iV 



Meteorological Observations. 



Abstract of the liesults of the Hourly Meteorological Observations 



taken at the Surveyor General 1 s Office, Calcutta, 



in the month of January, 1857. 



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

 dependent thereon.- 





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It fa « 

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3 " ° 





Hour. 



£1 

 il 



33 



d 



Q 



2 





.3 5 



<LI O 





6r 3" 6fl 





03 Q 



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SU 



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 o 



p 



5 *" 

 3 



| g.'S 



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a 2 





o 















Inches. 



Troy grs. 



Troy grs. 





Mid- 



60.8 



3.4 



58.4 



5.8 



0.496 



5.51 



1.18 



0.82 



night. 



















1 



60.3 



3.1 



58.1 



5.3 



.491 



.47 



.06 



.84 



2 



59.5 



3.0 



57.4 



5.1 



.480 



.36 



0.99 



.84 



3 



59.1 



3.1 



56.9 



5.3 



.472 



.27 



1.02 



.84 



4 



58.7 



2.8 



56.7 



4.8 



.469 



.24 



0.92 



.85 



5 



58.0 



2.9 



55.7 



5.2 



.453 



.08 



.96 



.84 



6 



57.7 



2.8 



55.5 



5.0 



.450 



.05 



.92 



.85 



7 



57.5 



2.7 



55.3 



4.9 



.447 



.02 



.89 



.85 



8 



58.7 



3.3 



56.4 



5.6 



.464 



.18 



1.07 



.83 



9 



60.8 



5.1 



57.7 



8.2 



.485 



.37 



.69 



.76 



10 



62.3 



6.8 



58.9 



10.2 



.504 



.56 



2.22 



.72 



11 



63.6 



8.3 



59.4 



12.5 



.513 



.61 



.87 



,66 



Noon. 



64.7 



9.9 



59.7 



14.9 



.518 



.65 



3.55* 



.61 



1 



65.5 



11.0 



60.0 



16.5 



.523 



.67 



4.08 



.58 



2 



65.5 



12.0 



59.5 



18.0 



.515 



.57 



.47 



.56 



3 



65.7 



12.2 



59.6 



18.3 



.516 



.59 



.57 



.55 



4 



64.6 



11.5 



58.8 



17.3 



.503 



.46 



.17 



.57 



5 



64.8 



9.9 



59.8 



14.9 



.520 



.66 



3.57 



.61 



6 



64.9 



7.1 



61.3 



10.7 



.546 



.99 



2.51 



.71 



7 



64.2 



5.8 



61.3 



8.7 



.546 



6.01 



1.99 



.75 



8 



63.3 



5.1 



60.2 



8.2 



.527 



5.82 



.80 



.76 



9 



62.6 



4.6 



59.8 



7.4 



.520 



.75 



.60 



.78 



10 



62.0 



4.1 



59.5 



6.6 



.515 



.70 



.40 



.80 



.11 



61.8 



3.7 



59.6 



5.9 



.516 



.73 



.25 



.82 



All the Hygrometrical elements are computed by the Greenwich constants, 



