Ixxxiv 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor OeneraVs Office, Calcutta, 



in the month of November, 1865. 



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 



Isoon. 

 1 

 2 

 3 

 4 

 6 

 6 

 7 

 8 

 9 

 10 

 11 



x> 





M 



£ 





CD 





> 











a 



J2 



5 ° 



a 



g S 



m 







H 



a 











68.6 



4.7 



67.9 



4,7 



67.4 



4.7 



66.9 



4.5 



66.4 



4.3 



66.0 



4 1 



65.6 



4.0 



65.8 



4.2 



6G.9 



5.9 



68.1 



7.9 



69.4 



9.5 



70.2 



10.8 



70.7 



11.8 



70.9 



12.6 



71.5 



12.8 



71.0 



13.1 



70.9 



12.1 



71.3 



10.2 



71.6 



7.7 



71.3 



6.5 



70.7 



5.9 



70.1 



5.4 



69.5 



5.0 



68.9 



4.7 



64.8 



64.1 

 63.6 

 63.3 

 63.0 

 62.7 

 62.4 

 62.4 

 62.2 

 62 2 

 62.7 

 62.6 



62.4 

 62.1 

 62.5 

 61.8 

 62.4 

 64.2 

 66.2 

 66.7 

 66.6 

 66.3 

 66 

 65.6 



Q 



8.5 



8.5 



8.5 



8.1 



7.7 



7.4 



7.2 



7.6 



10.6 



13.4 



16.2 



18.4 



20.1 



21.4 



21.8 



22.3 



20.6 



17.3 



13.1 



11.1 



10.0 



9.2 



8.5 



8.0 



o 



CO 



o 



S 

 o 



*» 3 

 "5,0 



Weight of 

 equired for 

 saturation. 



c« u 



Mean Wei 

 pour in a 

 of air. 



Additional 

 Vapour l 

 complete 



Inches. 



Troy grs. 



Troy grs. 



0.613 



6.71 



2.13 



.599 



.55 



.11 



.590 



.45 



.08 



.584 



.41 



1.94 



.578 



.35 



.83 



.572 



.30 



.73 



.567 



.24 



.66 



.567 



.23 



.77 



.563 



.15 



2.56 



.570 



.20 



3.40 



.572 



.19 



4.28 



.570 



.14 



5.00 



.567 



.08 



.56 



.561 



.01 



.99 



.568 



.07 



6.21 



.555 



5.94 



.27 



.567 



6.06 



5.76 



.601 



.46 



4.85 



.642 



.93 



3.66 



.653 



7.07 



.06 



.651 



.07 



2.70 



.644 



.02 



.44 



.638 



6.95 



.23 



.630 



.89 



.04 



W 2 



° £ 'a 



m cu rt 



8> S a 



a 2 



0.76 



.76 

 .76 

 .77 

 .78 

 .79 

 .79 

 .78 

 .71 

 .65 

 .59 

 .55 



.52 

 .50 

 .49 



.49 

 .51 



.57 

 .65 

 .70 



.72 

 .74 

 .76 



.77 



All the Hygrometrical elements are computed by the Greenwich Constants. 



