Annual Summary for 1924. 



Pressure. In inches. 



Maximum reduced to freezing, 3o-44i Jan. and, 9 A. 



Minimum reduced to freezing ■ 28.88. Dec. i3tn, 7 p. 



Maximum reduced to freezing and sea-level, 30/7. Jan. 2nd, 9 A. 



Minimum reduced to freezing and sea-level 29.19, Dec. 13th, 7 p. 



Mean semi-daily reduced to freezing and sea-level, 30.010 



Annual range, ''5° 



*Air Temperature. In degrees Fahr. 



Highest, .97.0, Aug. 7th, 1:00 P. 



Lowest -8.0, Jan. 27th, 6:00 A. 



Jan. 28th, 6:00 A. 



Mean hourly, 46-6 



Mean of means of max. and min., 46.7 



Mean sensible (wet bulb), 4i-o 



Annual range, 105.0 



Highest mean daily 78.8, Aug. 7th. 



Lowest mean daily, -0.3. Jan. 27th. 



Mean maximum, 57-8 



Mean minimum, 33-7 



Mean daily range, 22.1 



Greatest daily range, . . • 43o. Oct. 23rd., 24th. 



Least daily range 3-". Feb. 5th. 



Humidity. 



Mean dew point 3^-4 



Mean force of vapor 362 



Mean relative humidity, 73-9 



AVind. 



Prevailing direction West 



Summary. 



North 10 per cent 



North Northeast 9 " " 



South 9 " 



South Southwest 19" 



Northwest 9 " " 



Other directions, 41 " 



Total movement 53.855 "i 



Greatest daily movement 553m.,Mar.i2th 



Least daily movement, .... 22 m., Dec. 12th 



Mean daily movement, 147 m 



Mean hourly velocity, 6.1 m 



Maximum pressure per square foot, 23.5 lbs.,= 



69 m. per hour, Apr. 14th. 3 p., N. \\'. 

 Maximum velocity for 5 minutes, 42 m. per 

 hour, July 13th, 1 p., S.W. 



Temperature in ground shelter. 



Precipitation. In inches. 

 Total precipitation, rain or melted snow, . 30.96 



Snow total in inches, .... 45.0 



Numter of days on which .01 or more rain 

 or melted snow fell, 9& 



Weatlier. 



Mean cloudiness observed, 41 per cent. 



Total cloudiness recorded by Sun Thermom- 

 eter, .' 1637 hrs.=37 per cent. 



Number of clear days, 141 



Number of fair days, I45 



Number of cloudy days, 80 



Bright Sunsliiiie- 



Number of hours recorded, 283S hrs.=63 per cent 



Dates of Frosts, 



Last, May 2d 



First Sept. 24th 



Dates of Snow. 



Last April Sth 



First, Nov. 9th 



Total days of sleighing, 54 



Gales of 50 or More Miles Per Hour. 



Jan. ist, 5Sm, N.W.; nth, 67m, S.S.E.; 21st, 63m, 



N.W.; 26th, 56m, N.VV. 

 Mar. nth, 57m, N.E.; 12th, 63m, N.N.E.; 28th, 



59m, W.N.W. 

 Apr. 14th. 69m, N.W.; 51m, 24th, N.N.W. 

 May iSth, 52m, S. 

 July 13th, 56m, S.W. 

 Nov. 17th, 55m, N.N.W. 



JAMES BOWER Jr. 

 Ohseri'er. 



J. E. OSTRANDER, 



Meteorologist. 



