Monthly Summary 



January. 1936 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.54, 8th 



Minimum 29.17, 23rd 



Mean semi-daily 29.962 



Range 1.37 



Air Temperature 



Highest 50, 3rd 



Lowest -6, 30th 



Mean 23.8 



Monthly range 56 



Highest mean daily 42, 3rd 



Lowest mean daily 7, 27th 



Mean maximum 31.3 



Mean minimum 16.3 



Greatest daily range 36, 23rd 



Least daily range 4, 11th 



Precipitation 



Precipitation. In inches 6.47 



Snow, in inches 20.50 



Maximum precipitation in 24 hrs. 



1.87, 2nd, 3rd 

 Number of days on which .01 or more 



inches of precipitation fell ... 13 

 Wind (miles) 



Total moveinent 5,199 



Greatest daily movement 400, 28th 



Least daily movement 31, 2nd 



Mean hourly velocity 7 



Maximum velocity for 5 min., 32, 19th 



Wind (direction) 



Prevailing direction nw 



North, days 4 



Northeast, days 



East, days 



Southeast, days 2 



South, days 3 



Southwest, days 1 



West, days 7 



Northwest, days 14 



Weather 



Mean relative humidity, per cent. . 67.3 



Mean cloudiness, per cent 50.3 



Number of clear days 15 



Number of fair days 4 



Number of cloudy days 12 



Number of hours bright sunshine . 163 

 Percent of possible hours -of bright 



sunshine 55.0 



Thunder and Lightning 



Frosts '. 



30.71 



29.18 



30.07 



1.54 



50.4 



-7.4 

 23.8 

 58.2 



3.42 

 13 



11 

 5,068 



6.8 

 30 



69.5 

 54 



8 



10 



13 



140 



47.6 



31.00, 1927 

 28.55, 1913 



2.18, 1913; 0.97, 1896 



66.0, 1932 

 -26.0, 1904 



7.15, 1898; 1.07, 1896 

 33, 1898, 1923; 1.75, 1911 



18, 1923; 4, 1889 

 7,770, 1908; 2,896, 1895 



41, 1911 



78, 1932; 37, 1908 



16, 1922; 2, 1914 



18, 1890, 1926; 3, 1916 



22, 1923, 1931; 4,1920 



214, 1920; 74.2, 1932 



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

 year. The second column arives the averages b:i8ed on observations made from 1889 to 

 19-28. except that humidity records are based on observations made from 1929 to 1985. 

 The third column gives extremes observed from 1889 to 1935. 



