Historical Climate Data

Precipitation Summary
Station: 473654 HILLSBORO SEWAGE PLANT, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip (in) 1.02 1.01 2.00 3.41 3.58 4.06 4.13 4.28 3.77 2.39 2.20 1.12 32.97

Precipitation Extremes
Period of Record: 1948-2001

Month High (in) Year Low (in) Year 1-Day
Max (in)		 Date
JAN 2.42 1996 0.10 1981 0.98 01-25-1967
FEB 3.53 1971 0.00 1964 1.23 02-19-1971
MAR 4.30 1998 0.27 1994 2.09 03-31-1998
APR 7.21 1981 0.50 1997 3.20 04-04-1981
MAY 7.06 1973 0.78 1981 3.33 05-18-2000
JUN 10.30 1990 0.56 1966 3.91 06-17-1996
JUL 7.93 1999 1.29 1967 3.16 07-20-1980
AUG 13.81 1980 0.09 1970 4.15 08-27-1959
SEP 11.31 1992 0.71 1982 3.37 09-10-1994
OCT 8.21 1984 0.16 1964 2.96 10-21-1965
NOV 5.50 1982 0.00 1976 2.41 11-11-1982
DEC 3.08 1968 0.13 1993 1.00 12-28-1959
 
Annual 44.02 1965 16.67 1976 4.15 08-27-1959
Winter 5.67 1971 0.62 1964 1.23 02-19-1971
Spring 16.69 1973 3.78 1988 3.33 05-18-2000
Summer 22.38 1980 4.25 1976 4.15 08-27-1959
Fall 18.29 1965 1.99 1966 3.37 09-10-1994

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 8.1 3.3 0.4 0.0
FEB 6.6 3.1 0.5 0.0
MAR 8.4 4.9 1.2 0.3
APR 10.6 6.6 2.1 0.8
MAY 10.3 6.9 2.3 0.7
JUN 10.3 7.3 2.7 1.1
JUL 9.3 6.4 2.9 1.2
AUG 10.0 6.8 2.7 1.3
SEP 9.5 6.1 2.4 1.2
OCT 8.6 5.0 1.6 0.4
NOV 8.6 4.5 1.4 0.3
DEC 7.7 3.2 0.5 0.0
 
Annual 108.0 64.5 20.8 7.4
Winter 22.3 9.6 1.3 0.0
Spring 29.2 18.4 5.6 1.8
Summer 29.6 20.5 8.3 3.6
Fall 26.7 15.6 5.5 1.9