136 



STATE BOARD OF AGRICULTURE. 



MONTHLY METEOROLOGICAL SUMMARY, LANSING, MICHIGAN, OCTOBER, 1920. 



B.\ROMBTER — Mean, 30.09 inches; highest, 30.49 inches, on 6th; lowest, 29.40 inches, on 27th. 



Temper,\tlrb— Highest, 82°, on 22rd; lowest, 28°, on 30th; greatest daily range, 35°. on 7th; least daily range, 12°, on 6th; 

 normal for month, 49.0°; excess or deficiency this month, -|-8.8°; accumulated excess or deficiency since January 1st, —248*; 

 average daily, same period, — 0.8°; highest in 35 years, 90°; lowest, 10°. 



Precipitation (in inches) — Total amount, 1.37; normal, 2.23; e.xcess or deficiency this month, — 0.86; since January 1st, — 4.45; 

 greatest amount in any 24 hour period, 0.63, on 25th and 20th; total snowfall, T. 



Wind — Prevaihng direction, southwest; total movement, 3,553 miles; average hourly velocity, 4.8 miles; maximum velocity 19, 

 from the south, on 15th. 



Dates of— Auroras, 0; dense fog, 12, 17; thunderstorms, 10, 24, 27; halos: solar, 17, 18, 23; lunar, 0; frost: killing, 29; heavy, 6, 

 7; light, 2. 



DEWEY A. SEELEY, . 

 Meteorologist. 



