Harbor Beach 1 SSE Threshold Days by Year (USC00203585)

17 fixed thresholds counted per year at Harbor Beach 1 SSE (USC00203585): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harbor Beach 1 SSE Thresholds

Harbor Beach 1 SSE: days with a maximum temperature at or above 30 C (86 F) in 121 years, most in 1955 with 36.
Harbor Beach 1 SSE: days with a maximum temperature at or below 0 C (32 F) in 121 years, most in 1904 with 94.
Harbor Beach 1 SSE: nights with a minimum temperature at or below 0 C (32 F) in 120 years, most in 1937 with 171.
Harbor Beach 1 SSE: nights with a minimum temperature at or below -10 C (14 F) in 120 years, most in 1912 with 68.
17 fixed thresholds have at least one qualifying day at Harbor Beach 1 SSE.

Days at or above 30 C (86 F)

121 years with a qualifying day

Days per year at Harbor Beach 1 SSE 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 Harbor Beach 1 SSE
Year	Days	Decade average
1900	24	15.1
1901	20	15.1
1902	7	15.1
1903	10	15.1
1904	7	15.1
1905	12	15.1
1906	14	15.1
1908	29	15.1
1909	13	15.1
1910	8	14.9
1911	22	14.9
1912	10	14.9
1913	22	14.9
1914	19	14.9
1915	7	14.9
1918	15	14.9
1919	16	14.9
1920	5	14.1
1921	32	14.1
1922	11	14.1
1923	18	14.1
1924	7	14.1
1925	19	14.1
1926	10	14.1
1927	10	14.1
1928	10	14.1
1929	19	14.1
1930	24	20.6
1931	29	20.6
1932	13	20.6
1933	25	20.6
1934	13	20.6
1935	8	20.6
1936	28	20.6
1937	24	20.6
1938	22	20.6
1939	20	20.6
1940	22	21
1941	27	21
1942	12	21
1943	11	21
1944	28	21
1945	10	21
1948	25	21
1949	33	21
1950	9	16.7
1951	8	16.7
1952	22	16.7
1953	22	16.7
1954	16	16.7
1955	36	16.7
1956	7	16.7
1957	13	16.7
1958	11	16.7
1959	23	16.7
1960	8	13.2
1961	8	13.2
1962	11	13.2
1963	7	13.2
1964	21	13.2
1965	12	13.2
1966	24	13.2
1967	5	13.2
1968	15	13.2
1969	21	13.2
1970	13	12.5
1971	15	12.5
1972	8	12.5
1973	18	12.5
1974	10	12.5
1975	13	12.5
1976	12	12.5
1977	11	12.5
1978	17	12.5
1979	8	12.5
1980	12	16.1
1981	10	16.1
1982	9	16.1
1983	26	16.1
1984	13	16.1
1985	10	16.1
1986	11	16.1
1987	34	16.1
1988	31	16.1
1989	5	16.1
1990	7	9.6
1991	16	9.6
1992	4	9.6
1993	7	9.6
1994	4	9.6
1995	13	9.6
1996	6	9.6
1997	7	9.6
1998	18	9.6
1999	14	9.6
2000	3	8.1
2001	12	8.1
2002	24	8.1
2003	5	8.1
2004	5	8.1
2005	9	8.1
2006	10	8.1
2007	9	8.1
2008	3	8.1
2009	1	8.1
2010	7	9.6
2012	15	9.6
2013	12	9.6
2014	5	9.6
2015	4	9.6
2016	18	9.6
2017	4	9.6
2018	14	9.6
2019	7	9.6
2020	12	10.1
2021	11	10.1
2022	14	10.1
2023	3	10.1
2024	6	10.1
2025	16	10.1
2026	9	10.1

For each year, a bar from the first to the last day at Harbor Beach 1 SSE meeting 30 C (86 F).

First to last qualifying date each year at Harbor Beach 1 SSE
Year	First date	Last date
1900	1900-06-24	1900-10-06
1901	1901-06-05	1901-09-07
1902	1902-05-22	1902-07-26
1903	1903-05-18	1903-07-26
1904	1904-06-24	1904-09-11
1905	1905-06-25	1905-09-19
1906	1906-06-28	1906-09-12
1908	1908-06-08	1908-09-26
1909	1909-06-21	1909-09-14
1910	1910-06-22	1910-08-13
1911	1911-05-18	1911-09-02
1912	1912-06-25	1912-09-10
1913	1913-05-02	1913-09-07
1914	1914-05-20	1914-09-22
1915	1915-04-24	1915-09-16
1918	1918-05-31	1918-08-25
1919	1919-05-30	1919-10-02
1920	1920-06-12	1920-09-22
1921	1921-05-21	1921-09-29
1922	1922-05-31	1922-09-05
1923	1923-06-01	1923-08-14
1924	1924-07-21	1924-08-31
1925	1925-05-31	1925-08-31
1926	1926-05-06	1926-08-28
1927	1927-06-29	1927-09-15
1928	1928-07-04	1928-09-10
1929	1929-05-30	1929-09-05
1930	1930-06-03	1930-09-02
1931	1931-05-28	1931-09-21
1932	1932-05-15	1932-09-01
1933	1933-06-08	1933-09-09
1934	1934-06-01	1934-07-25
1935	1935-07-04	1935-08-18
1936	1936-05-06	1936-09-23
1937	1937-05-31	1937-09-23
1938	1938-06-22	1938-08-19
1939	1939-05-31	1939-09-16
1940	1940-06-03	1940-09-20
1941	1941-05-28	1941-09-22
1942	1942-06-11	1942-09-17
1943	1943-06-03	1943-09-01
1944	1944-05-26	1944-08-21
1945	1945-06-23	1945-09-07
1948	1948-06-04	1948-09-18
1949	1949-05-04	1949-09-04
1950	1950-06-08	1950-08-24
1951	1951-06-18	1951-10-04
1952	1952-06-06	1952-09-14
1953	1953-06-19	1953-10-03
1954	1954-06-12	1954-09-02
1955	1955-05-03	1955-09-19
1956	1956-06-11	1956-08-31
1957	1957-06-16	1957-09-02
1958	1958-07-01	1958-08-29
1959	1959-05-28	1959-09-09
1960	1960-07-22	1960-09-08
1961	1961-06-12	1961-09-03
1962	1962-05-15	1962-08-30
1963	1963-06-08	1963-07-28
1964	1964-05-22	1964-09-03
1965	1965-05-08	1965-09-19
1966	1966-06-04	1966-07-31
1967	1967-06-12	1967-07-23
1968	1968-06-05	1968-08-24
1969	1969-05-28	1969-09-14
1970	1970-06-17	1970-09-21
1971	1971-05-18	1971-09-08
1972	1972-06-14	1972-08-21
1973	1973-06-10	1973-09-04
1974	1974-07-03	1974-08-22
1975	1975-05-19	1975-08-09
1976	1976-06-10	1976-09-08
1977	1977-05-21	1977-08-28
1978	1978-07-06	1978-09-20
1979	1979-05-08	1979-08-03
1980	1980-06-26	1980-08-27
1981	1981-06-06	1981-08-05
1982	1982-05-06	1982-09-11
1983	1983-06-12	1983-09-10
1984	1984-06-06	1984-08-27
1985	1985-05-10	1985-09-03
1986	1986-05-29	1986-08-15
1987	1987-05-11	1987-08-17
1988	1988-05-27	1988-08-17
1989	1989-07-10	1989-08-05
1990	1990-04-25	1990-07-17
1991	1991-05-16	1991-09-15
1992	1992-05-17	1992-08-10
1993	1993-07-04	1993-08-27
1994	1994-06-15	1994-07-20
1995	1995-06-17	1995-09-06
1996	1996-05-19	1996-08-22
1997	1997-06-24	1997-08-16
1998	1998-05-18	1998-09-26
1999	1999-06-06	1999-09-12
2000	2000-05-07	2000-06-11
2001	2001-06-30	2001-09-08
2002	2002-04-17	2002-09-11
2003	2003-06-25	2003-08-22
2004	2004-06-09	2004-08-28
2005	2005-06-25	2005-09-14
2006	2006-05-29	2006-08-03
2007	2007-05-25	2007-10-09
2008	2008-06-08	2008-08-24
2009	2009-08-10	2009-08-10
2010	2010-07-05	2010-09-02
2012	2012-05-29	2012-09-01
2013	2013-06-24	2013-09-12
2014	2014-06-03	2014-09-06
2015	2015-08-17	2015-09-08
2016	2016-06-12	2016-09-07
2017	2017-05-18	2017-07-07
2018	2018-05-26	2018-09-06
2019	2019-07-14	2019-08-19
2020	2020-06-03	2020-08-25
2021	2021-05-26	2021-09-15
2022	2022-05-31	2022-09-03
2023	2023-07-11	2023-09-05
2024	2024-06-14	2024-08-28
2025	2025-06-04	2025-08-12
2026	2026-05-27	2026-10-13

Every Fixed Threshold

Fixed thresholds at Harbor Beach 1 SSE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	121	36	1955	9
35 C (95 F): Days	55	10	1936	1
40 C (104 F): Days	1	2	1936	2
90 F (32.2 C): Days	107	22	1987	4
100 F (37.8 C): Days	8	3	1936	1
0 C (32 F): Ice days (max	121	94	1904	47
0 C (32 F): Frost days (min	120	171	1937	93
-10 C (14 F): Days with min	120	68	1912	37
-20 C (-4 F): Days with min	92	25	1912	2
20 C (68 F): Tropical nights (min	109	18	1988	7
25 C (77 F): Days with min	7	3	1933	1
10 mm (0.39 in): Days with 10 mm or more rain	108	40	1985	19
25 mm (0.98 in): Days with 25 mm or more rain	107	14	1912	6
50 mm (1.97 in): Days with 50 mm or more rain	35	3	2010	1
100 mm (3.94 in): Days with 100 mm or more rain	4	2	2018	2
10 cm (3.9 in): Days with 10 cm or more snowfall	63	12	1966	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Harbor Beach 1 SSE 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Harbor Beach 1 SSE Threshold Days by Year (USC00203585)

Key Facts for Harbor Beach 1 SSE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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