xxxvu 



Meteorological Observation*, 



Abstract of the Remits of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of 31a// 1870. 



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

 dependent thereon. — (Con tinned.) 



Hour. 



Mean Wet Bulb Ther- 

 mometer. 



Dry Bulb above Wet, 



ft 



o 

 O 



Bulb above Dew- 

 Point. 



o 



- 

 o 

 u 



"-JJ 



as . 



g| 



Mean Weight ofVapour 

 in a Cubic foot of air. 



itional Weight of 

 Vapour required for 

 arai ion. 



OS >% 



c - '- 



tr - a 



© C -r 





o 



o 



o 







Inches. 



T. gr. 



T.gr. 





Mid- 



















night. 



79.2 



3.7 



76.6 



6.3 





<u;> 



2.1 1 



0.83 



1 



70.1 



3.5 



76.6 



6.0 



.899 



.65 



.03 



.S3 



2 



79.1 



3.3 



76.8 



5.6 



.905 



.71 



1.90 



.8 1 



3 



79.2 



2.9 



77.2 



4.9 



.916 



.85 



.66 



.86 



4 



79.2 



2.7 



77.3 



4.6 



.919 





.56 



.8 ; 



5 



70.3 



2.1 



77.(5 



4.1 



.928 



.99 



.38 









79.4 



2.3 



77.8 





.031 



10.05 



.32 



.83 



7 



80.2 





78.2 



1.8 



.946 



.15 



.07 



.86 



8 



81.2 



4.1 



7.,\ 



7.5 



.013 



.06 



2.70 



.70 







82.2 



6.3 



78. L 



10.1 



.032 



.10 



3.78 



.73 



30 



82.5 



8.5 



77,1 



13.6 



.022 



9.73 



5.20 



.05 



11 



82.7 



10.8 



70.2 



17.3 



.887 



.33 



0.71 



.5$ 



Noon. 



82.7 



12.1 



75. t 



19.4 



.805 



.07 



7.58 



.55 



1 



82.2 



13.8 



73.1) 



22.1 



.824 



8.G1 



8.02 



.50 



2 



81.8 



11.1 



73.2 



23.0 



.806 



.41 



.02 



. 10 



3 



81.3 



14.0 



72.5 



23. fc 



.787 



.23 



.05 



.IS 



4 



81.4 



13.0 



73.2 



21.8 





.13 



.31 



.5) 



5 



81.3 



12.0 



74. 1 



19.2 



.830 



.73 



7.22 



.55 



6 



81.4 



9.5 



75.7 



15.2 



.873 



9.22 



5.07 



.02 



7 



80.5 



7.1 



70.2 



11.4 



.887 



. 15 



4.07 



.70 



8 



80.1 



5.7 



70. 1 



0.7 



.885 



.44 



3.30 



.74 



9 



707 



4.9 



70.3 



8.3 



.890 



.53 



2.^ 



.77 



30 



70.4 



4.5 



70.2 



7.7 



.887 



.51 



.02 



.78 



11 



70.5 



4.0 



70.7 



G.8 



.902 



.GO 



.34 



.81 



All the Uygvom-etrieal elements are computed by the Greenwich Constanta. 



