Madison Threshold Days by Year (USC00085275)

15 fixed thresholds counted per year at Madison (USC00085275): 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 100 years, most in 1948 with 59.
Madison: days with 25 mm (0.98 in) or more of precipitation in 100 years, most in 1964 with 26.
Madison: days with 50 mm (1.97 in) or more of precipitation in 97 years, most in 1957 with 11.
Madison: days with a maximum temperature at or above 30 C (86 F) in 96 years, most in 1955 with 173.
15 fixed thresholds have at least one qualifying day at Madison.

Days at or above 30 C (86 F)

96 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 173 in 1955.

Days at or above 30 C (86 F) per year at Madison
Year	Days	Decade average
1904	115	143.3
1905	143	143.3
1908	155	143.3
1909	160	143.3
1910	148	145.1
1911	165	145.1
1912	130	145.1
1913	141	145.1
1914	153	145.1
1915	156	145.1
1916	141	145.1
1917	126	145.1
1919	146	145.1
1920	146	145.3
1921	162	145.3
1922	137	145.3
1924	124	145.3
1925	168	145.3
1926	136	145.3
1927	158	145.3
1928	132	145.3
1929	145	145.3
1930	146	140.8
1931	156	140.8
1932	142	140.8
1933	148	140.8
1934	142	140.8
1935	151	140.8
1936	148	140.8
1937	132	140.8
1938	118	140.8
1939	125	140.8
1940	108	139
1941	138	139
1942	147	139
1943	160	139
1944	134	139
1945	152	139
1946	136	139
1947	146	139
1948	135	139
1949	134	139
1950	122	144
1951	153	144
1952	138	144
1953	132	144
1954	167	144
1955	173	144
1956	135	144
1957	138	144
1958	141	144
1959	141	144
1960	150	143.8
1961	141	143.8
1962	166	143.8
1963	149	143.8
1964	137	143.8
1965	151	143.8
1966	125	143.8
1967	144	143.8
1968	146	143.8
1969	129	143.8
1977	157	143.7
1978	147	143.7
1979	127	143.7
1980	146	143
1981	143	143
1982	136	143
1983	122	143
1984	150	143
1985	145	143
1986	166	143
1987	147	143
1988	130	143
1989	145	143
1990	167	148
1991	141	148
1992	139	148
1993	159	148
1996	131	148
1998	146	148
1999	153	148
2000	147	146.9
2001	141	146.9
2002	157	146.9
2003	141	146.9
2006	150	146.9
2007	164	146.9
2008	128	146.9
2010	139	133
2011	142	133
2012	127	133
2013	113	133
2014	131	133
2015	141	133
2016	138	133

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	1904-03-01	1904-10-11
1905	1905-03-27	1905-10-19
1908	1908-03-11	1908-11-08
1909	1909-03-08	1909-11-07
1910	1910-03-10	1910-10-22
1911	1911-03-09	1911-10-22
1912	1912-03-20	1912-10-19
1913	1913-03-14	1913-10-18
1914	1914-03-30	1914-10-13
1915	1915-04-09	1915-10-17
1916	1916-04-15	1916-10-30
1917	1917-03-14	1917-10-28
1919	1919-04-08	1919-11-28
1920	1920-03-18	1920-11-10
1921	1921-03-07	1921-11-18
1922	1922-03-27	1922-10-17
1924	1924-04-17	1924-09-28
1925	1925-03-08	1925-10-18
1926	1926-04-10	1926-10-23
1927	1927-03-17	1927-10-25
1928	1928-03-15	1928-10-22
1929	1929-03-23	1929-11-15
1930	1930-04-16	1930-10-17
1931	1931-04-21	1931-10-28
1932	1932-04-06	1932-10-30
1933	1933-03-17	1933-10-19
1934	1934-03-25	1934-10-23
1935	1935-03-20	1935-11-06
1936	1936-03-26	1936-11-04
1937	1937-04-18	1937-10-08
1938	1938-03-21	1938-09-25
1939	1939-03-23	1939-10-28
1940	1940-03-29	1940-09-24
1941	1941-04-19	1941-10-31
1942	1942-04-05	1942-10-25
1943	1943-03-18	1943-11-06
1944	1944-02-27	1944-10-07
1945	1945-03-07	1945-10-22
1946	1946-04-03	1946-11-10
1947	1947-04-05	1947-10-20
1948	1948-03-20	1948-09-24
1949	1949-03-24	1949-10-26
1950	1950-01-05	1950-09-23
1951	1951-03-08	1951-10-31
1952	1952-03-21	1952-10-07
1953	1953-03-14	1953-10-24
1954	1954-03-24	1954-10-28
1955	1955-03-12	1955-10-13
1956	1956-04-01	1956-10-08
1957	1957-02-05	1957-11-15
1958	1958-04-19	1958-10-24
1959	1959-04-07	1959-11-05
1960	1960-04-01	1960-10-19
1961	1961-03-04	1961-11-04
1962	1962-03-30	1962-10-21
1963	1963-03-18	1963-10-28
1964	1964-04-04	1964-10-03
1965	1965-04-06	1965-10-10
1966	1966-04-01	1966-10-18
1967	1967-03-10	1967-10-08
1968	1968-03-20	1968-10-18
1969	1969-04-02	1969-10-16
1977	1977-03-16	1977-11-24
1978	1978-04-03	1978-11-16
1979	1979-04-11	1979-10-31
1980	1980-04-22	1980-10-18
1981	1981-04-13	1981-10-10
1982	1982-03-13	1982-11-01
1983	1983-05-09	1983-10-13
1984	1984-04-21	1984-10-30
1985	1985-03-09	1985-10-24
1986	1986-04-01	1986-11-23
1987	1987-04-20	1987-10-21
1988	1988-04-05	1988-10-03
1989	1989-03-18	1989-10-18
1990	1990-04-17	1990-10-22
1991	1991-03-24	1991-10-26
1992	1992-04-23	1992-09-29
1993	1993-03-29	1993-10-22
1996	1996-04-15	1996-10-30
1998	1998-03-30	1998-11-17
1999	1999-04-03	1999-11-02
2000	2000-04-17	2000-10-30
2001	2001-04-11	2001-10-26
2002	2002-03-17	2002-11-13
2003	2003-04-07	2003-11-11
2006	2006-03-28	2006-10-21
2007	2007-03-25	2007-10-26
2008	2008-04-02	2008-10-08
2010	2010-04-03	2010-10-28
2011	2011-03-20	2011-10-01
2012	2012-03-15	2012-10-08
2013	2013-05-16	2013-10-18
2014	2014-04-27	2014-10-28
2015	2015-03-12	2015-11-08
2016	2016-03-17	2016-11-05

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	96	173	1955	138
35 C (95 F): Days	95	66	1990	44
40 C (104 F): Days	5	3	1985	1
90 F (32.2 C): Days	96	133	1990	102
100 F (37.8 C): Days	52	16	1954	1
0 C (32 F): Ice days (max	1	1	1985	1
0 C (32 F): Frost days (min	93	45	2002	11
-10 C (14 F): Days with min	9	2	1983	1
20 C (68 F): Tropical nights (min	94	150	1905	122
25 C (77 F): Days with min	35	6	1925	2
10 mm (0.39 in): Days with 10 mm or more rain	100	59	1948	34
25 mm (0.98 in): Days with 25 mm or more rain	100	26	1964	11
50 mm (1.97 in): Days with 50 mm or more rain	97	11	1957	7
100 mm (3.94 in): Days with 100 mm or more rain	40	2	1925	1
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1932	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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Madison Threshold Days by Year (USC00085275)

Key Facts for Madison Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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