^^■ Y.iHT^/[OM 

 ANNUAL SUMMARY 



Annual, 1946 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum ..30.70, Jan. 20 



Minimum 29.23, Feb. 14 



Mean semi-daily 30.046 



Range 1 .47 



Air Temperature, in degrees F. 



Highest 95, July 19 



Lowest — «, Jan. 28, Feb. 4 



Mean 48.7 



Range .. 103 



Highest mean daily 81.5, July 20 



Lowest mean daily 6.0, Jan. 20 



Mean maximum 59.7 



Mean minimum 37.6 



Greatest daily range _43, Apr. 23 



Least daily range 4, Mar. 2 



Precipitation, in inches 



Precipitation ..._ 38.61 



Snow .-. - 50.60 



Maximum precip. in 24 hrs 3.46, July 23rd 



Number of days with .01 or more. ....Ill 



Wind, in miles 



Total movement 48,381 



Greatest daily movement 499, Feb. 21 



Least daily movement _ ..9, Jan. 17 



Mean hourly velocity _ 5.5 



Maximum velocity 50, Feb. 20 



Wind, direction 



Prevailing direction WSW 



North, days ....23 



Northeast, days — - 7 



East, days _... 12 



Southeast, days 81 



South, days .. 32 



Southwest, days 39 



West, days 78 



Northwest, days 93 



Weather 



Mean relative humidity, percent 68.1 



Mean cloudiness, percent ..51.6 



Number of clear days 166 



Number of fair days 97 



Number of cloudy days 102 



Number of hours bright sunshine 2642 



Percent of possible hours of bright 



sunshine _ 59.3 



Last snow .Apr. 8 



First snow Dec. 17 



Last frost May 4 



First frost Oct. 22 



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 



146, 1945; 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,'45 

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

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



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



