Monthly Summary 



March, 1929 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.42, 11th 



Minimum 29.01, 5th 



Mean semi-daily 29.924 



Range 1.41 



Air Temperature 



Highest 67.5, 13th, 31st 



Lowest 3.5, 10th 



Mean 37.8 



Monthly range 64.0 



Highest mean daily 53.5, 22nd 



Lowest mean daily 16.8, 10th 



Mean maximum 46.8 



Mean minimum 28.8 



Greatest daily range 39, 12th 



Least daily range 3.5, 5 th, 23rd 



Precipitation 



Precipitation. In inches 3.20 



Snow. In inches 4.5 



Maximum precipitation in 24 hrs. 1.01, 



14th 

 Number of days on which .01 or 



more inches of rain fell 14 



Wind (miles) 



Total movement 6089 



Greatest daily movement 525, 17th 



Least daily movement 41, 15th 



Mean hourly velocity 8.2 



Maximum velocity for 5 min 35, 7th 



^corrected to conform to 3 cup anemometer) 

 Wind (direction) 



Prevailing direction wsw 



North, days 3 



Northeast, days 



East, days 



Southeast, days 3 



South, days 6 



Southwest, days 4 



West, days 9 



Northwest, days 6 



Weather 



Mean relative humidity, per cent 71.3 



Mean cloudiness, per cent 50.0 



Number of clear days 7 



Number of fair days 12 



Number of cloudy days 12 



Number of hours bright sunshine 156.7 

 Percent of possible hours of bright 



sunshine 42.0 



30.60 



29.26 



30.02 



1.35 



63.9 



5.7 

 34.2 

 58.2 



3.68 

 8.11 



11 



5738 



7.7 

 29 



75.0 

 51.0 



11 

 9 



11 

 201 



54.4 



30.96, 1904 

 28.47, 1914 



2.10, 1914; 0.85, 1915 



79.5, 1907, 1921 

 -7.5, 1906 



7.13, 1899; 0.12, 1915 

 27, 1899; 0, 1921 



17, 1890, 1913; 3, 1915 

 7485, 1911; 3006, 1905 



39, 1913 



86.8, 1916 ; 63.7, 1891 



68, 1901; 27 , 1915 



22, 1924 ; 3, 1901 



17, 1900; 4, 1895 



21, 1901; 1, 1915 



292, 1924 ; 93, 1901 



NorE— Tiie first column in the above summary gives observations made during the 

 month. The second and third columns give the averages and extremes observed from 1889 

 to 192S for the same month of the year. 



