MONTHLY SUMMARY 



AUGUST 1952 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.310, 31st 



Minimum 29.678, 17th 



Mean semi-daily 30.030 



Range 0.632 



Air Temperature, in degrees F. 



Highest 91, 27th 



Lowest 43, 24th 



Mean 68.95 



Range 48 



Highest mean daily 78.5, 29th 



Lowest mean daily 58.5, 23rd 



Mean maximum 80.7 



Mean minimum 57.2 



Greatest daily range 35, 25th 



Least daily range 7, 30th 



Precipitation, in inches 



Precipitation 3.98 



Snow — 



Maximum precip. in 24 hrs 0.96, 13th 



Number of days with .01 or more 11 



Wind, in miles 



Total movement 2392 



Greatest daily movement 201, 17th 



Least daily movement 25, 8th 



Mean hourly velocity 3.21 



Maximum velocity 25, 22nd 



Wind, direction 



Prevailing direction WSW 



North, days — 



Northeast, days — 



East, days 4 



Southeast, days 6 



South, days 5 



Southwest, days 3 



West, days 9 



Northwest, days 4 



Weather 



Mean relative humidity, percent 80.4 



Mean cloudiness, percent 49.4 



Number of clear days — 



Number of fair days 18 



Number of cloudy days 13 



Number of hours bright sunshine ....135.1 

 Percent of possible hours of 



bright sunshine 31.4 



Thunder and lightning 5th 



9 



13 



9 



237 



55.2 



23, 1941 ; 0, 1915, 1929 



25, 1912; 3, 1939 



18. 1901, 1928; 2, 1910. 1923 



IZl, 1941; 152, 1913. 1929 



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

 month. The second column lists 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 lists extremes observed from 1889 to 1951. 



