Me leoro log ica I Observations. 



XXIX 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of April 1870. 

 Solar Radiation, Weather, &c. 







£> O 





03 A 



tr, > . 



03 



ft 



Si 



S3 C r^ 



Wind. 



Prevailing 



direction. 



ft % 



o 

 133.0 



128.9 

 131.2 



130.2 



125.0 



6 132.2 



7 130.0 



b 128.2 



10 



13 



11 



Inches 



125.5 



122.5 



122.0 



128.8 



125.5 



126.0 



s. w. & s. s. w. 



W. by N. & N. 



s. & w. 



w.s.w.&s.s.w. 



0.07 



1.27 



0.G6 



lb 

 1.0 



0.27 S.S. E. & Variable 0.4 



S S W & S by W 



s. & s. s. w. 



s. s. w. 



S & Variable. 



E.S.E.&N.N.E. 



0.G9 



E,&E. by S. 



E. S.E. &S. S.E, 



S.SE,SbyE.&SW 

 S.S.W,&.S.byW. 



18.0 



40.0 



4.0 



Miles 

 170.5 



197.4 

 134.9 



3.0 145.9 



159.2 



143.4 

 155.6 



245.2 



225.7 



241.9 



137.4 

 139.3 



167.5 

 216.0 



General aspect of the Sky. 



Clear to 2 p. m., \ i to 6 p. 

 M., W afterwards. Lightning 

 to W from 9 to 11 p. m. 



Clouds of different kinds. 



Stratoni to 3 a. m., \i to 11 

 a. m., v_.i & \i to 8 p. m., 

 clear a f terward s . 



Clouds of different kinds. 

 Brisk wind between 6 & 6| p. 

 M. Thunder & lightning at 5, 



6 & 9 p.m. Drizzled at 5| p.m. 

 Overcast to 11 a. m.. clear 



afterwards. Thunder from 5 

 to 9 a. m. Lightning at 3, 4& 



7 a. m., slight rain at 3|, 6, 7 

 & 9 a. m. 



Chiefly clear. 



Clear to 1 p. M., ^i to 4 p. 

 m., clear afterwards. 



Clearto 4<A.M.,'~i to 10 a.m., 

 clear to 3 p. m., clouds of dif- 

 ferent kinds to 8 p. m., clear 

 afterwards. Storm between 

 4.j & 5 p. m. Thunder, light- 

 ning & rain at 5 p. M. 



Clouds of different kinds to 

 2 p. m., overcast afterwards. 

 Storm at 6| p. M., thunder & 

 lightning at 4 a. m. 3 p. m. & 

 from 5 to 8 p. m. IJain at 4 a. 



& from 4j- to 7 



M, 



Clouds of different kinds to 

 6 a. m., clear to 10 a. m., *~ i 

 to 4 p. m., clear afterwards. 

 Brisk wind between midnight 

 & 1 A. m. Thunder & lightning 

 from midnight to 2 A. M., rain 

 at 1 p. m • 



Clear. 



Clear to 10 a. m., ^i te 6 p. 

 m., stratoni afterwards. Eain 

 between 2 & 3 p. m. 



Chiefly r\\. Lightning to S. 

 at 4 a. m. 



Clear to 4 a. m. Scuds from 

 S S W to 8 a. m., clear after- 

 wards. 



