■Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of December 1869. 



Hourly Means. &c. of Llie Obserrn Lions and of tlie Hygrometrical elements 

 dependent thereon. — (Continued.) 



Hour. 



o 

 g 2 



o 



t> 



o 



-8 



pq 

 h 

 p 



"o 

 Ph 



p 



o 

 P< 



s 



o 



o 



o 



p 



o 



> 

 o 



■% 



t>-.'o 



p^ 



Mean Elastic force of 

 Vapour. 



o .'2 

 k O 



Additional Weight of 

 Vapour required for 

 complete saturation. 



Mean degree of Humi- 

 dity, complete satura- 

 tion being unity. 





o 



o 



o 



o 



Inches. 



T. gr. 



T. gr. 





Mid- 



















night. 



61.2 



3.9 



58.1 



7.0 



0.491 



5.45 



1.44 



0.79 



1 



60.7 



3.7 



57.4 



7.0 



.430 



.33 



.41 



.79 



2 



60.2 



3.6 



57.0 



6.8 



.473 



.27 



.34 



.80 



3 



59.7 



3.4 



56.6 



6.5 



.487 



.21 



.26 



.81 



4 



59.3 



3.2 



56.4 



6.1 



.461 



.18 



.17 



.82 



6 



58.8 



3.2 



55.9 



6.1 



.458 



.10 



.15 



.82 



6 



5S.5 



3.0 



55.8 



5.7 



.455 



.09 



.07 



.83 



7 



53.4 



3.0 



55.7 



5.7 



.453 



.07 



.07 



.83 



8 



59.6 



3.7 



5J.3 



7.0 



.432 



.16 



.35 



.79 



9 



61.2 



5.3 



57.0 



9.5 



.473 



.23 



.96 



.73 



10 



63.0 



7.3 



57.2 



13.1 



.476 



.23 



2.85 



.65 



11 



63.3 



9.6 



68.1 



17.3 



.459 



.02 



3.85 



.57 



Noon. 



64.1 



11.2 



56.3 



39.0 



.432 



.03 



4.37 



.54 



1 



64.4 



12.2 



55.9 



20.7 



.456 



4.94 



.83 



.51 



2 



6:1.7 



12.8 



55.7 



21.8 



.453 



.90 



5.14 



.49 



3 



6i.3 



13.2 



55.1 



22.4 



.411 



.82 



.22 



.48 



4 



63.8 



12.4 



55.1 



. 21.1 



.411 



!83 



4'.83 



.50 



5 



61.2 



10.5 



56.8 



17.9 



.470 



5.12 



.11 



.56 



6 



616 



7.3 



53.8 



13.1 



.503 



.50 



2.98 



.65 



7 



63.9 



6.2 



53.9 



11.2 



.501 



.55 



.48 



.69 



8 



63.2 



5.3 



50.0 



9.5 



.506 



.58 



.07 



.73 



9 



62.4 



4.9 



58.5 



8.8 



.493 



.50 



1.87 



.75 



10 



61.3 



4.5 



58.2 



8.1 



.493 



.48 



.69 



.76 



11 



01.2 



4.2 



57.8 



7.0 



.436 



.39 



.58 



.78 



All the Hygrometrical elements are computed by the Greenwich Constanta. 



