



.961 



.31 



.90 



.84 



9 



81.4 



4.3 



78.4 



7.3 



.952 



.17 



2.63 



.80 



10 



81.7 



5.3 



78.5 



8.5 



.955 



.16 



3.13 



.76 



11 



81.9 



6.2 



78.2 



9.9 



.946 



.05 



.67 



•73 



Noon . 



81.9 



6.5 



78.0 



10.4 



.940 



9.99 



.85 



.72 



1 



81.6 



7.3 



77.2 



11.7 



.916 



.71 



4.33 



.69 



2 



81.5 



7.6 



76.9 



12.2 



.90S 



.62 



.50 



.68 



3 



81.6 



7.4 



77.2 



11.8 



.916 



.71 



.37 



.69 



4 



81.4 



7.2 



77.1 



11.6 



.913 



.68 



.24 



.70 



5 



81.1 



6.7 



77.1 



10.7 



.913 



.70 



3.90 



.71 



6 



80.8 



5.8 



77.3 



9.3 



.919 



.80 



.31 



.75 



7 



80.5 



4.7 



77.2 



8.0 



.916 



.79 



2.82 



.78 



8 



80.1 



4.0 



77.3 



6.8 



.919 



.84 



.37 



.81 



9 



79.7 



3.2 



77.5 



5.4 



.925 



.94 



1.85 



.84 



10 



79.3 



2.8 



77.3 



4.8 



.919 



.88 



.63 



.86 



11 



79.4 



2.7 



77.5 



4.6 



.925 



.94 



.57 



.86 



All the Hy geometrical elements are computed by the Greenwich Constants. 



