Monthly Summary 



January, 1932 



Barometer 



(Readingfs reduced to sea level) 



Maximum 30.61, 16th, 17th 



Minimum 29.37, 30th 



Mean semi-daily 30.120 



Range 1.24 



Air Xempera<ure 



Highest 66, 14th 



Lowest 10, 5th 



Mean 33.5 



Monthly range 56 



Highest mean daily 52.5, 13th 



Lowest mean daily 17.5, 5th 



Mean maximum 40.2 



Mean minimum 27.3 



Greatest daily range 26, 6th, 14th 



Least daily range 3, 9th, 23rd 



Precipitation 



Precipitation. In inches 3.67 



Snow, in inches 7.75 



Maximum precipitation 24 hrs. .68, 



6th, 7th 

 Number of days on which .01 or more 



inches of rain fell 17 



Wind (miles) 



Total movement 4,870 



Greatest daily movement 448, 31st 



Least daily movement 38, 9th 



Mean hourly velocity 6.5 



Maximum velocity for 5 min. ... 39, 31st 

 (corrected to conform to 8 cup anemoujeter) 



Wind (direction) 



Prevailing direction nw 



North, days 4 



Northeast, days 



East, days 



Southeast, days 5 



South, days 2 



Southwest, days 



West, days 7 



Northwest, days 13 



Weather 



Mean relative humidity, per cent . . 70.9 



Mean cloudiness, per cent 78 



Number of clear days 6 



Number of fair days 3 



Number of cloudy days 22 



Number of hours bright sunshine 74.2 

 Percent of possible hours of bright 



sunshine 25 



Normal 



Extremes 



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 



78.2 

 54 

 8 

 10 

 13 

 140 



47.6 



31.00, 

 28.55, 



1927 

 1913 



2.18, 1913; 0.97, 1896 



61.5, 

 -26.0, 



1890 

 1904 



7.15, 1898; 1.07, 

 33, 1898,1923; 1.75, 



1896 

 1911 



18, 1923; 4, 1889 

 7,770, 1908; 2,896, 1895 



40, 1913 



85.3, 1927; 65 



66, 1898: 



16, 1922 



18, 1890, 1926: 



22, 1923; 



214, 1920; 



2, 1890 

 18, 1922 



; 2, 1914 

 3,1916 

 4, 1920 



76, 1923 



NOTE-The first column in the above summary gives observations made during the 

 month. The second column dives averages based on observations made from 1«S9 to 

 1928. The third column gives extremes observed from I88i) to 1.')3I. 



