METEOROLOGICAL TABLES. 



123 



Meteorological observations for the month of September, 1910, at Agricultural College, 



East Lansing, Michigan. 



.■\tmosphemc Pressure.— (Reduced to sea level; inches and hundredths.)— Mean, 30.09; highest, 30.41; date, 14; lowest, 

 29.78: date, 3. 



Temperature.— Highest, 81,; date 7; lowest, 37; date, 22: greatest daily range, .35; date, 2: least daily range, 6; date, 25. 



PREapiTATioN.— Total this month, 2.74; snowfall, 0: greatest precipitation in 24 hour.s, 1.31; date, 23 and 24; snow on the 

 ground at end of month, 0. 



Wind.— Prevailing direction, south; total movement, 3456 miles; average hourly velocity, 4.8; maximum velocity (for five 

 minutes), 18 miles per hour, from southwest, on 6. 



Weather.— Number of days, clear, 13; partlv cloudv, 4; cloudv, 13: on which .01 inch, or more, of precipitation occurred, 10. 



Miscellaneous Phenomena (dates of.)— .Auroras, 0: halos: solar, 26.30: lunar, 0; hail, 0: sleet, 0; fog, 19 and 20; thunder- 

 storms, 4, 5, 7, 8, 17: *fro.st: light, 0: he:ivy, 0; killing, 0. 



Note. — "t" indicates trace of precipitation. 



*Fro3ts are not recorded after the occurrence of "killing." 



DEWEY A. SEELEY, 

 Local forecaster, Weather Bureau. 



