METEOROLOGICAL TABLES. 



117 



Meteorological observalions for Ihe vionlh oj September, 1912, at Agricultural College, Eaut 



Lansing, Michigan. 



Atmo.sphebic Pressure. — (Reduced to sea level; inches and hundredths.) — Mean, 30.03; highest, 30.39; date, 28; lowest, 

 29.71; date, 18. 



Temper.^ture. — Highest, 92; date, 9; lowest. 32; date, 27; greatest daily range, 31; date, 8; least daily range, 7; date, 28. 



Wind. — Prevailing direction, southwest; total movement, 3,166 miles; average hourly velocity, 4.4; maximum velocity (for 

 five minutes) 22 miles per hour, from northwest on 5. 



Weather. — Number of days, clear, 11; partly cloudy, 5; cloudy, 14; on which .01 inch, or more, of precipitation occurred, 13. 



Miscellaneous Phenomena (dates of). — Auroras. 0; halos: solar, 4; lunar, 0; hail, none; sleet, 0; fog, 4-23; thunderstorms, 

 2-5-10-11-17-21. *Frost: light, 0: heayy, 27; kilUng, 0. 



Note. — "T" indicates trace of precipitation. 



*Frosts are not recorded after the occurrence of "killing," except in Florida and along the immediate coast of the Gulf of 

 Mexico. 



DEWEY A. SEEI.EY, 

 Local Forecaster, Weather Bureau. 



