MONTHLY SUMMARY 



AUGUST 1950 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.240, 24th 



Minimum 29.747, 20th 



Mean semi-daily 30.022 



Range 0.493 



Air Temperalure, in Degrees F. 



Highest 88, 9th 



Lowest 46, 8th, 22nd, 23rd 



Mean 68.8 



Range 42 



Highest mean daily 74, 28th 



Lowest mean daily 62, 21st 



Mean maximum 80.2 



Mean minimum 57.3 



Greatest daily range 38, 8th 



Least daily range 11, 1st, 3rd, 20th 



Degree-days of heating load for month. . 

 Degree-days cumulative for season 



Precipitation, in incties 



Precipitation 2.94 



Snow 



Maximum precip. in 24 hrs 1.15, 19th 



Number of days with .01 or more 9 



Wind, in miles 



Total movement 2268 



Greatest daily movement 153, 28th 



Least daily movement 19, 14th 



Mean hourly velocity 3.1 



Maximum velocity 18, 5th 



Wind, direction 



Prevailing direction WSW 



North, days 5 



Northeast, days 3 



East, days 



Southeast, days 1 



South, days 9 



Southwest, days 5 



West, days 2 



Northwest, days 6 



Weather 



Mean relative humidity, percent 75.5 



Mean cloudiness, percent 55.9 



Number of clear days 12 



Number of fair days 13 



Number of cloudy days 6 



Number of hours bright sunshine 2593 



Percent of possible hours of 



bright sunshine 58.2 



Thunder and lightnmg 5th, 10th, 16th, 



ISth, 28th, 29th 



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 



Extremes 



30.50, 1934 

 28.87, 1930 



100, 1918, 1948 



34, 1940 



62.4, 1903 



8.40, 1948; .31, 1894 

 16, 1892, 1933; 4, 1899 



4,271, 1910; 1,920, 1894 

 40, I'M! 



67, 1901, 1946; 27, 1923 



23. 1941; 0, 1915, 1929 



25, 1912; 3, 1939 



18, 1901, 1928; 2, 1910, 1923 



332, 1941; 152, 1915, 1929 



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 lecords are based on observations made from 1929 to 1938. The 

 third column gives extremes observed from 18f^9 to 1949. 



