MONTHLY SUMMARY 



NOVEMBER 1953 



Barometer, in inches 



(Readings reduced to sea level) 



Maximum 30.625, 6th 



Minimum 29.354, 25th 



Mean semi-daily 30. 1 14 



Range 1.271 



Air Temperature, in degrees F. 



Highest 72, 3rd 



Lowest 23, 6th 



Mean 43.2 



Range 49 



Highest mean daily 57.5, 22nd 



Lowest mean daily 30.5, 30th 



Mean maximum 53.8 



Mean minimum 32.6 



Greatest daily range 36, 18th, 20th 



Least daily range 6, 2Sth 



Degree-days of heating load for month 654 

 Degree-days cumulative for season. . . . 1148 



Precipitation, in inches 



Precipitation 2.36 



Snow 1 



Maximum precip. in 24 hrs 1.08 



Number of days with .01 or more 6 



Wind, in miles 



Total movement 2092 



Greatest daily movement 353 



Least daily movement 2, 18th, 19th 



Mean hourly velocity 2.9 



Maximum velocity 48, 6th 



Wind, direction 



Prevailing direction XXE 



North, days 5 



Northeast, days 6 



East, days 3 



Southeast, days 1 



South, days 4 



Southwest, days 3 



West, days 3 



Northwest, days 5 



Weather 



Mean relative humidity, percent 77.2 



Mean cloudiness, percent 44.5 



Number of clear days 8 



Number of fair days 13 



Number of cloudy days 9 



Number of hours bright sunshine. . . . 124.0 

 Percent of possible hours of 



bright sunshine 42.2 



Thunder and lightning — 



First Snow 7th 



Normal 



30.59 

 29.30 

 30.05 



1.29 



66.0 

 12.9 

 38.9 

 53.0 



783 



3.41 



2.34 



4531 



30.3 



WNW 



Extremes 



30.87, 1932 

 28.73, 1904 



1.84, 1904; 0.89, 1943 



82, 1950 



4, 1938 



46.3, 1931; 33.6, 1901 



8.64, 1927; 0.63, 1917 

 13.50, 1938 



22, 1921; 2, 1904 



5,978. 1906; 2,589, 1889 



48, 1948, 1950 



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. Tht. 

 third column lists extremes observed from 1889 to 1952. 



