ANNUAL SUMMARY 



Annual, 1945 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.69, Apr. 7 



Minimum _.28.98, Jan. 1 



Mean semi-daily 30.017 



Range — l.T'l 



Air Temperature, in degrees F. 



Highest 92, June IS, 30 ; July 1 



Lowest . -10, Jan. 25 



Mean 47.9 



Range 102 



Highest mean daily 80, June 30 



Lowest mean daily — -1, Jan. 25 



Mean maximum — — - -—58.6 



Mean minimum - 37.5 



Greatest daily range - . 44, Apr. IC 



Least daily range ..— 4, Mar. 22; Nov. 11 



Precipitation, in inches 



Precipitation 51.46 



Snow 65.30 



Maximum precip. in 24 hrs 2.83, Apr. 25 



Number of days with .01 or more ..— 146 



Wind, in miles 



Total movement 47,44S 



Greatest daily movement — -484, Apr. 22 



Least daily movement -0, Dec. 15 



Mean hourly velocity 5.4 



Maximum velocity — 45, Jan. 24 



Wind, direction 



Prevailing direction — W 



North, days 16 



Northeast, days - - - — 1 



East, days .....20 



Southeast, days 101 



South, days 16 



Southwest, days -20 



West, days 80 



Northwest, days - 11 1 



Weather 



Mean relative humidity, percent 71.5 



Mean cloudiness, percent 56 



Number of clear days — 132 



Number of fair days 121 



Number of cloudy days 112 



Number hours bright sunshine 2332 



Percent of possible hours of bright 



sunshine 52.4 



Last snow May 11 



First snow ...Nov. 29 



Last frost Apr. 24 



First frost Oct. 4 



Normal 



30.81 



28.95 



30.01 



1.85 



95.7 

 -12.2 



47.4 

 107.8 



57.8 

 36.5 



43.70 



47.78 



124 



52,223 



5.8 

 39.5 



W 



67.6 



51.7 

 116 

 123 

 126 

 2,353 



52.8 

 April 15 

 Nov. 6 

 May 14 

 Sept. 21 



Extremes 



31.05, 1920, 1943 

 28.41, 1938 



2.47, 1938; 1.38, 1933 



104, 1911 



-26, 1904 



49.8, 1921 ; 44, 1904 



59.00, 1938; 30.68, 1908 

 89.00, 1893; 24.50, 1919 



144, 1902; 96, 1924 



63,571, 1908; 36,257, 1894 



80, 1938 



60, '98, '01, '02; 41, '08, '24 



217, 1941; 59, 1927 



182, 1912; 64, 1936 



179, '01, '02; 71, 1910, 1941 



3038, 1941; 1864, 1902 



Mar. 14, '10; May 11, '07 



Oct. 10, '25; Dec. 13, '41 



Apr. 14, '43 ; June 8, '32 



Aug. 22, '94, '95 ; Oct. 13, '09 



