MONTHLY SUMMARY 



November, 1942 



Normal 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.61, 5th 



Minimum ....,._ 29.39, 13th 



Mean semi-daily 30.048 



Range 1.22 



Air Temperature, in degrees F. 



Highest 68, 20tii 



Lowest — - — - 15, 23rd 



Mean .....__ 38.8 



Range 53 



Highest mean daily ....52, 1st, 20th 



Lowest mean daily 24.5, 14th 



Mean ma.ximum 48.3 



Mean minimum 29.4 



Greatest daily range 33, I7th 



Least daily range — 6, 26th, 28th 



Precipitation, in inches 



Precipitation 6.07 



Snow T 



Ma.ximum precipitation in 24 hrs. — 1.45, 25th 

 Number of days with .01 or more 11 



Wind, in miles 



Total movement - 4547 



Greatest daily movement 362, 14th 



Least daily movement 32, 8th 



Mean hourly velocity 6.3 



Maximum velocity 40, 10th 



Wind, direction 



Prevaihng direction WNW 



North, days 4 



Nortiieast, days 



East, days — 



Southeast, days 5 



Soutli, days 2 



Southwest, days 1 



West, days 8 



Northwest, days 10 



Weather 



Alean relative humidity, percent 72.2 



Mean cloudiness, percent 57 



Number of clear days 10 



Number of fair days - 7 



Number of cloudy days 13 



Number hours bright sunshine 130 



Percent of possible hours of bright 



sunshine ... , 44.4 



Thunder and lightning — 



First snow Nov. 27 



30.59 



29.30 



30.05 



1.29 



66.0 

 12.9 

 38.9 

 53.0 



Extremes 



3.41 

 2.34 



9 



4531 



6.3 

 30.3 



WNW 



70.6 



55.1 



6 



9 



15 



121 



41.3 



Nov. 6 



30.87, 1932 

 28.73, 1904 



1.84, 1904; .94, 1905 



75, 1924, 1938 



-4, 19.38 



44.1, 1931 ; 33.6, 1901 



8.64, 1927; .63, 1917 

 13.50, 1938 



22, 1921; 2, 1904 

 5,978, 1906; 2,589, 1889 



44,1938 



72. 1900, 1927; 34. 1917 



15,1903; 1, 1900, 1911. 1927 



16, '12; 4, '89, '30, '32. '35 



24, 1927; 9, 1905, 1917 



182, 1903; 66, 1927 



Oct. 10, '25 ; Nov. 27, '31 



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 1941 



