Monthly Summary 



June, 1929 



Normal 



Extremes 



Barometer 



(Readings reduced to sea level) 



Maximum 30.16, 9th 



Minimum 29.49, 29th 



Mean semi-daily 29.911 



Range 67 



Air Temperature 



Highest 92.0,18th 



Lowest 35.0,3rd 



Mean 67.1 



Monthly range 57.0 



Highest mean daily 79.0, 19th 



Lowest mean daily 50.5, 2nd, 3rd 



Mean maximum 79.8 



Mean minimum 54.1 



Greatest daily range 44.5,11th 



Least daily range 13.0, 20th 



Precipitation 



Precipitation. In inches 3.06 



Maximum precipitation in 24 hrs. 1.15, 



24th 

 Number of days on which .01 or 



more inches of rain fell 9 



Wind (miles) 



Total movement 3528 



Greatest daily movement 259, 2nd 



Least daily movement 43, 18th 



Mean hourly velocity 4.9 



Maximum velocity for 5 min 26, 29th 



(coiifcted tu conform to 3 cup anemometer) 

 Wind (direction) 



Prevailing direction sw 



North, days 



Northeast, days 



East, days 1 



Southeast, days 8 



South, days 4 



Southwest, days 5 



West, days 5 



Northwest, days 7 



Weather 



Mean relative humidity, per cent 66.3 



Mean cloudiness, per cent 44 



Number of clear days 11 



Number of fair days 11 



Number of cloudy days 8 



Number of hours bright sunshine 252.9 

 Percent of possible hours of bright 



sunshine 55.0 



Thunder and lightning 15th, 22nd, 24th 



25th 



30.31 



29.56 



29.961 



0.75 



91.1 

 40.0 

 63.7 

 51.2 



3.54 



10 



3584 



5 

 23 



73.9 



50.1 



9 



13 



8 



257.4 



56 



30.54, 1889 

 29.24, 1902 



1.27, 1902; 0.52, 1916 



101, 1919 

 34, 1891 



9.68, 1922; 0.76, 1908 



17, 1922; 4, 1908 

 4571, 1908; 1409, 1906 



35, 1922 



85.9, 1922 ; 65.3, 1891 

 71, 1903 ; 28, 1908 



22, 1908 ; 1, 1907, 1926 



23, 1912 ; 4, 1895, 1903 



22, 1903; 1, 1923 

 362, 1908 ; 102, 1903 



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

 month. The second and third columns give the averages and extremes observed from iSSg 



to 1928 for the same month of the year. 



