XC11 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General' s Office, Calcutta,. 



in the month of December, 1864. 



A 



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

 dependent thereon. — (Continued.) 



Hour. 



Mid- 

 night. 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 

 10 

 11 



Noon. 

 1 

 2 

 8 

 4 

 5 

 6 

 7 

 8 

 9 

 10 

 11 







62.6 



62.0 

 61.7 

 61.3 

 60.5 

 60.3 

 59.7 

 59.7 

 61.4 

 63.0 

 64.5 

 65.2 



65.5 

 66.0 

 662 

 65.7 

 65.0 

 65.4 

 65.6 

 65.2 

 64.4 

 63.6 

 63.1 

 62.7 



S3 



3.9 



3.8 

 3.6 

 3.5 

 3.5 

 3.4 

 3.3 

 3.3 

 4.9 

 7.0 

 87 

 10.3 



11.8 



12.4 



13.1 



13.3 



12.2 



10.0 



7.6 



6.0 



5.3 



5.1 



4.7 



4.2 



CD 



Q 



O 



59.5 



59.0 

 58.8 

 58.5 

 57.3 

 57.2 

 56.7 

 56.7 

 57.5 

 57.4 

 57.5 

 58.0 



57.2 

 57.3 

 57.0 

 56.4 

 56.5 

 58.4 

 59.5 

 60.4 

 60.2 

 59.5 

 59.3 

 59.3 



tt-S 



7.0 



6.8 



6.5 



6.3 



6.7 



6.5 



6.3 



6.3 



8.8 



12.6 



157 



17.5 



20.1 

 21.1 



22.3 



22.6 



20.7 



17.0 



13.7 



10.8 



9.5 



9.2 



8.5 



7.6 



m 



Indies. 



0.515 



506 

 503 

 498 

 478 

 476 

 469 

 469 

 481 

 480 

 481 

 489 



.476 

 .478 

 .473 

 .464 

 465 

 .496 

 .515 

 .530 

 .527 

 .515 

 .511 

 .511 



L> o 



1 o 





Troy grs. 



5.70 



.61 



.57 

 .53 

 .31 

 .29 

 .23 

 .23 

 .33 

 .27 

 .26 

 .31 



.16 

 .16 

 .11 



.00 

 .04 

 .39 

 .62 

 .82 

 .79 

 .68 

 .64 

 .65 



Troy grs 



1.49 



.43 



.36 

 .30 



.34 



.30 



.22 



.22 



.82 

 2.73 

 3.56 

 4.15 



.82 

 5.15 



.48 



.50 

 4.91 



.04 

 3.20 

 2.48 



.14 



.01 

 1.84 



.63 



CD CD 3 



»& 



* 3 



S5-5 



0.79 



80 

 80 

 81 

 80 

 80 

 81 

 81 

 75 

 66 

 60 

 56 



52 

 50 



51 



57 

 64 

 70 

 73 



74 

 75 

 78 



All the Hygrometrical elements are computed by the Greenwich Constants. 



■ 



