About Climate Summary Tables

Temperature Summary for Station USW00014898 - GREEN BAY A S INTL AP, WI

1991-2020 NCEI Normals
Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Max °F 25.5 29 40.4 53.8 67.1 76.6 81 78.9 71.7 58 43.5 31.1 54.7
Min °F 11.1 13.2 23.9 34.8 46 56.2 60.1 58.2 50.2 39.5 28.9 18 36.7
Mean °F 18.3 21.1 32.1 44.3 56.5 66.4 70.5 68.6 61 48.7 36.2 24.5 45.7
HDD
base 65		 1448 1229 1019 622 288 65 14 27 168 507 864 1254 7505
CDD
base 65		 0 0 0 1 26 107 186 137 47 4 0 0 508

 

Temperature Extremes - Period of Record: 1886-09-01 to 2025-04-20
*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 30.5 2006 -1.1 1912 56 1944-01-26 -36 1888-01-21
February 31.2 1998 4.6 1936 70 2024-02-27 -33 1899-02-10
March 46.3 2012 19.5 1960 82 2012-03-21 -29 1962-03-01
April 52.3 1915 35 1907 89 1980-04-22 7 1954-04-03
May 63.4 1977 46.9 1907 99 1934-05-31 21 1966-05-09
June 72.9 1933 57.2 1969 101 1934-06-01 32 1958-06-06
July 77.3 1921 64.9 1992 104 1936-07-13 40 1965-07-06
August 75.2 1900 61.7 1950 100 1948-08-24 38 1967-08-22
September 67.3 1931 54.2 1918 97 1931-09-10 24 1949-09-29
October 58.8 1947 39 1925 88 2023-10-01 8 1887-10-25
November 43.4 2001 25.4 1951 75 2022-11-02 -12 1887-11-28
December 34.5 2015 9.1 1976 65 2021-12-16 -27 1983-12-19
Annual 59.5 2012 30.8 1950 104 1936-07-13 -36 1888-01-21
Winter 35 2002 0.9 1977 70 2024-02-27 -36 1888-01-21
Spring 61.9 2012 27.7 1888 99 1934-05-31 -29 1962-03-01
Summer 84.1 1988 52.1 1958 104 1936-07-13 32 1958-06-06
Autumn 63.3 2016 31 1976 97 1931-09-10 -12 1887-11-28

 

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 22 29.8 8.4
February 0 17.1 26.7 5.6
March 0 6.8 25.2 1.3
April 0 0.6 12.1 0
May 0.2 0 1.3 0
June 1.6 0 0 0
July 2.5 0 0 0
August 1 0 0 0
September 0.3 0 0.6 0
October 0 0 7.7 0
November 0 4.4 20.5 0.1
December 0 15.3 28.4 3.7
Annual 5.5 66.3 152.3 19.2
Winter 0 54.4 84.9 17.7
Spring 0.2 7.5 38.6 1.3
Summer 5 0 0 0
Autumn 0.3 4.4 28.7 0.1