Monthly Summary 



Normal 



Extremes 



Uaruineter 



( Keadin.Ljs reduced to sea level) 



Maximum 30.29, 23rd 



Minimum 29.43, 28tli 



Mean semi-daily 29.855 



Range 0.86 



Air Tpiii i><»rji tiire 



Highest 90, 3rd 



Lowest 40, 17th 



Mean 67 



Monthly range 50 



Highest mean daily 76.5, 3rd 



Lowest mean daily 59, 22nd 



Mean maximum 78.8 



Mean minimum 55.3 



Greatest daily range 39, 17th 



Least daily range 6, 14th, 18th 



Precipitation 



Precipitation. In inches 3.28 



Snow, in inches 



Maximum precipitation in 24 hrs. 



1.10, 3rd and 4th 

 Number of days on which .01 or more 



inches of rain fell H 



Wind (miles) 



Total movement 3720 



Greatest daily movement 235, 16th 



Least daily movement 48, 10th 



Mean hourly velocity 5.2 



Maximum velocity for 5 min., 36, 28th 



Wind (directiim) 



Prevailing direction ssw 



North, days 2 



Northeast, days 



East, days 2 



Southeast, days 6 



South, days 9 



Southwest, days 1 



West, days 4 



Northwest, days 6 



Weatlier 



Mean relative humidity, per cent. . 65.6 



Mean cloudiness, per cent 54 



Number of clear days 14 



Number of fair days 6 



Number of cloudy days 10 



Number of hours bright sunshine . 252 

 Percent of possible hours of bright 



sunshine 55.1 



Thunder and Lightning 3rd, 11th, 18th 



30.31 



29.56 



29.961 



.75 



91.1 

 40.0 

 65.4 

 51.2 



3.54 



10 

 3,584 



5.0 

 23 



66.7 

 50.1 



9 

 13 



8 

 257.4 



56.2 



30.54, 1889 

 29.24, 1902 



1.27, 1902; 0.52, 1916 



101.0, 1919 

 34.0, 1891 



9.68, 1922; 0.76, 1908 



17, 1922; 4, 1908 

 4,571, 1908; 1,409, 1906 



40, 1932 



71, 1903; 28, 1908 



22, 1908; 1, 1907, 1926 



23, 1912; 4, 1895, 1903 



22, 1903; 1, 1923 

 362, 1908; 102, 1903 



Note— The first colnmn in tlie above suiuniar.v gives observations made diiriny: the 

 month. The second column Kives the averaB:es based on observations made from 1889 

 to 1<.I28. except that humidity records are based on observations made from l'J2'.' to I'.WS. 

 The third column gives extremes oliserved from 1889 to l',)35. 



