XXX 



Meteorological Observations. 



Abstract of t/ie Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of April 1866. 









Solar Radiation 



Weather, &c. 





u 



© © 





. t3 







43 ri 

 o o 



«3 





Prevailing 

 direction of the 





General Aspect of the Sky. 



© 



*'^ 



a © £ 





M O 





P 



c3 c3 





Wind. 



3g 



02 







O 



Inches 





lb 





21 





U.51 



S. & S. S. E. 



10.50 



Overcast Lightning Thunder & 

 rain at 10 & 11 p. m. Hails at 



10 P. M. 



22 



123.2 



) ... 



S. E. & variable 



2.00 



Overcast to Noon M & v_i af- 

 terwards, Lightning & Thun- 

 der at Midnight light rain at 

 Midnight, 1 & from 4 to 6 a.m. 



23 



128.0 



0.14 



s. w. & n\ jr. w. 



2.80 



Vvi & ^i to 6 P. m. clear after- 

 wards. Lightning toS.at 9 p.m. 

 Rain at 4 & 5 p. m. 



24 



135.8 





E. S. E. & variable. 



1.00 



Overcast to 3 a. m. clear to 9 

 a. m. Scatd.^i to 6 p. m. clear 

 afterwards, Lightning to S.W 

 at 1 a. m. 



25 



132.0 





E. & S. S. W. 



1.00 



Clear to 6 a. m. Scatd. ^i to 4 

 p. m. clear afterwards. 



26 



128.5 





S. S. W. & S. 



1.25 



Clear to 1 p. m. °i afterwards 

 Lightning to the W. & S. at 

 7 & 8 p. m. Thunder at 7 p. m. 

 Light rain between 7 & 8 p. m. 



27 



131.6 





S. S. E. & S. 



1.00 



°i to a. m. Scuds from S. to 10 

 a. m. Vi to 4 p.m. clear after- 

 wards. 



28 





1.16 



S. E. &E. 



2.75 



Clear to 7 a. m. Scuds from S. 

 to 10 a. m. Overcast afterwards 

 Lightning to the E. from 6 to 

 9 p.m. Thunder at 5 & 6 p. m. 

 rain at Noon, 5, 6 & 8 p. m. 



29 



128.0 





W. & variable. 



2.00 



Scatd. ^i to 5 a. m. \_i & ^i to 

 1 p. m. overcast afterwards 

 Lightning to the E. at 8 & 9 

 p. m. Thm rain at 6 p. m. 



30 



131.0 





S. W. & N. N. E. 



5.00 



Scatd. \ i & v_i to 1 p. m. Scatd 

 ^i to 5 p. m. overcast after- 

 wards Lightning to the S. W. 

 at 9 p. m. Thin rain at 10 & 













11 P. M. 



M Cirri, — i Strati, ^i Cumuli, M Cirro-strati, ^i Cumulo strati, ^^-i Nimbi, 

 ^i Cirro cumuli. 

 * Fell from 10 p. m. of the 21st to 6 a. m. of the 22nd. 



