Meteorological Summary for 1823. — Hampshire. 155 



ANNUAL RESULTS FOR 1823. 



Barometer. Inches. 



Greatest pressure of atmosphere, Nov. 1 1th. Wind E. 30-600 



Least ditto ditto Feb. 2d. Wind N.E. 28*520 



Range of the mercury 2-080 



Annual mean pressure of the atmosphere . . . 29*831 

 Mean pressure for 181 days, with the moon in North 



declination 29-887 



Mean pressure for 204 days, with the moon in South 



declination '. . . 29-810 



Annual mean pressure at 8 o'clock A.M. . . . 29'828 



at 2 o'clock P.M. ... 29-829 



at 8 o'clock P.M.. . . . 29*832 



Greatest range of the mercury in October . . . 1*740 



Least range of ditto in July . . . . 0-530 



Greatest annual variation in 24 hours in December 0*990 



Least of the greatest variations in 24 hours in May 0*360 

 Aggregate of the spaces described by the alternate 



rising and falling of the mercury 79*880 



Number of changes 254* 



Self-registering Day and Night TJiermometer. 



Greatest thermometrical heat, June 1st. Wind S. . 76° 



cold, Jan. 19th. Wind E. 18 



Range of the thermometer between the extremes . 58 



Annual mean temperature of the external air . . 50*54 



■ of do. at 8 A.M. . . 49*79 



of do. at 8 P.M. . . 50*06 



of do. at 2 P.M. . . 55*27 



Greatest range in January and June 34.00 



Least of the monthly ranges in February . . . 22*00 



Annual mean range 27*40 



Greatest monthly variation in 24 hours in May and 



June 24*00 



Least of the greatest variations in 24 hours in Fe- 

 bruary and September 17*00 



Annual mean temperature of spring water at 8 A.M. 50*47 



De Luc's Whalebone Hygrometer. Degrees. 



Greatest humidity of the atmosphere on the 27th Jan. 97 



Greatest dryness of ditto on the 1 7th June ... 31 



Range of the index between the extremes . . . 66 



Annual mean of the hygrometer at 8 o'clock A.M. 66-6 



at 8 o'clock P.M. 69-6 



at 2 o'clock P.M. 59*1 



at 8, 2, & 8 o'clock 65*1 



U 2 Greatest 



