lii 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor OeneraVs Office, Calcutta, 



in the month of July, 1865. 



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

 dependent thereon. — (Continued.) 



Hour. 



3 



pq 



% a 



a | 



> 

 o 



XI 



C8 



jQ 



"3 



pq 



o 



.5 

 '5 

 Ph 



V 



ft 



<U 



a 



o 

 O 



CD 

 ft 



> 



o 



SB 



ft -s 



ft 



o 

 <u 

 o 



o 



o 



c3 C 

 ft O 



s £* 



Mean Weight of Va- 

 pour in a Cubic foot 

 of air. 



Additional Weight of 

 Vapour required for 

 complete saturation. 



Mean degree of Hu- 

 midity, complete satu- 

 ration being unity. 





















Inches. 



Troy grs. 



Troy grs. 





Mid- 

 night. 



80.1 



2.0 



78.7 



3.4 



0.961 



10,35 



1.16 



0.90 



1 



80.0 



2.0 



78 6 



3.4 



.958 



.32 



.15 



.90 



2 



79 9 



2.0 



78.5 



3.4 



.955 



.29 



.15 



.90 



3 



79.7 



2.0 



78.3 



3.4 



.949 



.22 



.15 



.90 



4 



79.6 



2.0 



78.2 



3.4 



.946 



.19 



.15 



.90 



5 



79 6 



1.9 



78.3 



3.2 



.949 



.22 



.09 



.90 



6 



79.7 



1.9 



78.4 



3.2 



.952 



.25 



.09 



.90 



7 



80.1 



2.1 



78.6 



3.6 



.958 



.30 



.24 



.89 



8 



80.8 



2.8 



78.8 



4.8 



.964 



.34 



.69 



.86 



9 



81.2 



3.5 



787 



6.0 



.961 



.29 



2.13 



.83 



10 



81.6 



4.2 



78.7 



7.1 



.961 



.26 



.57 



.80 



11 



81.9 



4.6 



79.1 



7.4 



.973 



.38 



.72 



.79 



Koon. 



82.0 



4.8 



79.1 



7.7 



.973 



.36 



.85 



.78 



1 



82.5 



4.9 



79.6 



7.8 



.989 



.52 



.93 



.78 



2 



82.4 



4 8 



79.5 



7.7 



.986 



.49 



.88 



.79 



3 



82.4 



4.7 



79.6 



7.5 



.989 



.52 



.81 



.79 



4 



82.0 



4.2 



79.1 



7.1 



.973 



.38 



.61 



.80 



5 



81.7 



4.1 



78.8 



7.0 



.964 



.29 



.54 ' 



.80 



6 



80.9 



3.5 



78.4 



6.0 



.952 



.19 



.12 



.83 



7 



80.4 



2.8 



78.4 



4.8 



.952 



.21 



1.68 



.86 



8 



80.3 



2.6 



78.5 



4.4 



.955 



.27 



.52 



.87 



9 



80.1 



2.3 



78.5 



3.9 



.955 



.27 



.34 



.89 



10 



80.1 



2.2 



78.6 



3.7 



.958 



.30 



.28 



.89 



11 



80.1 



2.1 



78.6 



3.6 



.958 



.30 



.24 



.89 



All the Hygrometrical elements are computed by the Greenwich Constants. 



