lxxxiv 



Meteorological Observation.' 



Abstract of the Results of the Hourly Meteorological Observations 

 talcen at the Surveyor General 's Office, Calcutta, 

 in the month of April, I860. 



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

 dependent thereon. — (Continued.) 





5 



CD 



(13 

 t* 

 O 



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& 



CO 



Q 



> 

 o 



u 



o . 



i.2 



>■% 



o 



4J * ,• 



eight of 

 •equired 

 te satu- 



= - l" 

 — ■ ~ S 



° o 



Hour. 



03 £ 

 b- <D 



r a 



c o 



53 

 .£ 

 3 



n 



•a 

 s 



a 



P3 .2 



. o 



M 3 



,2 ° 



63 ~ 



CO <*- 

 03 O 



3s< 



III 



t "1 

 || § jj 



03 CJ — 



£ 5 



be -•- 



D — 7. S 





S 



Q 



o 



Q 



*§ 



i *" 



«j 



s 

















o 



Inches. 



T. gr. 



T. gr. 





Mid- 

 night. 



76.0 



4.0 



74.0 



6.0 



0.827 



8.93 



1.88 



0.83 



1 



76.1 



3.7 



74.2 



5.6 



.832 



.98 



.77 



.84 



2 



76.0 



3.4 



74.3 



5.1 



.835 



9.03 



.59 



.85 



3 



75.8 



3.1 



74.2 



4.7 



.832 



.00 



.47 



.86 



4 



75.8 



2.7 



74.4 



4.1 



.838 



.08 



.27 



.88 



5 



75.9 



2.5 



74.6 



3.8 



.843 



.13 



.18 



.89 



6 



75.9 



2.5 



74.6 



3.8 



.843 



.13 



.18 



.89 



7 



76.4 



2.8 



75.0 



4.2 



.854 



.24 



.32 



.88 



8 



78.0 



4.3 



75.8 



6.5 



.876 



.41 



2.17 



.SI 



9 



78.8 



6.4 



75.6 



9.6 



.871 



.29 



3.32 



.74 



10 



79.6 



8.2 



75.5 



12.3 



.868 



.23 



4.37 



.68 



11 



80.2 



10.0 



75.2 



15.0 



.860 



.09 



5.50 



.62 



Noon. 



80.7 



11.4 



75.0 



17.1 



.854 



8.99 



6.42 



.58 



1 



80.9 



12.4 



74.7 



18.6 



.846 



.88 



7.07 



.56 



-z 



80.9 



13.1 



74.3 



19.7 



.835 



.76 



.51 



.54 



3 



80.5 



13.3 



73.8 



20.0 



.822 



.62 



.56 



.53 



4 



80.7 



12.0 



74.7 



18.0 



.846 



.90 



6.78 



.57 



5 



80.0 



10.8 



74.6 



16.2 



.843 



.91 



5.93 



.60 



6 



79.3 



8.7 



74,9 



13.1 



.851 



9.04 



4.64 



.66 



7 



79.1 



6.9 



75.6 



10.4 



.871 



.29 



3.62 



.72 



8 



77.6 



5.5 



74,8 



8.3 



.849 



.11 



2.75 



.77 



9 



77.1 



4.9 



74,6 



7.4 



.843 



.07 



.40 



.79 



10 



77.1 



4.5 



74.8 



6.8 



.849 



.13 



.21 



.SI 



11 



76.8 



4.2 



74.7 



6.3 



.846 



.12 



.02 



.82 



All the Hygrometrical elements are computed by the Greenwich constants. 



