About Climate Summary Tables

Temperature Summary for Station USW00014991 - CHIPPEWA VALLEY REGIONAL AIRPORT, WI

1991-2020 NCEI Normals
Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Max °F 23.4 28.4 41.3 56.5 69.6 78.7 82.8 80.4 72.3 58 42 28.7 55.2
Min °F 5.8 9.1 21.2 33.2 45.1 55.5 59.8 57.7 49.3 36.9 24.7 12.6 34.3
Mean °F 14.6 18.8 31.2 44.8 57.4 67.1 71.3 69.1 60.8 47.5 33.4 20.6 44.7
HDD
base 65		 1562 1295 1047 607 266 57 12 27 179 548 950 1375 7923
CDD
base 65		 0 0 0 2 28 120 207 153 53 4 0 0 567

 

Temperature Extremes - Period of Record: 1949-10-01 to 2026-07-21
*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 28.4 2006 -0.7 1977 54 1981-01-25 -45 1951-01-30
February 31.8 2024 5.7 2014 63 2000-02-29 -35 1996-02-02
March 47.4 2012 20.1 1960 84 1986-03-29 -35 1962-03-01
April 52.3 2010 34.8 2018 91 2002-04-15 4 2018-04-08
May 66.2 1977 50.3 1954 95 2006-05-28 20 1966-05-09
June 73.1 2021 58.8 1969 100 1985-06-08 33 1964-06-01
July 77 2006 65.5 1992 104 1988-07-15 42 1972-07-04
August 73.8 1995 63.8 2004 104 1988-08-01 37 1950-08-20
September 65.9 2024 53.2 1993 100 2023-09-03 23 1967-09-29
October 57.9 1963 41 1952 89 1953-10-02 11 1952-10-20
November 44 2001 23 1951 76 1999-11-08 -18 1964-11-30
December 33.2 2023 4.6 1983 64 2001-12-05 -32 1983-12-19
Annual 48.8 1998 40.2 1951 104 1988-07-15 -45 1951-01-30
Winter 28.8 2024 7.6 2014 64 2001-12-05 -45 1951-01-30
Spring 52.1 2012 37.3 1950 95 2006-05-28 -35 1962-03-01
Summer 73.2 1988 64.9 1992 104 1988-07-15 33 1964-06-01
Autumn 52.2 2024 41.7 1951 100 2023-09-03 -18 1964-11-30

 

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 23.2 30.6 11.4
February 0 17.6 27.1 7.8
March 0 7.1 25.5 1.8
April 0.1 0.8 14.1 0
May 0.7 0 2.2 0
June 2.3 0 0 0
July 4.2 0 0 0
August 2 0 0 0
September 0.9 0 0.9 0
October 0 0.1 9.6 0
November 0 6.4 23.4 0.4
December 0 18.2 29.5 6
Annual 10.3 73.3 162.8 27.5
Winter 0 59 87.2 25.3
Spring 0.8 7.8 41.7 1.8
Summer 8.6 0 0 0
Autumn 0.9 6.5 33.9 0.4