Monthly summary 



July, 1932 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.08, 16th 



Minimum 29.27, 2nd 



Mean semi-daily 29.825 



Range 0.81 



Air Temperature 



Highest 89, 26th 



Lowest 46, 31st 



Mean 68.9 



Monthly range 43 



Highest mean daily 76.5, 28th 



Lowest mean daily 59.5 4th 



Mean maximum 80.7 



Mean minimum 57.3 



Greatest daily range 36, 25th 



Least daily range 11, 4th 



Precipitation 



Precipitation. In inches 3.83 



Snow, in inches 



Maximum precipitation 24 hrs. 1.59, 



1st 

 Number of days on which .01 or more 



inches of rain fell 9 



Wind (miles) 



Total movement 3,948 



Greatest daily movement .... 243, 3rd 



Least daily movement 50, 21st 



Mean hourly velocity 5.3 



Maximum velocity for 5 min. 28, 1st, 11th 



(corrected to cont'onii to H cup anemoiueter) 



Wind (direction) 



Prevailing direction sw 



North, days 



Northeast, days 



East, days 1 



Southeast, days 9 



South, days 4 



Southwest, days 1 



West, days 7 



Northwest, days 9 



Weather 



Mean relative humidity, per cent . . 65.9 



Mean cloudiness, per cent 50.0 



Number of clear days * 14 



Number of fair days 13 



Number of cloudy days 4 



Number of hours bright sunshine 295.6 

 Percent of possible hours of bright 



sunshine 64 



Thunder and Lightning . . 1st, 27th, 31st 

 Frosts 



30.28 



29.60 



29.972 



.68 



93.9 



45.5 

 70.6 



48.4 



4.33 



11 



30.50, 1892 

 29.39, 1909 



0.97, 1892; 0.51, 1895, 1899 



104.0, 1911 

 40.0, 1890, 1898 



14.51, 1897; 0.70, 1929 



20, 1915; 4, 1924 



3,435 5,097, 1909; 1,109, 1894 



4.6 



24 



75.6 

 50.1 



9 

 14 



8 

 267 



57.8 



39, 1908, 1915 



88.8, 1927; 64.8, 1893 

 69, 1914; 31, 1924 

 22, 1923; 0, 1915 

 24, '09, '21; 5, '89, '23, '28 

 18, 1889; 0, 1910 

 371, 1910; 182, 1889 



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

 month. The second column gives averages based on observations made from 1889 to 

 \9-M. The third column gives extremes observed from 1889 to 1931. 



