MONTHLY SUMMARY 



July. 1985 



Normal 



Barometer 



(Readings reduced to sea le\el) 



Maximum 30.34, 3rd 



Minimum 29.61, 31st 



Mean semi-daily 30.000 



Range 0.73 



Air Temperature 



Highest 95, 6th 



Lowest ,51, 2nd 



Mean 73.2 



Monthly range 44 



Highest mean dail y 82.0, 6th 



Lowest mean daily 65.0, 2nd 



Mean maximum 83.5 



Mean minimum 62.8 



Greatest daily range 33, 30th 



Least daily range 7, 25th 



Precipitation 



Precipitation. In inches 3.10 



Snow, in inches 



Maximum precipitation in 24 hrs. .91, 



8th 

 Number of days on which .01 or more 



inches of rain fell 11 



Wiii.l (miles) 



Total movement 3222 



Greatest daily movement 161, 9th 



Least daily movement 44, 25th 



Mean hourly velocity 4.3 



Maximum velocity for 5 min., 28,23rd 



Wiiiil (direction) 



Prevailing direction s 



North, days 3 



Northeast, days 1 



East, days 1 



Southeast, days 5 



South, days 11 



Southwest, days 5 



West, days 1 



Northwest, days 4 



Weather 



Mean relative humidity, per cent. . . 72.7 



Mean cloudiness, per cent 58.2 



Number of clear days 14 



Number of fair days 8 



Number of cloudy days 9 



Number of hours bright sunshine . . 307 

 Percent of possible hours of bright 



sunshine g6.4 



Thunder and Lightning 12th, 16th,22nd, 

 23rd. 



30.28 



29.60 



29.972 



.68 



93.9 

 45.5 

 70.6 



48.4 



Extremes 



11 



3,435 



4.6 

 24 



67.9 

 50.1 



9 

 14 



8 

 267.0 



57.8 



30.50, 1892 

 29.27, 1932 



0.97, 1892; 0.51, 1895, 1899 



104.0, 1911 

 40.0, 1890, 1898 



4.33 14.51, 1897; 0.70, 1929 



20, 1915; 4, 1924 

 5,097, 1909; 1,109, 1894 



39,1908,1915 



69, 1914; 31, 1924 



22, 1923; 0, 1915 



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



18, 1889; 0, 1910 



371, 1910; 182, 1889 



NOTK-The first coUiiun in the above summary gives observations made during the 

 month. The second column gives the averages based on observations made from IBi-gto 

 192H. except that humidity records are based on observations from i;)2'.t to I'.m Tlie 

 third column gives extremes observed from 1889 to 1934. 



