About Climate Summary Tables

Temperature 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
Max °F 27 31.2 43.6 56.9 69 78.6 82.1 79.9 72.9 59.6 44.8 32.3 56.5
Min °F 11.8 14.9 25.1 35.8 47.1 57.4 61.6 59.5 51 39.8 28.7 18.2 37.6
Mean °F 19.4 23 34.4 46.3 58.1 68 71.9 69.7 62 49.7 36.7 25.3 47
HDD
base 65		 1413 1174 951 562 252 47 9 20 151 480 848 1232 7138
CDD
base 65		 0 0 1 2 36 137 221 166 59 6 0 0 627

 

Temperature Extremes - Period of Record: 1939-10-01 to 2025-03-09
*Based on latest available data for this station
Month High
Mean °F		 Year Low
Mean °F		 Year 1-Day
Max °F		 Date 1-Day
Min °F		 Date
January 31.6 2006 3.7 1977 62 1944-01-26 -37 1951-01-30
February 33.5 1998 10.9 2015 70 2024-02-27 -29 1996-02-03
March 50.1 2012 18.3 1960 83 2012-03-21 -29 1962-03-01
April 53.1 1955 39.5 1950 94 1980-04-22 0 1982-04-07
May 65.1 1977 49.9 1947 95 2018-05-27 19 1978-05-01
June 72.3 2005 59.5 1969 101 1988-06-20 31 1972-06-10
July 79.4 2012 65.7 2009 104 2012-07-05 36 1965-07-06
August 76.9 1995 62 1967 102 1988-08-17 35 1968-08-27
September 67.1 2015 56.6 1993 99 1953-09-01 25 1974-09-22
October 59.4 1947 43.4 1987 90 1976-10-01 13 1988-10-30
November 46 2001 27.1 1959 77 1944-11-01 -8 1950-11-25
December 35 2015 10.8 1983 68 2021-12-15 -25 1983-12-19
Annual 62 2012 31.9 1976 104 2012-07-05 -37 1951-01-30
Winter 37.2 2002 2.1 1977 70 2024-02-27 -37 1951-01-30
Spring 65.6 1977 29.7 1960 95 2018-05-27 -29 1962-03-01
Summer 86.3 1988 52.8 1967 104 2012-07-05 31 1972-06-10
Autumn 64.9 1963 30 1976 99 1953-09-01 -8 1950-11-25

 

Temperature Threshold Climatology Derived from 1991-2020 Normals
*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding
Month # Days
Max ≥ 90°F		 # Days
Max ≤ 32°F		 # Days
Min ≤ 32°F		 # Days
Min ≤ 0°F
January 0 20 29.7 7.3
February 0 14.6 26.6 4.5
March 0 5.1 23.3 0.9
April 0 0.3 10.4 0
May 0.4 0 1.5 0
June 2 0 0 0
July 3.6 0 0 0
August 2 0 0 0
September 0.6 0 0.5 0
October 0 0 7.2 0
November 0 4.1 19.7 0.1
December 0 14.6 28.1 3
Annual 8.6 58.7 146.9 15.8
Winter 0 49.3 84.4 14.9
Spring 0.4 5.3 35.1 0.9
Summer 7.6 0 0 0
Autumn 0.6 4.1 27.4 0.1