Annual Summary 



Annual, 19S8 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.87, Dec. 29 



Minimum 28.99, Mar. 8 



Mean semi-daily 29.985 



Range 1.38 



Air Temperature 



Highest 98, Aug. 1 



Lowest -20, Dec. 30 



Mean 48.2 



Range 118 



Highest mean daily 87.5, July 30 



Lowest mean daily -11.5, Dec. 30 



Mean maximum 58.0 



Mean minimum 38.4 



Greatest daily range 47, Feb. 8 



Least daily range 2, Sept. 16 



Precipitation 



Precipitation. In inches 50.33 



Snow, in inches 63.75 



Maximum precipitation in 24 hrs. 6.32, 



Sept. 15, 16 

 Number of days on which .01 or more 



inches of rain fell 134 



Wind (miles) 



Total movement 56,704 



Greatest daily movement . .552, Jan. 29 

 Least daily movement, 37,Oct. 27, Dec. 13 



Msan hourly velocity 6.5 



Maximum velocity for 5 min., 45, Feb. 

 21, Mar. 9 



(conecterl to confor m to a cvip aneinouieter) 

 Wind (direction) 



Prevailing direction w 



North, days 19 



Northeast, days 12 



East, days 10 



Southeast, days 93 



South, days 25 



Southwest, days 21 



West, days 58 



Northwest, days 127 



Weather 



Mean relative humidity, per cent . . 66.0 



Mean cloudiness, per cent 59.0 



Number of clear days 126 



Number of fair days 105 



Number of cloudy days 134 



Number of hours bright sunshine 2203.5 

 Percent of possible hours of bright 



sunshine 49.4 



Last Frost June 2 



First Frost Sept. 12 



Last Snow April 26 



First Snow Nov. 6 



30.81 



28.95 



30.016 



1.86 



95.8 

 -12.1 



47.2 

 108.0 



57.8 

 36.5 



43.49 

 48.38 



123 



52,321 



6.0 

 35 



31.05, 

 28.47, 



1920 

 1914 



2.33, 1913; 1.55, 1923 



104, 



-26.0, 



49.6, 1913; 44.0, 



1911 

 1904 

 1904 



57.05, 1897; 30.68, 1908 

 78.00, 1920; 24.50, 1919 



144, 1902; 96, 1924 

 63,571, 1908; 36,257, 1894 



48, 1932 



75.8 82.9, 1927; 64.9, 1932 

 50.8 60, '98, '01, '02; 41, '08, '24 

 109 150, 1932; 59, 1927 



128 182, 1912; 83, 1894 



128 179, '01, '02; 71, 1910 

 2,356 2,838, 1924; 1,864, 1902 



53.0 

 M'yl2 

 S't 19 

 Aprl4 

 Nov 5 



Apr. 23, 1904; June 8, 1932 

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

 Mar. 14, '10; May 5, '91, '17 

 Oct. 10. '25; Nov. 27, 1931 



NOTE-The first .■oUimn in the above summary gives observations made during the 

 year. The seeond and tliiid colnuins give the averages and extremes observed from 

 1889 to 1932. 



450-1 933-6861 



