158 Meteorological Observations for December 1831. 



LUNAR OCCULTATIONS FOll FEBRUARY. 



OccuUations of Planets and fixed Stars by the Moon, in February 

 1832. Computed for Greenviich, by Thomas Henderson, £55-. ,- 

 and circulated by the Astronomical Society. 



METEOROLOGICAL, OBSERVATIONS FOR DECEMBER 1831. 



Gosport : — Numerical Results Jbr the Month. 



Barom. Max. 30-458. Dec.27.WindN.E.— Min.29-012. Dec. 7. WindS.W. 

 Range of the mercury 1-446. 



Mean barometrical pressure for the month 29-836 



Spaces described by the rising and falling of the mercury 6-187 



Greatest variation in 24 hours 0-469. — Number of changes 27. 

 Therm. Max. 58°. Dec. 8. Wind S.W.— Min. 28°. Dec. 31. Wind N.E. 

 Range 30°.— Mean temp, of exter. air 45°-55. For 29 days with in / 47-98 

 Max. var. in 24 hours 13°-00.— Mean temp, of spring water at 8 A.M. 61-96 



De Luc's Whalebone Hygrometer. 



Greatest humidity of the atmosphere, in the morning of the 21st ... 94° 



Greatest dryness of the atmosphere, in the afternoon of the 3rd 64-0 



Range of the index 30-0 



Mean at 2 P.M. 78°-9.— Mean at 8 A.M. 84°2.— Mean at 8 P.M. 8.3-2 



of three observations each day at 8, 2, and 8 o'clock 82-1 



Evaporation for the month 0-80 inch. 



Rain in the pluviameter near the ground 3-880 inches. 



Prevailing wind, South-west. 



Summary of the Weather. 

 A clear sky, 3^; fine, with various modifications of clouds, 9; an over- 

 cast sky without rain, 12^; rain, 6. — Total 31 days. 



Clouds. 



Cirrus. Cirrocumulus. Cirrostratus. Stratus. Cumulus. Cumulostr.Nimbu<!. 



17 2 81 9 11 18 



Scale 



