Madison Threshold Days by Year (USC00235183)

6 fixed thresholds counted per year at Madison (USC00235183): 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 52 years, most in 1973 with 52.
Madison: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1981 with 21.
Madison: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1966 with 5.
Madison: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1993 with 4.
6 fixed thresholds have at least one qualifying day at Madison.

Days with 10 mm (0.39 in) or more of precipitation

52 years with a qualifying day

Days per year at Madison with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 52 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Madison
Year	Days	Decade average
1935	42	30.2
1936	23	30.2
1937	22	30.2
1938	30	30.2
1939	34	30.2
1940	21	33.7
1941	39	33.7
1943	33	33.7
1944	34	33.7
1945	41	33.7
1946	38	33.7
1947	35	33.7
1948	26	33.7
1949	36	33.7
1950	20	27.6
1951	37	27.6
1952	30	27.6
1953	21	27.6
1954	33	27.6
1955	21	27.6
1956	18	27.6
1957	30	27.6
1958	34	27.6
1959	32	27.6
1960	28	31.3
1961	43	31.3
1962	22	31.3
1963	24	31.3
1964	31	31.3
1965	35	31.3
1966	24	31.3
1967	36	31.3
1968	29	31.3
1969	41	31.3
1970	32	31.9
1971	27	31.9
1972	26	31.9
1973	52	31.9
1974	36	31.9
1975	25	31.9
1976	21	31.9
1977	32	31.9
1978	35	31.9
1979	33	31.9
1980	23	34.3
1981	43	34.3
1982	37	34.3
1990	33	33
1991	28	33
1992	26	33
1993	45	33
2000	28	28

For each year, a bar from the first to the last day at Madison meeting 10 mm (0.39 in).

First to last qualifying date each year at Madison
Year	First date	Last date
1935	1935-01-08	1935-12-15
1936	1936-01-25	1936-12-30
1937	1937-01-08	1937-11-28
1938	1938-01-24	1938-12-03
1939	1939-02-10	1939-12-24
1940	1940-03-02	1940-12-16
1941	1941-01-01	1941-12-26
1943	1943-03-10	1943-12-28
1944	1944-02-25	1944-12-10
1945	1945-02-21	1945-12-25
1946	1946-01-05	1946-12-12
1947	1947-03-14	1947-12-07
1948	1948-01-01	1948-11-19
1949	1949-01-10	1949-12-26
1950	1950-01-03	1950-11-20
1951	1951-01-02	1951-12-05
1952	1952-02-14	1952-12-20
1953	1953-01-24	1953-12-03
1954	1954-02-16	1954-12-29
1955	1955-01-04	1955-10-28
1956	1956-04-28	1956-12-05
1957	1957-01-22	1957-12-25
1958	1958-01-21	1958-11-28
1959	1959-01-21	1959-12-18
1960	1960-01-13	1960-12-11
1961	1961-02-18	1961-12-19
1962	1962-01-05	1962-11-16
1963	1963-02-25	1963-11-22
1964	1964-01-30	1964-12-03
1965	1965-01-01	1965-12-24
1966	1966-03-11	1966-12-27
1967	1967-01-26	1967-11-02
1968	1968-01-31	1968-12-28
1969	1969-01-15	1969-12-07
1970	1970-03-31	1970-12-16
1971	1971-01-03	1971-12-30
1972	1972-01-02	1972-12-12
1973	1973-01-03	1973-12-31
1974	1974-01-10	1974-12-31
1975	1975-01-19	1975-11-30
1976	1976-02-16	1976-10-30
1977	1977-01-05	1977-12-05
1978	1978-02-13	1978-12-31
1979	1979-01-13	1979-12-24
1980	1980-03-13	1980-12-08
1981	1981-04-11	1981-12-17
1982	1982-01-29	1982-12-27
1990	1990-01-17	1990-12-29
1991	1991-01-26	1991-12-21
1992	1992-02-15	1992-12-16
1993	1993-01-10	1993-12-14
2000	2000-02-18	2000-11-09

Every Fixed Threshold

Fixed thresholds at Madison
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	52	52	1973	28
25 mm (0.98 in): Days with 25 mm or more rain	52	21	1981	10
50 mm (1.97 in): Days with 50 mm or more rain	42	5	1966	1
100 mm (3.94 in): Days with 100 mm or more rain	8	1	1939	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1973	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	4	1993	4

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

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 (USC00235183)

Key Facts for Madison Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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