154 



STATE BOARD OF AGRICUI-TURE. 



Monthly Meteorological Summarp, Lansing, Mich., April, J 019. 



Barometer — Mean, 30.01 inches; highest, 30.41 inches, on 21st; lowest, 29.42 inches, on 10th. 



Temperature — Highest, 73°, on 8th; lowest, 17°, onlst; geatestr daily range, 30°, on 21st; least daily range, 2®, on 11th; 

 normal for month, 45.6°; excess or deficiency this month, —0.8°; accumulated excess or deficiency since January 1st, -{-351°; 

 average daily, same period, 4-2.9°; highest in 34 years, 88 ; lowest, 10°. 



Precipitation (in inches) — Total amoimt, 4.13; normal , 2.54; excess or deficiency this month, -1-1.59; since January 1st, -F0.56; 

 greatest amount in any 24 hour period, 1.24, on loth and 16th; total snowfall, 3.2 inches. 



Wind — Prevailing direction, southwest; total movement, 5,524 miles; average hourly velocity, 7.7 miles; maximum velocity 

 25, from the south, on 10th. 



Dates op— Auroras, 0; sleet, 17; thunderstorms, 6, 7, 9, 10; Halos: solar, 2, 19, 22, 23; lunar, 8, 13; frost: killing, 15, 18, 21, 

 24, 25, 26, 27, 29; heavy, 19; light, 30. 



DKWEY A. SF-ELEY, 



Meteorolnuist. 



