Annual Summary 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.77,Dec. 9th 



Minimum 29.08, Mar. 21st 



Mean semi-daily 30.018 



Range 1-69 



Air Temperature 



Highest 98, July 8th 



Lowest -12, Feb. 20th 



Mean 47.9 



Annual range HO 



Highest mean daily ... . 82.5, Aug. 16th 



Lowest mean daily 5.5, Feb. 20th 



Mean maximum 58.0 



Mean minimum 37.6 



Greatest daily range 42, May 23rd 



Least daily range 2, Oct. 17th, Dec. 1 1th 



Precipitation 



Precipitation. In inches 48.24 



Snow, in inches 47.50 



Maximum precipitation in 24 hrs. 



2.13, Mar. 18th 

 Number of days on which .01 or more 



inches of precipitation fell. . .143 

 Wind (miles) 



Total movement 51,222 



Greatest daily movement 400, Jan. 28th 

 Least daily movement .... 24, Nov. 25th 



Mean hourly velocity • • • 5.8 



Maximum velocity, 5 min., 44, July 9th 



Winfl (direction) 



Prevailing direction w 



North, days 45 



Northeast, days 8 



East, days JO 



Southeast, days 61 



South, days ol 



Southwest, days ft 



West, days ^^ 



Northwest, days "'^ 



M'eather 



Mean relative humidity, per cent. . 68.0 



Mean cloudiness, per cent 52.7 



Number of clear days 169 



Number of fair days 6'4 



Number of cloudy days 133 



Number of hours bright sunshine . 2466 

 Percent of possible hours of bright 



sunshine 55.4 



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 



67.5 

 50.8 

 109 

 128 

 128 

 2,356 



53.0 



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, 1934 



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

 150, 1932; 59, 1927 

 182, 1912; 83, 1894 

 179, '01, 'C2; 71,1910 

 2,838 1924; 1,864, 1902 



Last frost May 22nd M'y 12 iApr. 23, 1904; June 8, 1932 



Mrst frost ; Sept. 26th S't 19 j Aug. 22, '94, '95; Oct. 13, '09 



Last snow April 2nd Aprl4 Mar 14 '10; May 5, '91 ;i7 



First snow Nov. 24th Nov. 5 Oct. 10, '25; Nov. 27, '31 



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

 month. The second column gives the averages based on observations made from 18S9 

 to 1928. except that humidity records are based on observations made from 1929 to 1935 

 The third column gives extremes observed from 1889 to 1935. 



