Meteorological Observations for April 1828. 467 



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METEOROLOGICAL OBSERVATIONS FOR APRIL 1828. 



Gosport. — Numerical Results for the Month. 



Barom. Max. 30-28 April 30. WindNE.— Min. 29-10 April 8. Wind S.E. 

 Range of the index 1-18. 



Mean barometrical pressure for the month 29-736 



Spaces described by the rising and falling of the mercury. 5-550 



Greatest variation in 24 hours 0-380. — Number of changes 1 8. 

 Therm. Max. 69° April 29. Wind S.E.— Min. 35° April 3. Wind N. 

 1 Range 34°.— Mean temp.of exter. air 51°-33. For 30 days with in V 48*22 

 Max. var. in 24 hours 20°-00— Mean temp, of spring water at 8 A.M. 50°-89 



De Luc's Whalebone Hygrometer. 



. Greatest humidity of the air in the evening of the 24th 88° 



. Greatest dryness of the air in the afternoon of the 28th 42 



. Range of the index 46 



Mean at 2 P.M. 60°-0 —Mean at 8 A.M. 65°-0— Mean at 8 P.M. 74-4 



, of three observations each day at 8, 2, and 8 o'clock 66-5 



. Evaporation for the month 2-20 inches. 

 . Rain. near ground 2-725 inch. 



Summary of the Weather. 

 A clear sky, 2; fine, with various modifications of clouds, W\$ an over- 

 cast sky without rain, 9£ ; rain, 7- — Total 30 days. 

 Clouds. 

 - Cirrus. Cirrocumulus. Cirrostratus. Stratus. Cumulus. Ciumilostr. Nimbus. 

 20 12 26 15 25 



3 2 Scale 



