Historical Climate Data

Snowfall Summary
Station: 476200 OCONOMOWOC 1 SW, WI

1971-2000 Averages

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Snow(in) 11.9 7.5 5.4 2.0 0.3 0.0 0.0 0.0 0.0 0.1 3.2 10.2 40.7

Snowfall Extremes
Period of Record: 1896-2001

Month High (in) Year 1-Day
Max (in)		 Date
JAN 31.5 1979 11.0 01-21-1959
FEB 25.5 1974 8.0 02-06-1974
MAR 18.6 1952 11.0 03-08-1961
APR 14.5 1973 8.0 04-09-1973
MAY 5.3 1994 5.3 05-01-1994
JUN 0.0 - - -
JUL 0.0 - - -
AUG 0.0 - - -
SEP 0.0 - - -
OCT 1.7 1992 1.7 10-20-1992
NOV 12.6 1995 7.0 11-27-1976
DEC 28.7 2000 11.5 12-08-1977
Season (Jul-Jun) 73.8 1951-1952 11.5 12-08-1977

Snowfall Threshold Climatology
Derived from 1971-2000 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 8.0 4.4 2.4 0.3
FEB 5.1 3.1 1.4 0.2
MAR 3.9 2.0 1.0 0.3
APR 1.2 0.6 0.4 0.1
MAY 0.1 0.1 0.1 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 0.1 0.0 0.0 0.0
NOV 2.5 1.2 0.5 0.2
DEC 7.2 3.3 1.9 0.4
Annual 28.2 14.7 7.7 1.5