124 



STATE BOARD OF AGRICULTURE. 



Meleorological observalions for the monlh of April, 1013, at Agricull>ir<il College, Eost 



Lansing, Michigan. 



Atmospheric Pressure.— (Reduced to sea level; inches and hundredths.)— Mean. 30.08; highest, 30.55; date, 20; lowest, 

 29.64; date, 4. 



Temper.\ture.— Highest, 79; date, 24; lowest, 2; date. 20; ereatest daily range, 37; date, 17; lea.st daily rauRc, 6; date, 12. 



Wind.— Prevailing direction, northea.st; total movement, 6,200 miles: average hourly velocity, 8.C; maximum velocity (for 

 five minutes) 2!) miles per hour, from northeast on 28. 



\Vk.\ther.— Number of days, clear. 13; partly cloudy, 6; cloudy, 11; on which .01 inch, or more, of precipitation occurred, 11. 



Miscellaneous Phenomena (dates of I.— .^uror.ns, 0; halos: solar, ,S-21-22; lunar, 0; hail, 22; sleet, 0; fog, 27; thunderstorms, 

 2-3-4-22-25. 'Frost: light, 19-27-29-30; heavy, 0; killing, 15-17-20-21. 



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.EV. 

 Local Foreca.stcr, Weather Bureau. 



