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STATE BOARD OP AGRICULTURE. 



Meteorological observations for the month of February, 1911, at Agricultural College, East 



Lansing, Michigan. 



Atmospheric Pressure. — (Reduced to sea level; inches and hundredths). — Mean, 30.10; highest, 30.60; date, 27; lowest, 

 29.62; date, 14. 



Temperature. — Highest, 54; date, 17; lowest, 7; date, 11; greatest daily range, 35; date, 11; least daily range, 3; date, 13. 

 Mean for this month in 1911, 28. 



Precipitation. — Total this month, 1.77; snowfall, 7. 7; greatest precipitation in 24 hours, .74; date, 5 and 6; snow on the 

 ground at end of month, 0. 



WiND.^Prevailing direction, west; total movement, 5912 miles; average hourly velocity, 8.8; maximum velocity (for five 

 minutes) 27 miles per hour, from northwest on 2. 



Weather. — Number of days, clear 6; partly cloudy, 8; cloudy, 14; on which .01 inch, or more, of precipitation occurred, 13. 



Miscellaneous Phenomena (dates of). — Aurora, 0; halos: solar, 5, 18; lunar, 0; hail, 0; sleet, 13; fog, 14, 15; thunderstorms, 

 14; *frosts: light, 0; heavy, 0; killing, 0. 



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



DEWEY A. SEELEY. 

 Local Forecaster, Weather Bureau. 



