MONTHLY SUMMARY 



JUNE, 1946 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.33, 16th 



Minimum _..__ 29.66. 18th 



Mean semi-daily _ 30.023 



Range — 0.67 



Air Temperature, in degrees F. 



Highest 92, 27th 



Lowest 39, 3rd 



Mean 65.0 



Range .— 53 



Highest mean daily 79.5, 27th 



Lowest mean daily 46,5, 2nd 



Mean maximum _-_ 78.0 



Mean minimum _ 52.0 



Greatest daily range Zl , 23rd 



Least daily range - —7, 2nd 



Precipitation, in inches 



Precipitation 3.30 



Snow — - — 



Maximum precip, in 24 hrs. 1.26, 2nd 



Number of days with .01 or more 10 



Wind, in miles 



Total movement — - 3362 



Greatest daily movemnt 308, 9th 



Least daily movement 42, 23rd 



Mean hourly velocity 4.7 



Maximum velocity -^- 47, 11th 



Wind, direction 



Prevailing direction S 



North, days 2 



Northeast, days - 1 



East, days - — 



Southeast, days _ - 12 



South, days ^ - 4 



Southwest, days — 6 



West, days - 3 



Northwest, days 2 



Weather 



Mean relative humidity, percent 66.3 



Mean cloudiness, percent 42 



Number of clear days - 17 



Number of fair days - _10 



Number of cloudy days ._ 3 



Number of hours bright sunshine — 331 



Percent of possible hours of bright 



sunshine - — 72.4 



Thunder and lightning - ..._8th 



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, 1945; 4, 1908 



4571, 1908; 1409, 1906 



48, 1939 



71, 1903; 28, 1908 



22, 1908,1941,1943;!, 1927 



23, 1912; 3, 1941 



22, 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 1945. 



