Gladwin Threshold Days by Year (USW00014828)

17 fixed thresholds counted per year at Gladwin (USW00014828): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gladwin Thresholds

Gladwin: days with a maximum temperature at or above 30 C (86 F) in 100 years, most in 1988 with 47.
Gladwin: days with a maximum temperature at or below 0 C (32 F) in 100 years, most in 1960 with 84.
Gladwin: nights with a minimum temperature at or below 0 C (32 F) in 100 years, most in 1972 with 189.
Gladwin: nights with a minimum temperature at or below -10 C (14 F) in 100 years, most in 1929 with 75.
17 fixed thresholds have at least one qualifying day at Gladwin.

Days at or above 30 C (86 F)

100 years with a qualifying day

Days per year at Gladwin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 47 in 1988.

Days at or above 30 C (86 F) per year at Gladwin
Year	Days	Decade average
1897	19	24
1898	30	24
1899	23	24
1900	31	26.3
1904	10	26.3
1905	18	26.3
1909	46	26.3
1910	46	46
1926	11	13
1929	15	13
1930	36	30
1931	42	30
1932	22	30
1933	36	30
1934	39	30
1935	20	30
1936	26	30
1937	38	30
1938	22	30
1939	19	30
1940	22	23.4
1942	14	23.4
1943	20	23.4
1944	30	23.4
1945	14	23.4
1946	21	23.4
1947	30	23.4
1948	24	23.4
1949	36	23.4
1950	11	20.4
1951	7	20.4
1952	26	20.4
1953	21	20.4
1954	20	20.4
1955	44	20.4
1956	12	20.4
1957	16	20.4
1958	17	20.4
1959	30	20.4
1960	14	26.2
1961	19	26.2
1962	27	26.2
1963	37	26.2
1964	36	26.2
1965	24	26.2
1966	35	26.2
1967	19	26.2
1968	25	26.2
1969	26	26.2
1970	34	28.9
1971	37	28.9
1972	21	28.9
1973	33	28.9
1974	19	28.9
1975	32	28.9
1978	26	28.9
1981	22	30.9
1983	44	30.9
1984	27	30.9
1985	14	30.9
1986	19	30.9
1987	40	30.9
1988	47	30.9
1989	34	30.9
1990	26	24.3
1991	47	24.3
1992	12	24.3
1993	26	24.3
1994	15	24.3
1995	31	24.3
1996	12	24.3
1997	17	24.3
1998	31	24.3
1999	26	24.3
2000	12	20.6
2001	29	20.6
2002	38	20.6
2003	14	20.6
2004	6	20.6
2005	34	20.6
2006	18	20.6
2007	39	20.6
2008	11	20.6
2009	5	20.6
2010	28	25.3
2011	25	25.3
2012	39	25.3
2013	21	25.3
2014	4	25.3
2015	30	25.3
2016	32	25.3
2018	33	25.3
2019	16	25.3
2020	38	24.3
2021	27	24.3
2022	22	24.3
2023	20	24.3
2024	17	24.3
2025	29	24.3
2026	17	24.3

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

First to last qualifying date each year at Gladwin
Year	First date	Last date
1897	1897-06-14	1897-09-15
1898	1898-06-04	1898-09-29
1899	1899-04-29	1899-09-16
1900	1900-06-02	1900-09-25
1904	1904-06-12	1904-08-21
1905	1905-06-14	1905-09-29
1909	1909-05-29	1909-10-09
1910	1910-06-13	1910-09-07
1926	1926-06-29	1926-08-28
1929	1929-05-29	1929-09-04
1930	1930-05-09	1930-09-20
1931	1931-05-28	1931-09-13
1932	1932-06-06	1932-09-01
1933	1933-06-06	1933-09-09
1934	1934-05-29	1934-08-19
1935	1935-07-04	1935-08-16
1936	1936-07-06	1936-08-23
1937	1937-05-30	1937-09-23
1938	1938-06-16	1938-08-18
1939	1939-05-31	1939-09-16
1940	1940-06-03	1940-09-20
1942	1942-05-30	1942-09-17
1943	1943-06-12	1943-09-01
1944	1944-05-26	1944-08-15
1945	1945-06-23	1945-09-07
1946	1946-06-23	1946-09-19
1947	1947-06-10	1947-10-15
1948	1948-06-01	1948-09-19
1949	1949-05-04	1949-09-04
1950	1950-06-08	1950-08-24
1951	1951-06-18	1951-08-29
1952	1952-05-05	1952-09-13
1953	1953-06-19	1953-09-03
1954	1954-06-10	1954-09-05
1955	1955-05-03	1955-09-19
1956	1956-05-22	1956-08-28
1957	1957-06-16	1957-08-11
1958	1958-06-29	1958-08-30
1959	1959-05-06	1959-09-09
1960	1960-04-23	1960-09-08
1961	1961-06-05	1961-09-11
1962	1962-05-14	1962-09-12
1963	1963-06-02	1963-10-06
1964	1964-05-05	1964-09-10
1965	1965-05-07	1965-09-19
1966	1966-05-26	1966-09-02
1967	1967-06-03	1967-09-18
1968	1968-06-05	1968-09-04
1969	1969-05-28	1969-08-31
1970	1970-04-29	1970-08-26
1971	1971-05-18	1971-10-02
1972	1972-05-18	1972-08-30
1973	1973-06-09	1973-09-27
1974	1974-05-22	1974-08-28
1975	1975-05-19	1975-08-13
1978	1978-05-26	1978-09-21
1981	1981-06-04	1981-08-13
1983	1983-06-12	1983-09-11
1984	1984-06-05	1984-08-30
1985	1985-04-23	1985-09-08
1986	1986-04-28	1986-08-17
1987	1987-05-18	1987-08-16
1988	1988-05-30	1988-08-18
1989	1989-05-25	1989-08-14
1990	1990-04-26	1990-09-02
1991	1991-05-13	1991-08-31
1992	1992-05-12	1992-08-26
1993	1993-05-11	1993-08-28
1994	1994-05-22	1994-09-16
1995	1995-06-17	1995-09-06
1996	1996-05-19	1996-08-23
1997	1997-06-11	1997-08-03
1998	1998-05-16	1998-09-27
1999	1999-05-30	1999-09-06
2000	2000-05-07	2000-09-02
2001	2001-06-14	2001-08-10
2002	2002-04-17	2002-09-12
2003	2003-06-23	2003-08-27
2004	2004-06-09	2004-08-28
2005	2005-06-06	2005-09-14
2006	2006-05-29	2006-08-03
2007	2007-05-24	2007-10-09
2008	2008-06-07	2008-09-03
2009	2009-06-24	2009-08-17
2010	2010-05-25	2010-09-01
2011	2011-05-31	2011-09-03
2012	2012-03-22	2012-09-01
2013	2013-05-02	2013-09-11
2014	2014-06-02	2014-07-23
2015	2015-05-08	2015-09-16
2016	2016-05-25	2016-09-07
2018	2018-05-26	2018-09-18
2019	2019-06-28	2019-09-22
2020	2020-05-26	2020-08-26
2021	2021-05-22	2021-08-30
2022	2022-05-13	2022-08-25
2023	2023-04-16	2023-10-04
2024	2024-06-05	2024-09-17
2025	2025-06-18	2025-10-05
2026	2026-05-19	2026-07-27

Every Fixed Threshold

Fixed thresholds at Gladwin
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	100	47	1988	17
35 C (95 F): Days	58	13	1988	2
40 C (104 F): Days	1	1	1936	1
90 F (32.2 C): Days	97	34	1988	8
100 F (37.8 C): Days	9	4	1936	1
0 C (32 F): Ice days (max	100	84	1960	44
0 C (32 F): Frost days (min	100	189	1972	103
-10 C (14 F): Days with min	100	75	1929	38
-20 C (-4 F): Days with min	96	35	1904	8
-30 C (-22 F): Days with min	15	6	1904	2
20 C (68 F): Tropical nights (min	81	12	1931	6
10 mm (0.39 in): Days with 10 mm or more rain	100	38	1965	22
25 mm (0.98 in): Days with 25 mm or more rain	100	14	1897	3
50 mm (1.97 in): Days with 50 mm or more rain	45	6	1905	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1932	1
10 cm (3.9 in): Days with 10 cm or more snowfall	80	9	1985	1
25 cm (9.8 in): Days with 25 cm or more snowfall	13	2	1971	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 Gladwin 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).

Gladwin Threshold Days by Year (USW00014828)

Key Facts for Gladwin Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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