Ludington 4 SE Threshold Days by Year (USC00204954)

17 fixed thresholds counted per year at Ludington 4 SE (USC00204954): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ludington 4 SE Thresholds

Ludington 4 SE: days with a maximum temperature at or below 0 C (32 F) in 81 years, most in 1976 with 73.
Ludington 4 SE: nights with a minimum temperature at or below 0 C (32 F) in 80 years, most in 1996 with 181.
Ludington 4 SE: nights with a minimum temperature at or below -10 C (14 F) in 80 years, most in 1963 with 62.
Ludington 4 SE: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 1988 with 49.
17 fixed thresholds have at least one qualifying day at Ludington 4 SE.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Ludington 4 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 49 in 1988.

Days at or above 30 C (86 F) per year at Ludington 4 SE
Year	Days	Decade average
1897	20	9
1898	3	9
1899	4	9
1900	10	10.4
1901	26	10.4
1902	3	10.4
1903	5	10.4
1906	8	10.4
1911	12	12
1936	13	5.7
1937	3	5.7
1939	1	5.7
1940	4	12.3
1942	8	12.3
1943	10	12.3
1944	22	12.3
1945	5	12.3
1946	12	12.3
1947	21	12.3
1948	12	12.3
1949	17	12.3
1950	1	11.5
1951	3	11.5
1952	19	11.5
1953	23	11.5
1954	6	11.5
1955	29	11.5
1956	8	11.5
1957	8	11.5
1958	5	11.5
1959	13	11.5
1960	4	8.4
1961	7	8.4
1962	9	8.4
1963	8	8.4
1964	20	8.4
1965	3	8.4
1966	14	8.4
1967	2	8.4
1968	12	8.4
1969	5	8.4
1972	10	10.1
1973	11	10.1
1974	6	10.1
1975	14	10.1
1976	12	10.1
1977	12	10.1
1978	9	10.1
1979	7	10.1
1980	9	17.1
1981	8	17.1
1982	6	17.1
1983	20	17.1
1985	6	17.1
1986	7	17.1
1987	27	17.1
1988	49	17.1
1989	22	17.1
1990	9	14.2
1991	33	14.2
1992	5	14.2
1993	11	14.2
1994	9	14.2
1996	4	14.2
1997	10	14.2
1998	17	14.2
1999	30	14.2
2000	7	18
2001	28	18
2002	30	18
2003	25	18
2004	10	18
2005	48	18
2006	18	18
2007	12	18
2008	1	18
2009	1	18
2010	6	6

For each year, a bar from the first to the last day at Ludington 4 SE meeting 30 C (86 F).

First to last qualifying date each year at Ludington 4 SE
Year	First date	Last date
1897	1897-06-13	1897-09-14
1898	1898-07-01	1898-07-24
1899	1899-07-24	1899-08-28
1900	1900-08-08	1900-09-11
1901	1901-06-15	1901-09-02
1902	1902-08-30	1902-09-02
1903	1903-07-04	1903-07-26
1906	1906-06-28	1906-09-19
1911	1911-06-23	1911-08-07
1936	1936-07-06	1936-08-22
1937	1937-07-09	1937-08-10
1939	1939-07-27	1939-07-27
1940	1940-07-24	1940-08-15
1942	1942-06-10	1942-08-31
1943	1943-06-24	1943-08-22
1944	1944-06-04	1944-08-15
1945	1945-07-20	1945-09-07
1946	1946-06-28	1946-08-03
1947	1947-08-04	1947-09-09
1948	1948-06-03	1948-09-05
1949	1949-06-01	1949-08-26
1950	1950-07-11	1950-07-11
1951	1951-05-02	1951-08-30
1952	1952-06-16	1952-09-13
1953	1953-06-19	1953-09-03
1954	1954-06-13	1954-09-06
1955	1955-07-02	1955-08-22
1956	1956-06-11	1956-06-30
1957	1957-06-17	1957-08-02
1958	1958-07-03	1958-08-30
1959	1959-06-08	1959-09-09
1960	1960-08-19	1960-09-07
1961	1961-06-29	1961-09-10
1962	1962-05-17	1962-08-29
1963	1963-06-25	1963-07-27
1964	1964-06-27	1964-08-04
1965	1965-06-27	1965-08-07
1966	1966-06-23	1966-08-31
1967	1967-06-12	1967-07-11
1968	1968-06-07	1968-08-24
1969	1969-06-13	1969-08-31
1972	1972-05-25	1972-08-18
1973	1973-07-09	1973-09-03
1974	1974-07-03	1974-07-21
1975	1975-06-20	1975-08-02
1976	1976-06-13	1976-08-28
1977	1977-05-25	1977-08-27
1978	1978-06-11	1978-09-10
1979	1979-07-12	1979-08-07
1980	1980-05-23	1980-08-05
1981	1981-07-06	1981-08-26
1982	1982-05-14	1982-07-17
1983	1983-06-14	1983-08-19
1985	1985-06-26	1985-09-07
1986	1986-07-05	1986-07-25
1987	1987-05-28	1987-08-04
1988	1988-05-30	1988-08-18
1989	1989-05-24	1989-08-04
1990	1990-07-03	1990-08-28
1991	1991-05-12	1991-09-10
1992	1992-06-14	1992-08-26
1993	1993-05-09	1993-08-27
1994	1994-06-14	1994-08-26
1996	1996-08-05	1996-09-05
1997	1997-06-23	1997-07-28
1998	1998-05-15	1998-09-19
1999	1999-06-05	1999-09-06
2000	2000-06-10	2000-09-01
2001	2001-06-13	2001-08-10
2002	2002-06-10	2002-09-10
2003	2003-06-23	2003-09-12
2004	2004-06-08	2004-09-13
2005	2005-06-05	2005-09-14
2006	2006-05-27	2006-08-03
2007	2007-05-31	2007-09-05
2008	2008-07-16	2008-07-16
2009	2009-06-24	2009-06-24
2010	2010-07-04	2010-08-31

Every Fixed Threshold

Fixed thresholds at Ludington 4 SE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	49	1988	6
35 C (95 F): Days	9	12	1988	4
90 F (32.2 C): Days	47	31	1988	1
0 C (32 F): Ice days (max	81	73	1976	57
0 C (32 F): Frost days (min	80	181	1996	151
-10 C (14 F): Days with min	80	62	1963	31
-20 C (-4 F): Days with min	46	13	1899	1
-30 C (-22 F): Days with min	1	3	1899	3
20 C (68 F): Tropical nights (min	75	22	1937	6
25 C (77 F): Days with min	8	4	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	74	40	2006	23
25 mm (0.98 in): Days with 25 mm or more rain	74	12	2004	7
50 mm (1.97 in): Days with 50 mm or more rain	39	5	2005	1
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1965	1
10 cm (3.9 in): Days with 10 cm or more snowfall	63	19	1985	5
25 cm (9.8 in): Days with 25 cm or more snowfall	20	4	1985	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Ludington 4 SE 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).

Ludington 4 SE Threshold Days by Year (USC00204954)

Key Facts for Ludington 4 SE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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