xliv 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of June 1866. 



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

 dependent thereon. — (Continued.) 



Hour. 



© 



d 



a 

 b 



PQ 



© u 



£:£ 



£ a 



o3 o 



© 

 © 



> 



o 



■§ 



pq 



t? 



P 



| 



o 



Pm 



© 

 P 



© 





 P-. 



a 



o 

 O 



© 



p 



© 

 > 

 o 



o 

 © 



o 

 © 



"-+3 



CO 



^ ° 



> o 

 o "o 



"he © 

 •©£ 



S- 



03 d 



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. 



80.3 



3.1 



78.1 



5.3 



0.943 



10.12 



1.84 



0.85 



1 



80.3 



2.9 



78.3 



4-9 



.949 



.18 



.71 



.86 



2 



80.5 



2.5 



78.7 



4.3 



.961 



.33 



.49 



.87 



3 



80.5 



2.3 



78.9 



3.9 



.967 



.39 



.36 



.88 



4 



80.5 



2.2 



79.0 



3.7 



.970 



.42 



.30 



.89 



5 



80.6 



2.1 



79.1 



3.6 



.973 



.45 



.27 



.89 



6 



80.6 



2.1 



79.1 



3.6 



.973 



.45 



.27 



.89 



7 



81.1 



2.6 



79.3 



4.4 



.979 



.51 



.56 



.87 



8 



81.4 



3.8 



78.7 



6.5 



.961 



.26 



2.35 



.81 



9 



81.8 



5.1 



78.7 



8.2 



.961 



.24 



3.01 



.77 



10 



82.0 



6.5 



78.1 



10.4 



.943 



.02 



.86 



.72 



11 



82.3 



7.5 



77.8 



12.0 



.934 



9.89 



4.53 



.69 



Koon. 



82.8 



8.1 



77.9 



13.0 



.937 



.90 



.99 



.67 



1 



82.9 



8.7 



77.7 



13.9 



.931 



.82 



5.37 



.65 



2 



83.1 



8.8 



77.8 



14.1 



.934 



.85 



.47 



.64 



3 



82.9 



9.0 



77.5 



14.4 



.925 



.76 



.56 



.64 



4 



82.9 



8.1 



78.0 



13.0 



.940 



.93 



.00 



.67 



5 



82.5 



7.5 



78.0 



12.0 



.940 



.95 



4.55 



.69 



6 



82.2 



6.0 



78.6 



9.6 



.958 



10.17 



3.59 



.74 



7 



80.9 



5.0 



77.4 



8.5 



.922 



9.83 



.04 



.76 



8 



80.4 



4.7 



77.1 



8.0 



.913 



.76 



2.81 



.78 



9 



80.0 



4.4 



76.9 



7.5 



.908 



.70 



.61 



.79 



10 



80.1 



3.8 



77.4 



6.5 



.922 



.87 



.26 



.81 



11 



80.2 



3.3 



77,9 



5.6 



.937 



10.04 



1.96 



.84 



All the Hygrometrical elements are computed by the Greenwich Constants, 



