Annual Summary 



Annual, 1934 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.83, Feb. 28 



Minimum 29.04, Jan. 28 



Mean semi-daily 30.044 



Range 1.79 



Air Temperature 



Highest 93, June 29 



Lowest -22, Feb. 9 



Mean 46.7 



Monthly range 115 



Highest mean daily 81.5, July 26 



Lowest mean daily -10.0, Feb. 9 



Mean maximum 56.7 



Mean minimum 36.8 



Greatest daily range 42, Feb. 28 



Least daily range . . 3, Jan. 6 & 8, Dec. 2 



Precipitation 



Precipitation. In inches 45.51 



Snow, in inches 39.00 



Maximum precipitation in 24 hrs. 4.54, 



Sept. 16 & 17 

 Number of days on which .01 or more 



inches of rain fell 119 



Wind (miles) 



Total movement 50,634 



Greatest daily movement . . 521 Dec. 27 



LBast daily movement 32, Jan. 6 



Mean hourly velocity 5.8 



Maximum velocity for 5 min., 48, Feb. 20 



(corrected to conform to S cud anemometer) 

 Wind (direction) 



Prevailing direction w 



North, days 19 



Northeast, days 11 



East, days 15 



Southeast, days 82 



South, days 33 



Southwest, days 28 



West, days 47 



Northwest, days 99 



Weather 



Mean relative humidity, per cent . . 66.5 



Mean cloudiness, per cent 54.6 



Number of clear days 138 



Number of fair days 101 



Number of cloudy days 126 



Number of hours bright sunshine 2393.5 

 Percent of possible hours of bright 



sunshine 53.7 



Last Frost May 13 



First Frost Oct. 2 



Last Snow Mar. 24 



First Snow Oct. 13 



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 



75.8 

 50.8 

 109 

 128 

 128 

 2,356 



53.0 

 M'yl2 



S'tl9 

 Apr 14 



Nov 5 



31.05, 1920 

 28.47, 1914 



2.33, 1913; 1.38, 1933 



104, 1911 



-26.0, 1904 



49.6, 1913; 44.0, 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 



82.9, 1927; 64.9, 1932 



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



150, 1932; 59, 1927 



182, 1912; 83, 1894 



179, '01, '02; 71, 1910 



2,838, 1924; 1,864, 1902 



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, '31 



Note— The first column in the above summary gives observations made during the 

 year. The second and third columns give the averages and extremes observed from 

 1889 to 193H. 



