Madison Threshold Days by Year (USC00174927)

17 fixed thresholds counted per year at Madison (USC00174927): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Madison Thresholds

Madison: days with a maximum temperature at or above 30 C (86 F) in 121 years, most in 1955 with 36.
Madison: days with a maximum temperature at or below 0 C (32 F) in 121 years, most in 1989 with 89.
Madison: days with 10 mm (0.39 in) or more of precipitation in 117 years, most in 1954 with 51.
Madison: days with 25 mm (0.98 in) or more of precipitation in 117 years, most in 1904 with 20.
17 fixed thresholds have at least one qualifying day at Madison.

Days at or above 30 C (86 F)

121 years with a qualifying day

Days per year at Madison with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1955.

Days at or above 30 C (86 F) per year at Madison
Year	Days	Decade average
1904	7	12.7
1905	11	12.7
1906	6	12.7
1907	9	12.7
1908	28	12.7
1909	15	12.7
1910	8	15.7
1911	20	15.7
1912	14	15.7
1913	13	15.7
1914	20	15.7
1915	5	15.7
1916	16	15.7
1917	21	15.7
1918	20	15.7
1919	20	15.7
1920	15	13.1
1921	29	13.1
1922	14	13.1
1923	8	13.1
1924	12	13.1
1925	11	13.1
1926	3	13.1
1927	5	13.1
1929	21	13.1
1930	15	14.6
1931	14	14.6
1932	13	14.6
1933	11	14.6
1934	10	14.6
1935	15	14.6
1936	3	14.6
1937	35	14.6
1938	18	14.6
1939	12	14.6
1940	13	22
1941	22	22
1942	16	22
1943	11	22
1944	31	22
1945	23	22
1946	19	22
1947	26	22
1948	25	22
1949	34	22
1950	8	15.9
1951	11	15.9
1952	26	15.9
1953	22	15.9
1954	7	15.9
1955	36	15.9
1956	7	15.9
1957	11	15.9
1958	8	15.9
1959	23	15.9
1960	9	9.9
1961	16	9.9
1962	8	9.9
1963	14	9.9
1964	7	9.9
1965	12	9.9
1966	10	9.9
1967	3	9.9
1968	8	9.9
1969	12	9.9
1970	23	14.8
1971	10	14.8
1972	10	14.8
1973	18	14.8
1974	12	14.8
1975	11	14.8
1976	12	14.8
1978	17	14.8
1979	20	14.8
1980	17	10.6
1981	10	10.6
1982	14	10.6
1983	6	10.6
1984	9	10.6
1985	6	10.6
1986	3	10.6
1987	10	10.6
1988	23	10.6
1989	8	10.6
1990	11	11.5
1991	24	11.5
1992	5	11.5
1993	16	11.5
1994	8	11.5
1995	14	11.5
1996	8	11.5
1997	12	11.5
1998	4	11.5
1999	13	11.5
2000	2	10.4
2001	18	10.4
2002	19	10.4
2003	3	10.4
2004	5	10.4
2005	17	10.4
2006	11	10.4
2007	15	10.4
2008	6	10.4
2009	8	10.4
2010	19	12.1
2011	11	12.1
2012	14	12.1
2013	18	12.1
2014	8	12.1
2015	6	12.1
2016	13	12.1
2017	8	12.1
2018	13	12.1
2019	11	12.1
2020	15	14.4
2021	13	14.4
2022	17	14.4
2023	10	14.4
2024	17	14.4
2025	17	14.4
2026	12	14.4

For each year, a bar from the first to the last day at Madison meeting 30 C (86 F).

First to last qualifying date each year at Madison
Year	First date	Last date
1904	1904-06-25	1904-07-19
1905	1905-06-17	1905-08-13
1906	1906-07-16	1906-08-21
1907	1907-06-25	1907-08-13
1908	1908-06-08	1908-09-28
1909	1909-06-23	1909-08-26
1910	1910-06-23	1910-07-28
1911	1911-05-13	1911-08-16
1912	1912-06-03	1912-07-16
1913	1913-04-26	1913-09-04
1914	1914-05-21	1914-09-25
1915	1915-06-02	1915-09-16
1916	1916-07-08	1916-08-24
1917	1917-07-08	1917-08-14
1918	1918-05-17	1918-08-27
1919	1919-06-03	1919-07-26
1920	1920-06-01	1920-09-27
1921	1921-05-22	1921-09-05
1922	1922-06-06	1922-08-17
1923	1923-06-20	1923-08-05
1924	1924-07-04	1924-09-01
1925	1925-06-03	1925-09-12
1926	1926-07-18	1926-07-22
1927	1927-04-19	1927-07-15
1929	1929-05-28	1929-09-03
1930	1930-05-02	1930-10-13
1931	1931-05-20	1931-09-11
1932	1932-05-16	1932-09-02
1933	1933-06-08	1933-08-31
1934	1934-06-05	1934-08-18
1935	1935-07-04	1935-08-20
1936	1936-06-03	1936-08-16
1937	1937-05-30	1937-09-03
1938	1938-06-21	1938-08-21
1939	1939-07-04	1939-09-17
1940	1940-07-07	1940-08-18
1941	1941-05-20	1941-09-22
1942	1942-05-29	1942-09-17
1943	1943-06-22	1943-08-04
1944	1944-05-31	1944-08-18
1945	1945-04-13	1945-09-09
1946	1946-05-25	1946-09-20
1947	1947-06-28	1947-09-12
1948	1948-06-30	1948-09-13
1949	1949-06-03	1949-08-29
1950	1950-06-08	1950-08-28
1951	1951-06-20	1951-09-12
1952	1952-06-09	1952-08-29
1953	1953-05-10	1953-09-05
1954	1954-06-19	1954-08-26
1955	1955-05-22	1955-08-22
1956	1956-06-12	1956-08-18
1957	1957-05-09	1957-09-03
1958	1958-07-24	1958-08-31
1959	1959-05-22	1959-09-22
1960	1960-07-11	1960-09-09
1961	1961-05-14	1961-09-12
1962	1962-05-19	1962-07-08
1963	1963-06-24	1963-07-29
1964	1964-05-24	1964-07-29
1965	1965-06-21	1965-09-23
1966	1966-05-24	1966-08-30
1967	1967-06-03	1967-06-16
1968	1968-07-03	1968-07-20
1969	1969-05-18	1969-09-02
1970	1970-06-01	1970-09-23
1971	1971-06-20	1971-09-06
1972	1972-05-22	1972-08-23
1973	1973-06-12	1973-09-01
1974	1974-05-16	1974-08-23
1975	1975-06-24	1975-08-13
1976	1976-06-09	1976-08-23
1978	1978-05-29	1978-09-22
1979	1979-05-10	1979-08-06
1980	1980-06-26	1980-08-28
1981	1981-05-26	1981-08-23
1982	1982-05-27	1982-08-17
1983	1983-06-14	1983-07-06
1984	1984-06-12	1984-08-23
1985	1985-07-02	1985-09-21
1986	1986-07-08	1986-07-27
1987	1987-06-01	1987-08-19
1988	1988-06-13	1988-08-14
1989	1989-05-19	1989-07-28
1990	1990-04-28	1990-08-29
1991	1991-05-17	1991-08-31
1992	1992-05-22	1992-08-26
1993	1993-06-15	1993-09-16
1994	1994-06-01	1994-07-24
1995	1995-06-02	1995-08-22
1996	1996-06-14	1996-09-06
1997	1997-06-11	1997-08-17
1998	1998-07-16	1998-08-11
1999	1999-06-01	1999-09-05
2000	2000-06-18	2000-09-02
2001	2001-05-04	2001-09-10
2002	2002-07-03	2002-09-11
2003	2003-06-26	2003-06-28
2004	2004-05-16	2004-08-29
2005	2005-06-12	2005-08-14
2006	2006-05-30	2006-08-03
2007	2007-05-25	2007-09-27
2008	2008-06-09	2008-07-18
2009	2009-04-29	2009-08-20
2010	2010-05-25	2010-09-04
2011	2011-07-06	2011-08-07
2012	2012-06-21	2012-08-09
2013	2013-06-01	2013-09-12
2014	2014-06-08	2014-08-26
2015	2015-05-27	2015-09-18
2016	2016-05-29	2016-09-10
2017	2017-05-19	2017-09-26
2018	2018-05-03	2018-09-04
2019	2019-07-04	2019-07-31
2020	2020-05-23	2020-08-14
2021	2021-05-27	2021-08-27
2022	2022-05-14	2022-08-31
2023	2023-05-29	2023-09-08
2024	2024-05-23	2024-08-03
2025	2025-06-06	2025-08-17
2026	2026-05-20	2026-08-10

Every Fixed Threshold

Fixed thresholds at Madison
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	121	36	1955	12
35 C (95 F): Days	30	13	1944	1
90 F (32.2 C): Days	107	26	1944	2
100 F (37.8 C): Days	3	1	1911	1
0 C (32 F): Ice days (max	121	89	1989	47
0 C (32 F): Frost days (min	115	201	1972	111
-10 C (14 F): Days with min	115	101	1914	53
-20 C (-4 F): Days with min	114	49	1989	19
-30 C (-22 F): Days with min	69	14	1934	2
20 C (68 F): Tropical nights (min	70	11	1937	2
10 mm (0.39 in): Days with 10 mm or more rain	117	51	1954	21
25 mm (0.98 in): Days with 25 mm or more rain	117	20	1904	3
50 mm (1.97 in): Days with 50 mm or more rain	80	5	1904	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	2000	1
10 cm (3.9 in): Days with 10 cm or more snowfall	76	13	1975	4
25 cm (9.8 in): Days with 25 cm or more snowfall	44	6	1969	1
50 cm (19.7 in): Days with 50 cm or more snowfall	4	1	2007	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Madison threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Madison Threshold Days by Year (USC00174927)

Key Facts for Madison Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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