ANNUAL Summary 



Annual, 1929 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.74, Jan. 5th 



Minimum 28.99, Apr. 17th 



Mean semi-daily 29.938 



Range 1.75 



Air Temperature 



Highest 97.0, Sept. 4th 



Lowest -11.0 Jan. 16th 



Mean 47.6 



Annual range 108.0 



Highest mean daily 81.5, Sept. 4th 



Lowest mean daily 7.3, Jan. 16th 



Mean maximum 58.1 



Mean minimum 37.2 



Greatest daily range ... 48.0, Sept. 24th 

 Least daily range 3.0, Sept. 9th 



Preci|>ita<ioii 



Precipitation. In inches 40.96 



Snow, in inches 54 



Maximum precipitation in 24 hrs. 1.96, 



Feb. 6th, 7th. 

 Number of days on which .01 or 



more inches of rain fell 129 



Wind (miles) 



Total movement 55,888 



Greatest daily movement 525, Mar. 17th 



Least daily movement 8, Nov. 12th 



Mean hourly velocity 6.4 



Maximum velocity for 5 min 38,Jan. 23rd 



(corrected td conlomi to 3 cuji anemometer) 

 Wind (direction) 



Prevailing direction wsw 



North, days 21 



Northeast, days 6 



East, days 8 



Southeast, days 60 



South, days 55 



Southwest, days 49 



West, days 79 



Northwest, days 87 



Weather 



Mean relative humidity, per cent. . 69.2 



Mean cloudiness, per cent 52.3 



Number of clear days 99 



Number of fair days 137 



Number of cloudy days 129 



Number of hours bright sunshine 1910 

 Percent of possible hours of bright 



sunshine 42.9 



Thunder and lightning 



Last Frost May 23rd 



First Frost Sept. 19th 



Last Snow Apr. 22nd 



First Snow Nov. 21st 



30.81 



28.95 



30.016 



1.86 



95.8 

 -12.1 

 47.2 

 108.0 



58.1 

 36.1 



43.40 

 48.38 



123 



52,321 



6.0 

 35 



75.8 

 50.8 

 109 

 128 

 128 

 2,356 



53 



M'yl2 

 S't 19 

 Apr 14 

 Nov 5 



31.00, 1927 

 28.47, 1914 



2.33, 1913; 1.55, 1923 



101, 1919 



-26.0, 1904 



49.6, 1913; 44.0, 1904 



57.05,1897; 30.68, 1908 

 73.00, 192J ; 24.50, 1919 



144, 1902 ; 96, 1924 

 63,571, 1908 ; 36,257, 1894 



42, 1912 



82.9, 1927; 66.8, 1891 



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



145, 1891; 59, 1927 



182, 1912; 83, 1894 



192, 1920; 71,1910 



2,793, 1910 ; 1864, 1902 



Apr. 23, 1904; June 3, 1908 



Aug. 22, 1894; Oct. 13, 1909 



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



Oct. 10, '25; Nov. 26, '91 



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 iSSq 

 to 1928. 



