Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of June, I860. 



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

 dependent thereon.— (Continued.) 



Hour. 



3 



H 

 jo 



« c 

 ? a 



C O 

 v O 

 f=5 



> 

 o 



oS 



-2 



s 

 pa 



Computed Dew Point. 



1 



Dry Bulb above Dew 

 Point. 



Mean Elastic force | 

 of Vapour. 



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. 









o 











Inches. 



T. gr. 



T. gr. 





Mid- 

 night. 



79.0 



2.8 



77.6 



4.2 



0.928 



9.99 



1.41 



0.88 



1 



78.8 



2.7 



77.4 



4.1 



.922 



.93 



.38 



.88 



2 



78.8 



2.4 



77.6 



3.6 



.928 



.99 



.22 



.89 



3 



79.0 



2.2 



77.9 



3.3 



.937 



10.10 



.11 



.90 



4 



78.6 



2.2 



77.5 



3.3 



.925 



9.98 



.09 



.90 



5 



78.8 



2.1 



77.7 



3.2 



.931 



10.04 



.06 



.91 



6 



79.0 



2.1 



77.9 



3.2 



.937 



.10 



.07 



.90 



7 



79.7 



2.3 



78.5 



3.5 



.955 



.27 



.20 



.90 



8 



80.9 



3.6 



79.1 



5.4 



.973 



.42 



.93 



.S4 



9 



81.4 



4.8 



79.0 



7.2 



.970 



.35 



2.64 



.80 



10 



82.1 



6.1 



79.0 



9.2 



.970 



.31 



3.45 



.75 



11 



82.4 



7.1 



78.8 



10.7 



.964 



.21 



4.08 



.71 



Noon. 



82.6 



7.6 



78,8 



11.4 



.964 



.21 



.38 



.70 



1 



82.3 



7.5 



78.5 



11.3 



.955 



.12 



.30 



.70 



2 



82.4 



7.3 



78.7 



11.0 



.961 



.18 



.19 



.71 



3 



82.2 



7.2 



78.6 



10.8 



.958 



.15 



.10 



.71 



4 



82.0 



6.7 



78.6 



10.1 



.958 



.17 



3.79 



.73 



5 



81.9 



5.9 



78.9 



8.9 



.967 



.2S 



.32 



.76 



6 



81.2 



4.6 



78.9 



6.9 



, .967 



.32 



2.51 



.80 



7 



80.2 



4.2 



78.1 



6.3 



.943 



.10 



.21 



.S2 



8 



80.1 



3.6 



78.3 



5.4 



.949 



.18 



1.S9 



.S4 



9 



80.0 



3.3 



78.3 



5.0 



.949 



.IS 



.75 



.85 



10 



79.9 



3.0 



78.4 



4.5 



.952 



.21 



.5S 



.87 



11 



79.6 



2.7 



78.2 



4.1 



.946 



.17 



.41 



.88 



All the Hygrometrical elements are computed by the Greenwich constants. 



