Historical Climate Data

Precipitation Summary
Station: 474482 LAKE MILLS, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip (in) 1.43 1.22 2.28 3.35 3.35 3.91 4.12 4.61 3.60 2.44 2.39 1.68 34.38

Precipitation Extremes
Period of Record: 1896-2001

Month High (in) Year Low (in) Year 1-Day
Max (in)		 Date
JAN 3.96 1916 0.11 1922 1.96 01-27-1916
FEB 3.31 1986 0.00 1987 1.66 02-22-1981
MAR 4.71 1976 0.00 2001 2.48 03-15-1959
APR 8.88 1999 0.38 1932 3.10 04-23-1999
MAY 10.22 1912 0.56 1925 3.20 05-17-1999
JUN 11.31 1996 0.88 1987 4.00 06-17-1996
JUL 9.19 1997 0.09 1909 3.96 07-13-1912
AUG 10.92 1980 0.52 1927 4.93 08-18-1990
SEP 10.30 1965 0.17 1932 5.11 09-08-1941
OCT 7.28 1919 0.10 1952 2.61 10-19-1937
NOV 7.50 1934 0.16 1976 2.21 11-01-1985
DEC 4.47 1968 0.27 1958 1.65 12-15-1971
 
Annual 44.18 1938 19.91 1975 5.11 09-08-1941
Winter 7.92 1937 1.19 1964 1.96 01-27-1916
Spring 18.42 1973 1.97 1936 3.20 05-17-1999
Summer 19.14 1954 4.92 1927 4.93 08-18-1990
Fall 17.80 1919 2.45 1976 5.11 09-08-1941

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 8.8 4.2 0.6 0.1
FEB 5.8 3.6 0.5 0.1
MAR 8.6 5.2 1.5 0.3
APR 11.2 6.7 2.2 0.7
MAY 10.7 7.0 2.2 0.7
JUN 10.1 6.8 2.6 1.1
JUL 9.6 6.6 2.7 1.3
AUG 9.4 6.6 3.2 1.1
SEP 9.4 5.9 2.4 1.0
OCT 9.0 5.3 1.6 0.3
NOV 9.4 5.6 1.8 0.3
DEC 8.3 4.3 1.0 0.2
 
Annual 110.3 67.9 22.5 7.3
Winter 22.8 12.1 2.1 0.4
Spring 30.6 18.9 6.0 1.7
Summer 29.1 20.1 8.6 3.5
Fall 27.8 16.7 5.8 1.6