Monthly Summary 



November. 19S8 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.64, 26th 



Minimum 29.57 13th 



Mean semi-daily 30.172 



Range 1.08 



Air Temperature 



Highest 75, 7th 



Lowest -4, 26th 



Mean .... 41.5 



Range 79 



Highest mean daily 66.5, 7th 



Lowest mean daily 9.5,26th 



Mean maximum 52 



Mean minimum 31 



Greatest daily range 38, 10th, 11th 



Least daily range 6, 6th 



Precipitation 



Precipitation. In inches 2.82 



Snow, in inches 13.50 



Maximum precipitation in 24 hrs. 



1.16,24th, 25th 

 Number of days on which .01 or more 

 inches of precipitation fell 9 



Wind (miles) 



Total movement 4493 



Greatest daily movement 423,25th I 



Least daily movement 26, 1st ' 



Mean hourly velocity 6.2 



Maximum velocity 44, 14th 



Wind (direction) 



Prevailing direction nnw 



North, days 9 



Northeast, days 1 



East, days 



Southeast, days 6 



South, days 4 



Southwest, days 1 



West, days 3 



Northwest, days 6 



Weather 



Mean relative humidity, per cent 74.8 



Mean cloudiness, per cent 61 



Number of clear days 10 



Number of fair days 10 



Number of cloudy days 10 



Number of hours bright sunshine 152 



Percent of possible hours of bright 



sunshine 51.9 



Thunder and lightning 



Frost 



First snow 14th 



30.58 



29.34 



30.046 



1.29 



65.3 

 13.8 



36.6 

 51.4 



3.45 

 2.05 



4,564 



6.3 

 29 



70 



53.5 



6 



9 



15 



121.0 



41.3 



Nov.5 



30.87, 1932 

 28.73, 1904 



1.84,1904; 0.94,1935 



75.0, 1924 

 3.5, 1891 



8.64, 1927; 0.63, 1917 



9, 24; t, 89, 93, 03, 12, 18, 19 



22, 27, 32, 84 



22, 1921;2, 1904 

 5,978, 1906; 2,589, 1889 



40, 1915 



72, 1900; '27; 34, 1917 



15, '03; 1, '00, '11, '27 



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



24, '27; 9, '90, '05,*17 



182,1903; 66,1927 



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



Note— The first colunjn in the above summary gives observations made during; the 

 month. The second column gives the averages based on observations made from l^ny 

 to 19'28. excejit that humidity records are based on observations made from 1»'29 to 19.S7. 

 The third column sives extremes observed from 1889 to 1987 



