About Climate Summary Tables

Precipitation Summary for Station USW00014837 - MADISON DANE COUNTY REGIONAL AP, WI

1991-2020 NCEI Normals
Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precip
(in.)		 1.47 1.52 2.26 3.78 4.1 5.28 4.51 4.16 3.43 2.77 2.22 1.63 37.13

 

Precipitation Extremes - Period of Record: 1939-10-01 to 2024-12-20
*Based on latest available data for this station
Month High
(in.)		 Year Low
(in.)		 Year 1-Day
Max (in.)		 Date
January 2.87 2013 0.14 1981 1.84 2013-01-29
February 3.3 2008 0.06 1995 1.61 1948-02-27
March 6.19 2009 0.28 1978 2.78 1998-03-30
April 7.11 1973 0.81 1942 2.63 2014-04-13
May 10.84 2004 0.64 1981 3.66 2004-05-21
June 10.93 2008 0.31 2012 4.51 1996-06-17
July 10.93 1950 0.95 1946 3.89 1975-07-03
August 15.18 2007 0.7 1948 3.78 2018-08-20
September 9.87 1941 0.11 1979 4.32 1941-09-08
October 5.63 1984 0.06 1952 2.78 1984-10-18
November 7.49 2003 0.11 1976 2.3 1971-11-01
December 4.09 1987 0.25 1960 2.19 1990-12-03
Annual 45.56 2016 20.78 1943 4.51 1996-06-17
Winter 9.1 2008 1.45 1961 2.19 1990-12-03
Spring 17.42 1973 4.36 1994 3.66 2004-05-21
Summer 22.69 2007 4.83 1976 4.51 1996-06-17
Autumn 15.61 1961 2.1 1976 4.32 1941-09-08

 

Precipitation Threshold Climatology Derived from 1991-2020 Normals
*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"
January 10.6 4.2 0.6 0.1
February 9.7 4.4 0.6 0.1
March 10.6 5.4 1.2 0.3
April 12.6 7.6 2.5 0.7
May 12.7 7.4 2.6 1
June 11.7 7.8 3.4 1.5
July 10.2 6.5 3 1.6
August 9.4 6.2 2.6 1.2
September 9.2 5.5 2.3 0.8
October 10.1 5.6 1.7 0.5
November 9.6 5 1.4 0.5
December 10 4.5 0.8 0.2
Annual 126.4 70.1 22.7 8.5
Winter 30.3 13.1 2 0.4
Spring 35.9 20.4 6.3 2
Summer 31.3 20.5 9 4.3
Autumn 21.3 16.8 9 4.2