lxviii 



Meteorological Observations. 



Abstract of tlie Results of the Hourly Meteorological Observations 

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

 in the month of February, I860. 



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 



67.3 



66.9 

 66.5 

 66.4 

 66.3 

 65.5 

 65.4 

 65.3 

 67.1 

 68.0 

 69.0 

 69.5 



Noon. 



70.1 



1 



70.7 



2 



71.2 



3 



71.3 



4 



70.7 



5 



70.4 



6 



70.3 



7 



69.7 



8 



69.0 



9 



68.6 



10 



68.1 



11 



67.9 



4.3 



4.0 

 3.7 

 3.5 

 3.2 

 3.3 

 2.9 

 2.9 

 3.8 

 5.6 

 7.7 

 10.0 



11.9 



13.2 



13.9 



14.3 



14.1 



12.8 



10.0 



7.8 



6.7 



5.9 



5.4 



5.0 



P4 



CD 



£ 



> 



o 



Q 







J3 



3 



£.s 



a 



>-n, 







u 



Q 



65.1 



64.9 

 64.6 

 64.6 

 64.7 

 63.8 

 63.7 

 63.6 

 65.2 

 65.2 

 65.1 

 64.5 



64.1 

 64.1 

 64.2 

 64.1 

 63.6 

 64.0 

 65.3 

 65.8 

 65.6 

 65.6 

 65.4 

 65.4 



6.5 



6.0 

 5.6 

 53 

 4.8 

 5.0 

 4.6 

 4.6 

 5.7 

 8.4 

 11.6 

 15.0 



17.9 



198 



20.9 



21.5 



21.2 



19.2 



15.0 



11.7 



10.1 



8.9 



8.1 



7.5 



Inches. 



0.619 



.615 

 .609 

 .609 

 .611 

 .593 

 .591 

 .590 

 .621 

 .621 

 .619 

 .607 



.599 

 .599 

 .601 

 .599 

 .590 

 .597 

 .623 

 .634 

 .630 

 .630 

 .626 

 .626 



J-. '-> u 



T. gr. 



6.79 



.77 

 .70 

 .71 

 .73 

 .54 

 .52 

 .50 

 .83 

 .80 

 .72 

 .56 



.43 

 .40 

 .41 

 .38 

 .29 

 .40 

 .72 

 .87 

 .86 

 .87 

 .84 

 .84 



T. gr. 



1.61 



.46 



.35 



.27 



.15 



.17 



.08 



.08 



.40 



2.13 



3.08 



4.10 



5.04 



.73 



6.16 



.38 



.17 



5.49 



4.19 



3.17 



2.65 



.31 



.06 



1.89 





0.81 



.82 

 .83 

 .84 

 .85 

 .85 

 .86 

 .86 

 .83 

 .76 

 .69 

 .62 



.56 

 .53 

 .51 

 .50 

 .51 

 .54 

 .62 

 .6S 

 .72 

 .75 

 .77 

 .78 



All the Hygrometrical elements are computed by the Greenwich constants. 



