Ixxvi 



Meteorological Observations. 



r 



Abstract of tie Results of tie Hourly Meteorological Observations 



taken at tie Surveyor General's Office, Calcutta, 



in tie month of October, 1864. 



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 



Koon. 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 



11 



; 



PQ 



74.7 



74.7 

 74.5 

 74.0 

 74.0 

 74.2 

 73.7 

 74.3 

 74,9 

 75.2 

 75.5 

 75.8 



75.7 

 75.5 

 756 

 75.6 

 75.4 

 75.5 

 75.5 

 75.4 

 75.2 

 75.2 

 75.1 

 74.8 



2 



PQ 



3.3 



2.9 



2.9 

 2.7 

 2.6 

 2.5 

 2,5 

 2.8 

 4.6 

 6.0 

 7,1 

 8.0 



8.6 

 9.2 

 9.2 

 9.4 

 9.1 

 7.9 

 5.8 

 4,8 

 4.1 

 3.8 

 3.4 

 3.3 



p 



O 



72.4 



72.7 

 72.5 

 72.1 

 72.2 

 72.4 

 71.9 

 72,3 

 71.7 

 71.0 

 70.5 

 70.2 



69,7 

 69.1 



69.2 

 69.0 

 69.0 

 70.0 

 71.4 

 72.0 

 72.3 

 72.5 

 72.7 

 72.5 



P 



5.6 



4,9 



49 



4.6 



4.4 



4.3 



4.3 



4.8 



7.8 



10.2 



12.1 



13.6 



H 



Inches. 



0.785 



792 

 787 

 778 

 781 

 785 

 773 

 783 

 768 

 751 

 739 

 732 



{> o 



! o 



£.a 



3 c3 



O «<_, 



P* o 



14.6 



.720 



15.6 



.706 



15.6 



,708 



16.0 



.704 



15.5 



704 



13.4 



.727 



9.9 



.761 



8.2 



.776 



7.0 



.783 



6.5 



.787 



5.8 



.792 



5.6 



.787 



Troy grs. 



8.50 



.59 



.54 

 .44 

 .48 

 .53 

 .41 

 .49 

 .30 

 .09 

 7.93 

 .82 



.69 

 .53 



.56 

 .51 

 .51 

 .79 

 8.18 

 .36 

 .46 

 .51 

 .58 

 .53 



T5 b> 



Troy grs 



1.69 



.48 



.47 



.36 



.29 



.27 



.25 



43 

 2.36 

 3.12 



.75 

 4.28 



.59 



.89 



.90 



5.02 



4.84 



.17 



3.06 



2.52 



.13 



1.99 



.77 



.69 



<*- m is* 

 ° £'3 



03 <D S 



3Pff 



n* go 



0.83 



.85 

 .85 

 .86 

 .87 

 .87 

 .87 

 .86 

 .78 

 .72 

 .68 

 .65 



.63 

 .61 

 .61 



.60 

 .61 

 .65 



.73 

 .77 

 .80 

 .81 

 .83 



M 



All the Hygrometrical elements are computed by the Greenwich Constants. 



