lii 



yieieorologica I Observa tions. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of July 1866. 



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

 dependent thereon. — (Continued.) 



Hour. 



© 



H 



B 



p 



© Jh 



M 



+3 



o 



© 

 o 



p 



P 

 P 



p 

 *o 



p 



03 



P 



Ph 



s 



o 

 o 



© 



P 

 © 

 > 

 o 



•a 



ho 



p w 



O 



© 

 © 



# © 



'-t-3 



VI 



a* 



> o 

 o o 



^£ 



he © 



'S3 



§* 



a -9 



Additional Weight of 

 Vapour required for 

 complete saturation. 



Mean degree of Humi- 

 dity, complete satura- 

 tion 'being unity. 

















o 



Inches. 



T. gr. 



T. gr. 





Mid- 



















night. 



79.4 



1.8 



78.1 



3.1 



0.943 



10.16 



1.05 



0.91 



1 



79.3 



1.7 



78.1 



2-9 



.913 



.16 



0.98 



.91 



2 



79.1 



1.6 



78.0 



2.7 



.940 



.13 



.91 



.92 



3 



79.1 



1.3 



78.2 



2.2 



.946 



.21 



.73 



.93 



4 



78.9 



1.3 



78.0 



2.2 



.940 



.15 



.73 



.93 



5 



79.0 



1.4 



78.0 



2.4 



.940 



.15 



.79 



.93 



6 



79.2 



1.4 



78.2 



2.4 



.946 



.21 



.80 



.93 



7 



79.5 



1.7 



78.3 



2.9 



.949 



.22 



.99 



.91 



8 



80.2 



2.3 



78.6 



3.9 



.958 



.30 



1.34 



.89 



9 



80.7 



3.4 



78.3 



5.8 



.949 



.16 



2.05 



.83 



10 



80.8 



4,1 



77.9 



7.0 



.937 



.02 



.47 



.80 



11 



81.2 



4.5 



78.0 



7.7 



.940 



.03 



.77 



.78 



Koon. 



81.2 



4.9 



77.8 



8.3 



.934 



9.97 



.98 



.77 



1 



81.2 



5.3 



78.0 



8.5 



.940 



10.01 



3.09 



.76 



2 



81.1 



5.2 



77.5 



8.8 



.925 



9.86 



.16 



.76 



3 



81.1 



4.8 



77.7 



8.2 



.931 



.94 



2.93 



.77 



4 



80.8 



4.8 



77.4 



8.2 



.922 



.85 



.91 



.77 



5 



80.8 



4.5 



77.6 



7.7 



.928 



.91 



.73 



.78 



6 



80.3 



4.2 



77.4 



7.1 



.922 



.87 



.48 



.80 



7 



79.8 



3.5 



77.3 



6.0 



.919 



.86 



.07 



.83 



8 



79.8 



2.9 



77.8 



4.9 



.934 



10.03 



1.69 



.86 



9 



79.7 



2.6 



77.9 



4.4 



.937 



.08 



.50 



.87 



10 



79.6 



2.2 



78.1 



3.7 



.943 



.14 



.26 . 



.89 



11 



79.6 



1.8 



78.3 



3.1 



.949 



.22 



.05 



.91 



Ail the Hygrometrical elements are computed by the Greenwich Constants. 



