MONTHLY SUMMARY 



JUNE, 1945 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.16, I5th 



Minimum 29.64, 3rd 



Mean semi-daily 29.942 



Range 0.52 



Air Temperature, in degrees F. 



Highest 92, 15th, 30th 



Lowest __ 2,1, 1st, 7th 



Mean 66.1 



Range 55 



Highest mean daily 80, 30th 



Lowest mean daily 50, 2nd 



Mean maximum 11 .i 



Mean minimum .. 54.8 



Greatest daily range — 2>Z, 7th 



Least daily range 7, 19th 



Precipitation, in inches 



Precipitation 7.67. 



Snow -— — 



Maximum precipitation in 24 hrs.- 2.25, 17th 

 Number of days with .01 or more 17 



Wind, in miles 



Total movement 2805 



Greatest daily movement 279, 27th 



Least daily movement 30, 13th 



Mean hourly velocity 3.9 



Maximum velocity - - - 32, l5th 



Wind, direction 



Prevailing direction NNW 



North, days 5 



Northeast, days ._. 



East, days 4 



Southeast, days 6 



South, days 2 



Southwest, days 1 



West, days 3 



Northwest, days ...9 



Weather 



Mean relative humidity, percent 74.5 



Mean cloudiness, percent 58 



Number of clear days 8 



Number of fair days 15 



Number of cloudy days 7 



Number hours bright sunshine 242 



Percent of possible hours of bright 



sunshine .. ... 53 



Thunder and lightning 



11th, 15th, 17th, 18th, 25th, 26th 



Last frost April 24 



30.30 



29.55 



29.95 



0.75 



91.2 

 40.0 

 65.7 

 51.3 



3.75 



11 



3585 



5.0 

 24.6 



WSW 



66.9 



51.1 



10 



12 



8 



257 



54.0 



Extrei 



30.54, 1889 

 29.24, 1902 



101, 1919 

 34, 1891 



9.68, 1922; 0.76, 1908 



17, 1922; 4, 19U8 



4571, 1908; 1409, 1906 



48. 1939 



71, 1903; 28 1908 



22. 1908, 1941, 1943; 1. 1927 



23, 1912; 3, 1941 



21, 1903; 1, 1923 



362. 1908; 102, 1903 



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

 the month. The second column gives the averages based on observations made 

 from 1889 to 1938. except that humidity records are based on observations made 

 from 1929 to 1938. The third column gives extremes observed from 1889 to 1944. 



