MONTHLY SUMMARY 



May 1944 



Normal 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.46, 11th 



Minimum - -29.65, 22nd 



Mean semi-daily 30.089 



Range - 0-81 



Air Temperature, in degrees F. 



Highest . 93, 31 st 



Lowest 30, 19th 



Mean __-..63.4 



Range 63 



Highest mean daily 75, 31st 



Lowest mean daily 48.5, 19th 



Mean maximum 77.1 



Mean minimum . 49.8 



Greatest daily range 44, 21st 



Least daily range 7, 22nd, 23rd 



Precipitation, in inches 



Precipitation 1.35 



Snow — 



Maximum precipitation in 24 hrs 55, 22nd 



Number of days with .01 or more — - .— 4 



Wind, in miles 



Total movement 3697 



Greatest daily movement 280, 7th 



Least daily movement ___.36, 24th 



Mean hourly velocity 5.0 



Maximum velocity 28, 7th 



Wind, direction 



Prevailing direction SSW 



North, days 2 



Northeast, days .1 



East, days — 1 



Southeast, days 8 



South, days 7 



Southwest, days 5 



West, days 3 



Northwest, days 4 



Weather 



Mean relative humidity, percent 62.2 



Mean cloudiness, percent 53.1 



Number of clear days 21 



Number of fair days 1 



Number of cloudy days — -3 



Number hours bright sunshine 350 



Percent of possible hours of bright 

 sunshine 11 .Z 



Thunder and lightning _ _... 13th, 15th 



30.39 



29.51 



29.96 



0.88 



86.1 

 31.2 

 57.1 

 54.9 



3.60 

 12 



4504 



6.1 



28.8 



W 



60.7 



52.1 



11 



11 



9 



252 



55.6 



Extremes 



30.62, 1936 

 29.10, 1938 



94.5, 1896, 1911 

 24.0, 1900 



7.44, 1931; .48, 1903 



20, 1901; 5, 1903 



5946, 1907; 2180. 1894 



45, 19J5 



70, 1901, 1902; 30, 1923 



20, 1923, 1941 ; 0, 1927 



17, 1907, 1926; 5, 1923 



20, 1927; 2, 1941 



338, 1941; 137, 1927 



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 column gives extremes observed from 1889 to 1943. 



