146 



STATE BOARD OF AGRICULTURE. 



Monthly Meteorological Summary, Lansing, Michigan, Octob.r, 1.910. 



Barometer— Mean, 30.06 inches; highest, 30.38 inches, on 19th; lowest, 29.61 inches, on 28th. 



Temperature— Highest, 84°, on 2d; lowest, 28°, on 20th; greatest daily range, 28°, on 8th; least daily range, 8° on 21st; 

 normal for month, 49.0°; excess or deficiency this month, +4.3°; accumulated excess or deficiency since January l,+627°: average 

 d.iily, same period, +2.1°; highest in 34 years, 90°, lowest, 10°. 



PRECiPiTAnoN (in inches) — Total amount, 2.90; normal, 2.23; excess or deficiency this month, +0.67; since January lst,+1.58. 

 Greatest amount in any 24 hour period, 0.97, on 30th and 31st. Total snowfall, 0.0 inches. 



Wind — PrevaiHng direction, southwest; total movement, 4,155 miles; average hourly velocity, 5.6 miles. Maximum velocity 

 24 from the southeast on 27th. 



Dates of— Auroras, 22; fog, dense, 15; hail, 0; thunderstorms, 2, 4, 5, 10, 31;halos: solar, 11, 29; lunar, 0; frost: killing, 12; 

 heavy, 0; light, 8. 



DEWEY A. SEELEY, 



Meteorologist. 



