152 STATE BOARD OF AGRICULTURE. 



Monthly Mcleorologicil Summarij, Lansing, Michigan, April, 1020. 



BARoMETER^Mean, 29.81 inches; highest, 30.32 inches, on 25th; lowest, 29.22 inches, on 2nd. 



Temperature— Highest, 74°, on 22nd; lowest, 13°, on 6th; greatest daily range, 29°, on 22nd; least daily range, 9°, on 27th. 

 Normal for month, 45.6°. E.\cess or deficiency this month, —5.7°. Accumulated excess or deficiency since January 1st, —429°: 

 average daily, same period, —2.8°. Highest in 35 years, 88°; lowest, 10°. 



Precipitation (in inches)— Total amount, 3.25; normal, 2.54; excess or deficiency this month, -f0.71; since January 1st, 

 — 0.01. Greatest amount in any 24 hour period, 0.90, on .5th and 6th. Total snowfall, 11.5 inches. 



Wind — Prevailing direction, west; total movement, 6,093 miles; average hourly velocity, 8.5 miles; maximum velocity 30, 

 from the west, on 2nd. 



Dates of— Auroras, 14, 17; hail, 22; thunderstorms, 20, 21, 22; halos: solar, 3, 5, 16, 17, 18, 20, 22, 25, 30; lunar, 1, 29, 30. 

 Frost: killing, 7, 8, 9, 10, 13, 14; heavy, 19, 24, 25; light, 26. 29. 



DEWEY A. SEELEY, 



MeTEOROIjOGIST. 



