MONTHLY SUMMARY 



JUNE, 1944 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum J0.28, 5th, 9th 



Minimum .29.41, 24th 



Mean semi-daily 29.896 



Range 0.87 



Air Temperature, in degrees F. 



Highest _ _...95, 29th 



Lowest „ 40, 8th 



Mean _.._. ,.. 66.3 



Range 55 



Highest mean daily _ 81, 29th 



Lowest mean daily 57, 8th 



Mean maximum 77.6 



Mean minimum 55.1 



Greatest daily range .— 34, 8th 



Least daily range 6, 19th 



Precipitation, in inches 



Precipitation _.4.70 



Snow . — 



Maximum precipitation in 24 hrs.— 1.84, 24th 

 Number of days with .01 or more 8 



Wind, in miles 



Total movement -- 3886 



Greatest daily movement 240, 6th 



Least daily movement 45, 2nd 



Mean hourly velocity 5.4 



Maximum velocity 39, 16th 



Wind, direction 



Prevailing direction WSW 



North, days 1 



Northeast, days — .__ 1 



East, days 



Southeast, days 11 



South, days _ 2 



Southwest, days 1 



West, days 4 



Northwest, days . 10 



Weather 



Mean relative humidity, percent 70.8 



Mean cloudiness, percent 61.3 



Number of clear days 16 



Number of fair days .....6 



Number of cloudy days _ 8 



Number hours bright sunshine . 279 



Percent of possible hours of bright 



sunshine 61.1 



Thunder and lightning 



19th, 20th, 21st, 22nd. 24th 



Last frost May 19 



Normal 



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 



Extremes 



30.54, 1889 

 29.24, 1902 



101, 1919 

 34. 1891 



9.68, 1922; 0.76, 1908 



17, 1922; 4, 1908 



4571, 1908; 1409, 1906 



48, 1939 



71. 1903; 28, 1908 



22, 1908, 1941, 1943; 1, 1927 



2^, 1912; 3. 1941 



12. 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 1943. 



