Historical Climate Data

Snowfall Summary
Station: 470045 AFTON, WI

1987-2000 Averages

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Snow(in) 12.8 8.3 3.5 1.1 0.1 0.0 0.0 0.0 0.0 0.3 1.9 10.1 38.1

Snowfall Extremes
Period of Record: 1987-2001

Month High (in) Year 1-Day
Max (in)		 Date
JAN 28.0 1999 10.0 01-03-1999
FEB 29.7 1994 6.8 02-26-1994
MAR 10.5 1992 8.8 03-22-1992
APR 7.5 1997 5.0 04-13-1997
MAY 1.0 1990 1.0 05-09-1990
JUN 0.0 - - -
JUL 0.0 - - -
AUG 0.0 - - -
SEP 0.0 - - -
OCT 2.0 1997 2.0 10-27-1997
NOV 10.1 1995 7.0 11-28-1995
DEC 33.2 2000 12.5 12-07-1994
Season (Jul-Jun) 54.7 1996-1997 12.5 12-07-1994

Snowfall Threshold Climatology
Derived from 1987-2000 Averages


*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding.

Month # Days
Total ≥ 0.1"		 # Days
Total ≥ 1.0"		 # Days
Total ≥ 2.0"		 # Days
Total ≥ 5.0"
JAN 7.1 4.6 2.4 0.5
FEB 4.1 2.7 1.9 0.4
MAR 2.5 1.1 0.8 0.2
APR 0.5 0.4 0.3 0.1
MAY 0.2 0.1 0.0 0.0
JUN 0.0 0.0 0.0 0.0
JUL 0.0 0.0 0.0 0.0
AUG 0.0 0.0 0.0 0.0
SEP 0.0 0.0 0.0 0.0
OCT 0.3 0.1 0.1 0.0
NOV 1.9 0.5 0.2 0.1
DEC 5.8 2.9 1.7 0.6
Annual 22.0 12.2 7.4 1.7