Ixxix 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of October 1870. 



Hourly Means, <fcc. of the Observations and of the Hygrometrical elements 

 dependent thereon. — (Continued.) 



Hour. 



1 



pq 



43 



1 



•a 



b 



p 



"3 



"o 



03 

 P 



O 



a 



o 



P 



> 

 O 



P^ 



o 



o 



o 



a 



.2 



a & 



8^ 



Mean Weight ofVi 



in a Cubic loot of air. 



Additional Weight of 

 \ , our required for 

 complete sal oration. 



M ean degree of Humi- 

 dity, complete satura- 

 tion being unity. 





o 















Inches. 



T. gr. 



T. gr. 





Mid- 



















night. 



78.6 



1.8 



77.3 



3.1 



0.919 



9.92 



1.02 



0.91 



1 



78.4 



1.6 



77.:! 



2.7 



.919 



.92 



0.89 



.92 



2 



78.2 



1.6 



77.1 



2.7 



.913 



.86 



.89 



.92 



3 



77.9 



1.6 



76.8 



2.7 



.905 



.77 





.92 



4 



77.8 



1.1 



76.7 



2.6 





.71 



.85 



.92 



5 



77.7 



1.1. 



76.7 



2. 1 



.902 



.76 



.77 



.93 



6 



77.8 



1.2 



77.0 



2.0 



.910 



.85 



.65 



.94 



7 



78.4 



1.5 



77.3 



2.6 



.919 



.92 



.86 



.92 



8 



78.7 



2.7 



76.8 



4.6 



.905 



.73 



1.54 



.86 



9 



71). 1 



3.8 



76. 1 



6.5 





.58 



2.21 



.81 



10 



79.3 



4.9 



75.9 



8.3 



.879 



.12 



.82 



.77 



11 



79.5 



5.7 



75.5 



9.7 



.868 



.27 



3.31 



.71 



Noon. 



79.4 



6.7 



71,7 



11.4 



.846 



.03 



.92 



.70 



1 



79.3 



7.3 



74.9 



11.7 



.851 



.60 



408 



.69 



2 



79.4 



7.8 



74.7 



12.5 



.816 



8.99 



.38 



.67 



3 



79.4 



7.4 



75.0 



11.8 



.854 



9.09 



.12 



.69 



4 



79.0 



7.0 



74.1 



11.9 



.830 



8.85 



.06 



.69 



5 



78.8 



6.1 



74.5 



10.4 



.810 



9.00 



3.49 



.72 



6 



78.8 



4,5 



75.6 



7.7 



.871 



.33 



2.60 



.78 



7 



78.7 



3.6 



76.2 



6.1 



.887 



.54 



.01 



.82 



8 



78.7 



3.1 



76.5 



5.3 



.896 



.65 



1.75 



.85 



9 



78.7 



2.6 



76.9 



4,4. 



.908 



.78 



.46 



.87 



10 



78.7 



2.2 



77.2 



3.7 



.916 



.87 



.23 



.89 



11 



78.6 



2.0 



77.2 



3.4 



.916 



.89 



.21 



.90 



All the Hygrometrical elements are computed by the Greenwich Constants. 



