Historical Climate Data

Precipitation Summary
Station: 475581 MONTELLO, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip (in) 1.31 1.17 2.21 3.34 3.48 4.14 4.14 4.38 3.81 2.26 2.41 1.38 34.03

Precipitation Extremes
Period of Record: 1954-2001

Month High (in) Year Low (in) Year 1-Day
Max (in)		 Date
JAN 2.63 1988 0.09 1958 1.09 01-20-1988
FEB 2.77 1998 0.00 1969 1.00 02-14-1998
MAR 4.53 1998 0.25 1978 2.75 03-31-1998
APR 5.69 1993 0.83 1989 2.37 04-24-1955
MAY 7.35 1973 0.92 1988 2.59 05-06-1960
JUN 8.93 1984 0.87 1988 3.42 06-17-1984
JUL 10.75 1999 0.47 1967 4.03 07-25-1985
AUG 10.70 1980 1.00 1958 2.98 08-09-1979
SEP 14.77 1986 0.58 1975 4.91 09-22-1986
OCT 5.65 1967 0.08 1964 3.15 10-03-1954
NOV 5.42 1985 0.07 1976 2.12 11-21-1992
DEC 2.95 1977 0.16 1958 1.73 12-27-1959
 
Annual 40.79 1986 17.08 1958 4.91 09-22-1986
Winter 6.54 1967 1.24 1987 1.73 12-27-1959
Spring 16.48 1973 4.84 1958 2.75 03-31-1998
Summer 21.66 1993 5.50 1970 4.03 07-25-1985
Fall 18.06 1986 2.38 1976 4.91 09-22-1986

Precipitation 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 ≥ 0.01"		 # Days
Total ≥ 0.10"		 # Days
Total ≥ 0.50"		 # Days
Total ≥ 1.00"
JAN 6.4 4.4 0.6 0.0
FEB 5.7 3.4 0.6 0.0
MAR 7.2 5.5 1.6 0.4
APR 9.5 6.8 2.3 0.6
MAY 9.1 7.0 2.3 0.8
JUN 8.7 7.0 2.9 1.2
JUL 8.5 6.7 3.1 1.1
AUG 9.2 7.3 2.9 1.2
SEP 7.9 6.3 2.8 1.1
OCT 7.6 5.5 1.5 0.4
NOV 8.1 5.6 1.5 0.4
DEC 6.5 4.2 0.7 0.1
 
Annual 94.5 69.8 22.9 7.3
Winter 18.6 12.1 1.9 0.1
Spring 25.8 19.3 6.2 1.8
Summer 26.4 21.0 8.8 3.5
Fall 23.6 17.3 5.8 1.9