MONTHLY SUMMARY 



August, 1944 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.36, 20th 



Minimum 29.63, 17th 



Mean semi-daily 29.986 



Range 0.73 



Air Temperature, in 



Highest — - 



Lowest 



Mean 



Range - 



Highest mean daily 84, 



Lowest mean daily 



Mean maximum 



Mean minimum 



Greatest daily range 



Least daily range 



degrees F, 



-99, 12th 



43, 26th 



72.4 



-.56 



13th, 14th, 16th 

 _58.5, 25th, 26th 



85.1 



..59.6 



..-.-..36, 9th, 10th 

 9, 7th 



Precipitation, in inches 



Precipitation 4.33 



Snow - — 



Maximum precipitation in 24 hrs.— .2.18, 14th 

 Number of days with .01 or more _-.9 



Wind, in miles 



Total movement 2978 



Greatest daily movement 156, 24th 



Least daily movement -.26, 4th 



Mean hourly velocity ._ „ 4.0 



Maximum velocity . 36, 14th 



Wind, direction 



Prevailing direction SW 



North, days .— .0 



Northeast, days 1 



East, days 4 



Southeast, days 6 



South, days 2 



Southwest, days 8 



West, days 2 



Northwest, days 8 



Weather 



Mean relative humidity, percent 70.8 



Mean cloudiness, percent 55 



Number of clear days 1 17 



Number of fair days 11 



Number of cloudy days 3 



Number hours bright sunshine 301 



Percent of possible hours of bright 



sunshine _ 78.7 



Thunder and lightning 14th, 17th, 22nd 



First Frost .— — 



Normal 



30.32 



29.61 



30.00 



0.71 



91.6 

 43.4 

 68.6 

 48.1 



4.08 

 11 



3127 



4.2 

 22.7 



SW 



70.2 



49.7 



9 



13 



9 



237 



55.2 



Sept. 21 



Extremes 



30.50, 1934 

 28.87, 1930 



100. 1918 



37, 1894, 1908 



34, 1940 



8.40, 1928; .31, 1894 



16. 1892, 1933; 4. 1899 



4,271, 1910; 1,920, 1894 



40. 1941 



67, 1901 ; 27, 1923 



23, 1941; 0, 1915. 1929 



25, 1912; 3, 1939 



18, 1901, '28; 2, 1910, '23 



332, 1941; 152, 1915, 1929 



Aug. 22, '94, '95; Oct. 13, '09 



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 19.38. The third coknnn gives extremes observed from 1889 to 1943. 



