366 Dj\ Bitrmi/s MeteoroIogicalJounml keptatGosport. [May, 



ANNUAL RESULTS. 



Barometer. 



Inches.^ 



Greatest pressure of the atmosphere, Jan. 9. Wmd E. . 30-72 

 Least pressure of the atmosphere, Oct. 22. Wind W. . . 28*40 



Mean range of the mercury 2*32 



Annual mean pressure of the atmosphere 29*873 



Mean pressure for 180 days, with the moon in S. dech- 



nation 29*897 



Mean pressure for 186 days, with the moon in N. decli- 

 nation. . 29*849* 



Annual mean pressure at eight o'clock, a.m 29*887 



at two o'clock, p. m 29*882 



'■ at eight o'clock, p. m 29*882 



Greatest range of the mercury in October 2* 190 



Least ditto, ditto, in August 0*780 



Greatest annual variation in 24 hours in October 0*980 



Least of the greatest variations in 24 hours in June .... 0*360 

 Spaces described by the oscillations of the mercury .... 71*650 

 Number of changes, caused by the variations in the 

 weight of the atmospheric column 271 



Da2/ and Night Thermometer, 



Degrees. 



Greatest thermometrical heat, June 26. Wind W 87*00 



cold, Jan. 15. Wind N.E. . . . 14*00 



Annual range of the thermometer between the extremes. 73*00 



Annual mean temperature of the atmosphere 50*13 



at 8 a.m. . 49*00 



at 8 p.m. . 48*77 



at 2 p.m.. 55*61 



Greatest range in June 47*00 * 



Least of the greatest ranges in October 25*00 



Annual mean range 34*00 



Greatest annual variation in 24 hours in June 30*00 



Least of the greatest variations in 24 hours in December 14*00 



De Luc's Whalebone Hygrometer, 



Degrees. 



Greatest humidity of the atmosphere, 15 times 100*0 



Greatest dryness of ditto on July 1 and 25 33*0 



Annual range of the index between the extremes 67*0 



Annual mean of the hygrometer at 8 a. m 67*9 



at 8 p. m 71*7 



