Historical Climate Data

Precipitation Summary
Station: 474829 LONG LAKE DAM, WI

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip (in) 1.32 0.99 1.88 2.42 3.19 3.86 3.67 4.12 4.09 2.73 2.36 1.38 32.01

Precipitation Extremes
Period of Record: 1908-2001

Month High (in) Year Low (in) Year 1-Day
Max (in)		 Date
JAN 3.45 1950 0.29 1961 1.85 01-05-1939
FEB 2.42 1922 0.06 1993 1.25 02-26-1951
MAR 3.92 1979 0.14 1937 1.28 03-11-1973
APR 5.54 1954 0.59 1911 2.22 04-03-1934
MAY 6.45 1938 0.22 1986 2.74 05-16-1951
JUN 9.80 1981 0.50 1910 3.90 06-21-1949
JUL 9.89 1942 0.69 1936 6.80 07-17-1942
AUG 9.83 1941 0.65 1927 4.65 08-21-1936
SEP 9.47 1959 0.63 1950 3.18 09-20-1983
OCT 6.48 1995 0.34 1952 2.38 10-15-1966
NOV 5.56 1991 0.16 1939 2.03 11-10-1975
DEC 3.54 1968 0.10 1913 1.25 12-19-1939
 
Annual 45.71 1938 18.50 1910 6.80 07-17-1942
Winter 7.14 1971 1.37 1959 1.85 01-05-1939
Spring 13.75 1991 3.49 1931 2.74 05-16-1951
Summer 19.37 1938 5.51 1933 6.80 07-17-1942
Fall 15.94 1931 1.79 1976 3.18 09-20-1983

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 11.4 4.7 0.3 0.0
FEB 7.6 3.0 0.4 0.0
MAR 9.3 4.6 1.3 0.1
APR 10.4 6.6 1.3 0.3
MAY 10.6 6.8 2.2 0.8
JUN 12.4 7.8 2.3 0.8
JUL 12.0 8.0 2.6 0.6
AUG 10.8 7.3 2.9 0.9
SEP 12.6 8.2 2.8 1.2
OCT 12.1 6.5 1.5 0.5
NOV 11.4 5.7 1.3 0.3
DEC 11.1 4.3 0.4 0.0
 
Annual 131.7 73.4 19.3 5.6
Winter 30.0 12.0 1.1 0.0
Spring 30.3 18.0 4.8 1.2
Summer 35.2 23.1 7.8 2.4
Fall 36.1 20.4 5.6 2.0