318 Meteorological Observations for August 1831. 



LUNAR OCCULTATIONS FOll OCTOBER. 



Occultations of Planets and fixed Stars by the Moon, in October 

 1831. Computed for Greenxjoich, by Thomas Henderson, £sy. ; 

 and circulated by the .-Istrunomical Society. 



METEOROLOGICAL OBSERVATIONS FOR AUGUST 1831. 



Gosport: — Numerical Results for the Month. 



Barom. Max. 30-296. Aug.23. WindN.E.—Min. 29-655. Aug. 7- WindS.E. 

 Range of the mercury 0-641. 



Mean barometrical pressure for tlie month 29-986 



Spaces described by the rising and falling of the mercury 3-559 



Greatest variation in 24 hours 0-317- — Number of changes 16. 

 Therm. Max. 77°. Aug. ]. Wind N.E.— Min. 52°. Aug. 17. Wind N. 

 Range 25°. — Mean temp, of exter. air 65°-13. For 31 days with © in S^ 65-43 

 Max. var. in 24 hours 22°00.— Mean temp, of spring-water at 8 A.M. 52-98 



De Luc's Whalebone Hygrometer. 



Greatest humidity of the atmosphere, in the evening of the 9th 92° 



Greatest dryness of the atmospiiere, in the afternoon of the 1st 44-0 



Range of the index 48-0 



Mean at 2 P.M. 55°-5.— Mean at 8 A.M. 64=4.— Mean at 8 P.M. 70-2 



of three obser\'ations each day at 8, 2, and 8 o'clock 63'3 



Evaporation for the month 3-35 inches. 



Rain in the pluviameter near the ground 1-815 inch. 



Prevailing wind, West. 



Summary of the Weather. 

 A clear sky, 2; fine, with various niodiKcations oi clouds, 21 ; nn over- 

 cast sky without rain, 5 ; rain, 3. — Total 31 days. 



Clouds. 



