XX 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General' s Office, Calcutta, 



in the month of August, 1859. 



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

 dependent thereon. — (Continued.) 



Hour. 



ean Wet Bulb Ther- 

 mometer. 



> 

 o 



Si 



03 



.2 

 '3 



Q 



| 



Q 



03 



> 



o 



as 



•£ 

 *3 ■£ 



ffl.S 



. o 



bP- 1 



ean Elastic Force 

 of Vapour. 



ean Weight of Va- 

 pour in a cubic 

 foot of Air. 



Iditional Weight of 

 Vapour required 

 for complete satu- 

 ration. 



ean degree of Hu- 

 midity, complete 

 saturation being 

 unity. 





£ 



P 



u 



Q 



S 



S 



< 



S 













1 











Inches. 



T.gr. 



T. gr. 



I 



Mid- 

 night. 

 1 



79.1 



1.7 



78.2 



2.6 



0.946 



10.19 



0.88 



0.92 



78.9 



1.7 



78.0 



2.6 



.940 



.13 



.88 



.92 



2 



78.8 



1.5 



78.0 



2.3 



.940 



.15 



.76 



.93 



3 



78.6 



1.6 



77.8 



2.4 



.934 



.09 



.79 



.93 



4 



78.2 



1.6 



77.4 



2.4 



.922 



9.97 



.78 



.93 



5 



78.2 



1.5 



77.4 



2.3 



.922 



.97 



.75 



.93 



6 



78.0 



1.6 



77.2 



2.4 



.916 



.91 



.78 



.93 



7 



78.5 



1.8 



77.6 



2.7 



.928 



10.01 



.90 



.92 



8 



79.2 . 



2.5 



77.9 



3.8 



.937 



.08 



1.29 



.89 



9 



80.0 



3.2 



78.4 



4.8 



.952 



.21 



.68 



.86 



10 



80.5 



4.0 



78,5 



6.0 



.955 



.23 



2.12 



.83 



11 



81.1 



4.5 



78.8 



6.8 



.964 



.29 



.47 



.81 



Noon. 



81.2 



4.7 



78.8 



7.1 



.964 



.29 



.58 



.80 



1 



81.0 



4.7 



78.6 



7.1 



.958 



.23 



.57 



.80 



2 



80.8 



4.7 



78.4 



7.1 



.952 



.17 



.55 



.80 



3 



81.1 



4,5 



78.8 



6.8 



.964 



.29 



.47 



.81 



4 



80.9 



4.5 



78.6 



6.8 



.958 



.23 



.45 



.81 



5 



80.8 



3.9 



78.8 



5.9 



.964 



.31 



.11 



.83 



6 



80.3 



3.2 



78.7 



4.8 



.961 



.31 



1.69 



.86 



7 



80.0 



2.8 



78.6 



4.2 



.958 



.30 



.45 



.88 



8 



79.7 



2.4 



78.5 



3.6 



.955 



.27 



.24 



.89 



9 



79.6 



2.3 



78.4 



3.5 



.952 



.23 



.21 



.89 



10 



79.5 



2.1 



78.4 



3.2 



.952 



.25 



.09 



.90 



11 



79.3 



2.0 



78.3 



3.0 



.949 



.22 



.02 



1 



.91 



All the Hygrometrical elements are computed by the Greenwich constants. 



