Historical Climate Data

Precipitation Summary
Station: 471568 CHILTON SEWAGE PLANT, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip (in) 1.41 1.22 2.16 2.72 2.93 3.81 3.57 3.83 3.62 2.40 2.26 1.57 31.50

Precipitation Extremes
Period of Record: 1896-2001

Month High (in) Year Low (in) Year 1-Day
Max (in)		 Date
JAN 3.70 1906 0.03 1981 1.48 01-16-1969
FEB 3.58 1953 0.02 1969 1.70 02-08-1966
MAR 5.30 1979 0.09 1910 3.00 03-31-1998
APR 5.53 1993 0.20 1901 2.44 04-17-1967
MAY 7.46 1978 0.31 1988 3.85 05-12-1978
JUN 9.14 1999 1.13 1988 3.38 06-11-1957
JUL 7.16 1964 0.96 1908 3.82 07-25-1986
AUG 8.03 1975 0.27 1969 3.50 08-30-1958
SEP 12.70 1986 0.13 1979 5.31 09-11-1986
OCT 6.10 1900 0.07 1963 3.40 10-03-1954
NOV 5.94 1985 0.09 1976 2.13 11-21-1906
DEC 4.14 1971 0.05 1896 2.11 12-28-1959
 
Annual 41.18 1986 19.91 1901 5.31 09-11-1986
Winter 7.45 1974 1.14 1961 2.11 12-28-1959
Spring 13.19 1904 3.88 1988 3.85 05-12-1978
Summer 18.40 1986 6.05 1970 3.82 07-25-1986
Fall 15.78 1986 2.09 1953 5.31 09-11-1986

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 8.7 4.1 0.7 0.1
FEB 7.0 3.6 0.8 0.0
MAR 8.5 5.3 1.2 0.4
APR 10.1 6.0 1.7 0.3
MAY 9.6 6.4 1.7 0.6
JUN 10.3 6.9 2.5 0.8
JUL 10.0 6.8 2.5 0.9
AUG 10.3 7.0 2.7 1.0
SEP 10.0 6.5 2.1 0.9
OCT 9.2 5.6 1.4 0.3
NOV 9.3 5.8 1.3 0.4
DEC 8.7 4.5 0.7 0.2
 
Annual 112.0 68.5 19.4 6.0
Winter 24.5 12.2 2.2 0.4
Spring 28.2 17.7 4.7 1.3
Summer 30.7 20.7 7.6 2.7
Fall 28.6 17.9 4.8 1.6