Monthly Summarv 



June. 19S8 



Normal 



Extremes 



Barometer 



( Readings reduced to sea level) 



Maximum 30.41, 10th 



Minimum 29.65, 26th 



Mean semi-daily 29.989 



Range 0.76 



Air Temperature 



Highest 91, 21st, 24th 



Lowest 42, 1st 



Mean 67.1 



Range 49 



iiighest mean daily 79.5, 24th 



Lowest mean daily 57.5, 27th 



Mean maximum 78.5 



Mean minimum 55.6 



Greatest daily range 36, 1st 



Least daily range 5, 27th 



Pre<*i|>it2it](>ii 



Precipitation. In inches 8.45 



Snow, in inches 



Maximum precipitation in 24 hrs. 



3.64, 2Gth, 27lh 

 Number ol days on which .01 or more 

 inches of precipitation fell 11 



Wind (miles) 



Total movement 3308 



Greatest daily movement 204, 7th 



Least daily movement 46, 4th 



Mean hourly velocity 4.6 



Maximum velocity, 5 min., 20, 7th 



Wind (direction) 



Prevailing direction sw 



North, day -J 6 



Northeast, days 1 



East, days 1 



Southeast, days 6 



South, days 5 



Southwest, days 5 



West, days 3 



Northwest, days 3 



W e II « h e r 



Mean relative humidity, per cent. . 6^ 



Mean cloudiness, per cent 66 



Number of clear days 17 



Number of fair days 8 



Number of cloudy days 5 



Number of hours bright sunshine . . 296 

 Percent of possible hours of bright 



sunshine 64.8 



Thunder and lightning. . . . 7th, Uth, 12th 



Frosts none 



Last frost May 31 



30.31 



29.56 



29.961 



.75 



91.1 

 40.0 

 65.4 

 512 



3.54 



10 



3,584 



67.0 



50.1 



9 



13 



8 



257.4 



56.2 



M'yl2 



30.54, 1889 

 29.24, 1902 



1.27, 1902; 0.52,1916 



101.0, 1919 

 34.0, 1891 



9.68, 1£22; 0.76. 1908 



17, 1922; 4, 1908 

 4,571, 1908; 1,409, 1906 



40, 1932 



71, 1903; 28,1908 



22, 1908: 1, 1907,1926 



23,1012:4.1895, 1903 



22, 1903; 1, 1923 



362,1908; 102,1903 



June 8, 1932; Apr. 23, 1904 



NOTK— The first column in the above summary cives observations made durinj; the 

 month. The second column ifives the averages based on observations made from 1889 

 to 19-'H. except that humidity records are based on observations made from 19'29 to 1937. 

 The third column gives extremes observed from 1889 to 1987 



