1818.] kept at the Academy of Gosport. 165 



ANNUAL RESULTS. 



BAROMETER. 



Inches. 



Highest observation, March 31, Wind W 30*74 



Lowest ditto, Dec. 8, Wind W.N.W 28-68 



Range of the mercury 2*06 



Mean annual barometrical pressure 30-008 



Greatest range of the mercury, in January 1-80 



Least range of ditto, in April 0-78 



Mean annual range of ditto 1-204 



Spaces described by ditto 75-55 



Greatest variation in 24 hours, in January 0-96 



Least ditto in 24 hours, in May 0-38 



Total number of changes in the year 278 



six's thermometer. 



Greatest observation, June 22 and 23. Wind N. and S. 88° * 



Least ditto, January 11, ditto. Wind N.W 21 



Range of the mercury in the thermometer 67 



Mean annual temperature of the atmosphere 50*545 



Mean ditto of ditto at 8 A.M 49-432 



Mean ditto of ditto at 2 P.M 57-765 



Mean ditto of ditto at 8 P.M 48-896 



Greatest range, in June 45 



Least range, in February 22 - 



Mean annual range 33 



Greatest variation in 24 hours 29 



WINDS. 



Days. 



From North to East 67 



From East to South 54 



From South to West 134 



From West to North 110 



365 



WEATHER. 



Days. 



A transparent atmosphere 50 



Sunshine, with various modifications of cloud 147 



An overcast sky, foggy, &c. without rain 50 



Rain, hail, snow, and sleet 118 



365 



* A tremendous storm of wind, rain, sleet, hailstones (some of them £ inch in 

 diameter with icy nuclei), lightning, and thunder, for several degrees in a S.W. 

 'Iircction, put a period to this excess of beat, at four P.M. on Jane 23. 



