xliv 



Meteorological Observations. 



Abstract of the Results of the Sourly Meteorological Observations 

 talcen at the Surveyor General's Office, Calcutta, 

 in the month of October, 1860. 



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

 dependent thereon. — (Continued.) 



Hour. 



H 

 "3 



03 j. 



p= a 



S3 O 



S a 



15 



CD 



> 



o 



•O 

 03 

 XI 



"3 

 pa 

 >-. 



D 



.9 

 '3 



p-i 

 & 







•73 

 CD 



"3 



a* 



O 



O 



<d 



Q 



CD 

 > 



o 



X> 

 ■A 



x> 



"a ti 



pa .s 



o 

 Q 



CD 

 O 



o . 



Mean Weight of Va- 

 pour in a Cubic 

 foot of Air. 



Additional Weight of 

 Vapour required 

 for complete satu- 

 ration. 



Mean degree of Hu- 

 midity, complete 

 saturation being 

 unity. 





















Inches. 



Troy grs. 



Troy grs. 





Mid- 

 night. 

 1 



76.9 



2.7 



75.5 



4.1 



0.868 



9.38 



1.31 



0.88 



77.0 



2.3 



75.8 



3.5 



.876 



.46 



.13 



.89 



2 



76.5 



2.3 



75.3 



3.5 



.862 



.32 



.12 



.89 



3 



76.2 



2.2 



75.1 



3.3 



.857 



.28 



.03 



.90 



4 



76.2 



2.1 



75.1 



3.2 



.857 



.28 



.00 



.90 



5 



75.5 



2.1 



74.4 



3.2 



.838 



.10 



0.97 



.90 



6 



75.8 



2.0 



74.8 



3.0 



.849 



.20 



.93 



.91 



7 



76.1 



2.2 



75.0 



3.3 



.854 



.25 



1.03 



.90 



8 



76.5 



3.9 



74.5 



5.9 



.840 



.07 



.87 



.83 



9 



77.1 



5.3 



74.4 



8.0 



.838 



.00 



2.61 



.78 



10 



77.2 



6.5 



73.9 



9.8 



.824 



8.83 



3.24 



.73 



11 



77.6 



7.6 



73.8 



11.4 



.822 



.78 



.83 



.70 



Noon. 



77.7 



8.6 



73.4 



12.9 



.811 



.64 



4.38 



.66 



1 



77.7 



9.0 



73.2 



13.5 



.806 



.57 



.61 



.65 



2 



77.7 



9.2 



73.1 



13.8 



.803 



.54 



.71 



.65 



3 



77.3 



9.1 



72.7 



13.7 



.792 



.44 



.62 



.65 



4 



77.1 



8.9 



72,6 



13.4 



.790 



.43 



.48 



.65 



5 



77.2 



7.7 



73.3 



11.6 



.809 



.63 



3.86 



.69 



6 



77.6 



5.6 



74.8 



8.4 



.849 



9.11 



2.78 



.77 



7 



77.4 



4.6 



75.1 



6.9 



.857 



.21 



.26 



.80 



8 



77.2 



4.0 



75.2 



6.0 



.860 



.26 



1.95 



.83 



9 



77.1 



3.6 



75.3 



5.4 



.862 



.31 



.73 



.84 



10 



76.9 



3.3 



75.2 



5.0 



.860 



.28 



.60 



.85 



11 



76.7 



3.1 



75.1 



4.7 



.857 



.25 



.50 



.86 



AH the Hygrometrical elements are computed by the Greenwich Constants. 



