Madison Threshold Days by Year (USC00255080)

20 fixed thresholds counted per year at Madison (USC00255080): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Madison Thresholds

Madison: days with 10 mm (0.39 in) or more of precipitation in 115 years, most in 1915 with 35.
Madison: days with 25 mm (0.98 in) or more of precipitation in 115 years, most in 2001 with 15.
Madison: days with a maximum temperature at or above 30 C (86 F) in 103 years, most in 1939 with 109.
Madison: days with a maximum temperature at or above 90 F (32.2 C) in 103 years, most in 1936 with 90.
20 fixed thresholds have at least one qualifying day at Madison.

Days at or above 30 C (86 F)

103 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 109 in 1939.

Days at or above 30 C (86 F) per year at Madison
Year	Days	Decade average
1898	50	48.5
1899	47	48.5
1900	56	35.8
1902	22	35.8
1903	28	35.8
1904	23	35.8
1905	32	35.8
1906	36	35.8
1907	39	35.8
1908	42	35.8
1909	44	35.8
1910	48	46.3
1911	59	46.3
1912	46	46.3
1913	62	46.3
1914	50	46.3
1915	9	46.3
1916	55	46.3
1917	34	46.3
1918	54	46.3
1920	29	44.8
1921	52	44.8
1922	39	44.8
1927	41	44.8
1929	63	44.8
1931	93	87.4
1932	63	87.4
1933	78	87.4
1934	93	87.4
1935	74	87.4
1936	105	87.4
1938	84	87.4
1939	109	87.4
1940	77	64.7
1941	71	64.7
1942	57	64.7
1943	75	64.7
1944	60	64.7
1945	47	64.7
1946	60	64.7
1947	68	64.7
1948	73	64.7
1949	59	64.7
1950	44	67.2
1951	43	67.2
1952	76	67.2
1953	73	67.2
1954	82	67.2
1955	84	67.2
1956	88	67.2
1957	57	67.2
1958	56	67.2
1959	69	67.2
1960	58	62.5
1961	63	62.5
1962	63	62.5
1963	75	62.5
1964	69	62.5
1965	53	62.5
1966	61	62.5
1967	57	62.5
1968	68	62.5
1969	58	62.5
1970	85	70.2
1971	79	70.2
1972	71	70.2
1973	72	70.2
1974	55	70.2
1975	69	70.2
1976	84	70.2
1977	65	70.2
1978	71	70.2
1979	51	70.2
1980	76	52.7
1981	47	52.7
1982	31	52.7
1983	68	52.7
1984	50	52.7
1985	43	52.7
1986	39	52.7
1987	63	52.7
1988	68	52.7
1989	42	52.7
1990	54	43.9
1991	63	43.9
1992	19	43.9
1993	23	43.9
1994	49	43.9
1995	58	43.9
1996	28	43.9
1997	51	43.9
1998	51	43.9
1999	43	43.9
2000	59	45.8
2001	50	45.8
2002	60	45.8
2003	45	45.8
2004	35	45.8
2005	57	45.8
2008	30	45.8
2009	30	45.8
2010	46	47
2011	48	47

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
1898	1898-04-16	1898-09-28
1899	1899-04-28	1899-10-21
1900	1900-05-11	1900-09-09
1902	1902-04-20	1902-09-07
1903	1903-06-18	1903-09-25
1904	1904-05-22	1904-09-29
1905	1905-06-03	1905-10-08
1906	1906-04-24	1906-09-10
1907	1907-03-21	1907-09-22
1908	1908-05-19	1908-09-23
1909	1909-05-04	1909-09-12
1910	1910-03-21	1910-09-17
1911	1911-05-09	1911-09-17
1912	1912-05-19	1912-09-09
1913	1913-05-30	1913-09-07
1914	1914-05-25	1914-08-31
1915	1915-05-11	1915-08-07
1916	1916-05-05	1916-10-03
1917	1917-05-17	1917-09-04
1918	1918-05-03	1918-10-14
1920	1920-06-08	1920-09-25
1921	1921-05-28	1921-09-27
1922	1922-06-07	1922-10-27
1927	1927-04-26	1927-10-20
1929	1929-04-04	1929-09-25
1931	1931-04-08	1931-09-20
1932	1932-05-12	1932-10-02
1933	1933-05-16	1933-09-26
1934	1934-04-29	1934-10-12
1935	1935-03-15	1935-10-15
1936	1936-05-04	1936-10-13
1938	1938-06-03	1938-10-16
1939	1939-04-22	1939-10-06
1940	1940-04-14	1940-10-25
1941	1941-05-14	1941-09-20
1942	1942-04-29	1942-10-07
1943	1943-03-30	1943-10-10
1944	1944-05-14	1944-09-02
1945	1945-05-25	1945-09-22
1946	1946-04-19	1946-09-26
1947	1947-05-14	1947-10-21
1948	1948-04-18	1948-09-20
1949	1949-04-25	1949-09-20
1950	1950-04-22	1950-10-30
1951	1951-04-30	1951-10-02
1952	1952-04-28	1952-09-30
1953	1953-05-24	1953-10-03
1954	1954-04-14	1954-09-27
1955	1955-04-19	1955-09-18
1956	1956-05-18	1956-10-12
1957	1957-06-03	1957-09-24
1958	1958-05-11	1958-10-15
1959	1959-05-01	1959-09-09
1960	1960-04-21	1960-10-11
1961	1961-06-09	1961-10-17
1962	1962-04-21	1962-10-11
1963	1963-05-07	1963-10-06
1964	1964-04-16	1964-09-10
1965	1965-04-29	1965-08-26
1966	1966-05-04	1966-10-08
1967	1967-04-29	1967-10-03
1968	1968-04-30	1968-09-14
1969	1969-05-26	1969-10-04
1970	1970-05-17	1970-09-30
1971	1971-06-03	1971-10-01
1972	1972-04-06	1972-10-02
1973	1973-05-20	1973-09-11
1974	1974-05-20	1974-10-10
1975	1975-05-17	1975-10-14
1976	1976-05-19	1976-10-01
1977	1977-04-10	1977-09-09
1978	1978-03-31	1978-10-21
1979	1979-05-28	1979-09-29
1980	1980-04-20	1980-10-09
1981	1981-04-26	1981-09-30
1982	1982-06-07	1982-09-25
1983	1983-05-28	1983-09-28
1984	1984-06-01	1984-09-24
1985	1985-04-16	1985-09-19
1986	1986-03-29	1986-09-29
1987	1987-04-20	1987-09-27
1988	1988-04-09	1988-09-27
1989	1989-04-21	1989-10-14
1990	1990-04-23	1990-10-06
1991	1991-04-06	1991-09-30
1992	1992-05-01	1992-10-03
1993	1993-05-28	1993-10-07
1994	1994-04-18	1994-09-30
1995	1995-06-07	1995-10-13
1996	1996-05-18	1996-09-11
1997	1997-05-17	1997-10-07
1998	1998-05-15	1998-09-30
1999	1999-06-05	1999-09-27
2000	2000-05-06	2000-10-03
2001	2001-04-27	2001-10-03
2002	2002-04-16	2002-10-01
2003	2003-04-02	2003-10-23
2004	2004-04-17	2004-09-20
2005	2005-05-20	2005-10-19
2008	2008-06-15	2008-09-27
2009	2009-04-24	2009-08-25
2010	2010-05-23	2010-10-09
2011	2011-05-09	2011-10-05

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	103	109	1939	48
35 C (95 F): Days	98	59	1936	7
40 C (104 F): Days	25	29	1936	1
45 C (113 F): Days	1	1	1936	1
90 F (32.2 C): Days	103	90	1936	20
100 F (37.8 C): Days	53	41	1936	3
110 F (43.3 C): Days	5	7	1936	1
0 C (32 F): Ice days (max	103	75	2010	51
0 C (32 F): Frost days (min	102	182	1951	158
-10 C (14 F): Days with min	102	85	1955	65
-20 C (-4 F): Days with min	101	32	1916	12
-30 C (-22 F): Days with min	36	5	1905	1
20 C (68 F): Tropical nights (min	102	40	1935	27
25 C (77 F): Days with min	31	10	1931	1
10 mm (0.39 in): Days with 10 mm or more rain	115	35	1915	18
25 mm (0.98 in): Days with 25 mm or more rain	115	15	2001	5
50 mm (1.97 in): Days with 50 mm or more rain	74	5	1900	1
100 mm (3.94 in): Days with 100 mm or more rain	10	1	1922	1
10 cm (3.9 in): Days with 10 cm or more snowfall	72	6	1982	4
25 cm (9.8 in): Days with 25 cm or more snowfall	11	1	1920	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Madison Threshold Days by Year (USC00255080)

Key Facts for Madison Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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