Durham Threshold Days by Year (USC00272174)

17 fixed thresholds counted per year at Durham (USC00272174): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Durham Thresholds

Durham: days with a maximum temperature at or above 30 C (86 F) in 124 years, most in 1983 with 60.
Durham: days with a maximum temperature at or above 90 F (32.2 C) in 124 years, most in 2002 with 32.
Durham: days with a maximum temperature at or below 0 C (32 F) in 123 years, most in 1904 with 76.
Durham: nights with a minimum temperature at or below 0 C (32 F) in 120 years, most in 1978 with 189.
17 fixed thresholds have at least one qualifying day at Durham.

Days at or above 30 C (86 F)

124 years with a qualifying day

Days per year at Durham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 1983.

Days at or above 30 C (86 F) per year at Durham
Year	Days	Decade average
1893	24	21
1896	24	21
1897	13	21
1898	19	21
1899	25	21
1900	31	18.7
1901	24	18.7
1902	10	18.7
1903	15	18.7
1904	10	18.7
1905	16	18.7
1906	20	18.7
1907	15	18.7
1908	28	18.7
1909	18	18.7
1910	24	21.7
1911	23	21.7
1912	25	21.7
1913	26	21.7
1914	24	21.7
1916	17	21.7
1917	13	21.7
1918	24	21.7
1919	19	21.7
1920	16	22.4
1921	32	22.4
1922	19	22.4
1924	24	22.4
1925	24	22.4
1926	13	22.4
1927	15	22.4
1928	27	22.4
1929	32	22.4
1930	35	33.3
1931	27	33.3
1932	31	33.3
1933	31	33.3
1934	33	33.3
1935	34	33.3
1936	30	33.3
1937	43	33.3
1938	31	33.3
1939	38	33.3
1940	27	36
1941	58	36
1942	28	36
1943	30	36
1944	38	36
1945	25	36
1946	30	36
1947	39	36
1949	49	36
1950	32	34.5
1951	26	34.5
1952	45	34.5
1953	43	34.5
1954	20	34.5
1955	47	34.5
1956	26	34.5
1957	35	34.5
1958	27	34.5
1959	44	34.5
1960	14	24.7
1961	32	24.7
1962	15	24.7
1963	28	24.7
1964	23	24.7
1965	34	24.7
1966	29	24.7
1967	17	24.7
1968	26	24.7
1969	29	24.7
1970	33	30.4
1971	29	30.4
1972	17	30.4
1973	32	30.4
1974	26	30.4
1975	31	30.4
1976	37	30.4
1977	33	30.4
1978	33	30.4
1979	33	30.4
1980	41	26.9
1981	21	26.9
1982	18	26.9
1983	60	26.9
1984	31	26.9
1985	18	26.9
1986	8	26.9
1987	15	26.9
1988	42	26.9
1989	15	26.9
1990	19	31.6
1991	42	31.6
1992	11	31.6
1993	40	31.6
1994	30	31.6
1995	38	31.6
1996	24	31.6
1997	33	31.6
1998	33	31.6
1999	46	31.6
2000	18	29.5
2001	41	29.5
2002	45	29.5
2003	25	29.5
2004	19	29.5
2007	44	29.5
2008	19	29.5
2009	25	29.5
2012	30	33.4
2013	31	33.4
2014	29	33.4
2015	42	33.4
2016	47	33.4
2017	29	33.4
2018	34	33.4
2019	25	33.4
2020	36	27.3
2021	27	27.3
2022	32	27.3
2023	19	27.3
2024	28	27.3
2026	22	27.3

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

First to last qualifying date each year at Durham
Year	First date	Last date
1893	1893-05-23	1893-08-26
1896	1896-05-09	1896-09-11
1897	1897-06-24	1897-10-16
1898	1898-06-25	1898-09-07
1899	1899-04-30	1899-08-31
1900	1900-05-15	1900-09-12
1901	1901-06-05	1901-09-08
1902	1902-05-23	1902-09-01
1903	1903-05-17	1903-09-15
1904	1904-06-05	1904-09-12
1905	1905-06-10	1905-08-24
1906	1906-05-19	1906-09-19
1907	1907-06-18	1907-08-20
1908	1908-05-26	1908-09-27
1909	1909-06-03	1909-08-20
1910	1910-05-24	1910-10-05
1911	1911-05-12	1911-08-15
1912	1912-05-24	1912-08-25
1913	1913-06-16	1913-09-08
1914	1914-04-19	1914-10-05
1916	1916-07-07	1916-08-23
1917	1917-06-22	1917-08-20
1918	1918-05-06	1918-08-24
1919	1919-05-29	1919-07-28
1920	1920-05-28	1920-09-26
1921	1921-05-21	1921-09-07
1922	1922-06-07	1922-09-30
1924	1924-06-22	1924-09-01
1925	1925-06-03	1925-09-12
1926	1926-05-03	1926-10-05
1927	1927-04-19	1927-10-01
1928	1928-06-13	1928-10-12
1929	1929-05-28	1929-09-07
1930	1930-05-02	1930-10-13
1931	1931-05-20	1931-09-22
1932	1932-05-16	1932-09-12
1933	1933-05-19	1933-09-27
1934	1934-05-05	1934-08-23
1935	1935-04-27	1935-08-21
1936	1936-05-01	1936-09-09
1937	1937-05-30	1937-09-04
1938	1938-04-20	1938-08-23
1939	1939-05-28	1939-10-10
1940	1940-06-03	1940-09-01
1941	1941-04-15	1941-09-23
1942	1942-05-03	1942-09-15
1943	1943-05-17	1943-08-23
1944	1944-05-27	1944-09-02
1945	1945-04-12	1945-09-25
1946	1946-03-29	1946-09-20
1947	1947-05-24	1947-10-17
1949	1949-05-05	1949-09-05
1950	1950-05-06	1950-10-01
1951	1951-05-15	1951-09-13
1952	1952-06-04	1952-09-29
1953	1953-05-10	1953-09-05
1954	1954-04-22	1954-10-01
1955	1955-05-04	1955-09-19
1956	1956-05-31	1956-10-16
1957	1957-04-21	1957-09-16
1958	1958-06-30	1958-09-26
1959	1959-05-12	1959-09-24
1960	1960-06-17	1960-09-08
1961	1961-05-14	1961-09-13
1962	1962-04-27	1962-08-27
1963	1963-06-06	1963-10-07
1964	1964-05-23	1964-09-11
1965	1965-05-09	1965-09-23
1966	1966-06-23	1966-09-02
1967	1967-06-10	1967-08-18
1968	1968-06-06	1968-09-22
1969	1969-05-17	1969-09-02
1970	1970-05-10	1970-09-25
1971	1971-06-07	1971-09-16
1972	1972-05-28	1972-08-26
1973	1973-06-08	1973-09-04
1974	1974-05-17	1974-08-25
1975	1975-05-20	1975-08-14
1976	1976-04-18	1976-09-14
1977	1977-05-17	1977-09-03
1978	1978-05-20	1978-09-22
1979	1979-05-09	1979-10-22
1980	1980-05-22	1980-09-22
1981	1981-05-25	1981-08-12
1982	1982-07-06	1982-09-11
1983	1983-06-12	1983-09-21
1984	1984-05-23	1984-08-30
1985	1985-05-11	1985-09-21
1986	1986-05-19	1986-07-27
1987	1987-05-30	1987-08-19
1988	1988-05-28	1988-08-15
1989	1989-06-22	1989-09-10
1990	1990-04-27	1990-08-27
1991	1991-05-12	1991-09-17
1992	1992-05-21	1992-08-26
1993	1993-05-09	1993-09-16
1994	1994-05-31	1994-08-05
1995	1995-05-24	1995-09-07
1996	1996-05-20	1996-09-06
1997	1997-06-10	1997-08-17
1998	1998-03-31	1998-09-07
1999	1999-05-30	1999-09-09
2000	2000-05-07	2000-09-02
2001	2001-04-24	2001-09-10
2002	2002-04-17	2002-09-22
2003	2003-05-20	2003-08-27
2004	2004-04-19	2004-08-30
2007	2007-04-23	2007-09-27
2008	2008-05-27	2008-09-05
2009	2009-04-25	2009-08-24
2012	2012-05-26	2012-09-08
2013	2013-05-30	2013-09-12
2014	2014-06-08	2014-09-28
2015	2015-05-10	2015-09-18
2016	2016-05-26	2016-09-14
2017	2017-04-11	2017-09-27
2018	2018-05-02	2018-09-06
2019	2019-05-26	2019-09-23
2020	2020-05-22	2020-09-08
2021	2021-05-22	2021-08-27
2022	2022-05-14	2022-08-30
2023	2023-04-13	2023-09-07
2024	2024-05-21	2024-09-17
2026	2026-06-04	2026-08-19

Every Fixed Threshold

Fixed thresholds at Durham
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	124	60	1983	22
35 C (95 F): Days	84	13	1941	2
90 F (32.2 C): Days	124	32	2002	7
100 F (37.8 C): Days	10	5	1911	1
0 C (32 F): Ice days (max	123	76	1904	25
0 C (32 F): Frost days (min	120	189	1978	139
-10 C (14 F): Days with min	120	85	1904	18
-20 C (-4 F): Days with min	116	20	1968	2
-30 C (-22 F): Days with min	16	4	1935	1
20 C (68 F): Tropical nights (min	114	20	1918	7
25 C (77 F): Days with min	4	3	1900	1
10 mm (0.39 in): Days with 10 mm or more rain	98	55	2008	4
25 mm (0.98 in): Days with 25 mm or more rain	98	20	1902	2
50 mm (1.97 in): Days with 50 mm or more rain	79	6	1900	2
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1954	1
10 cm (3.9 in): Days with 10 cm or more snowfall	71	15	1956	3
25 cm (9.8 in): Days with 25 cm or more snowfall	35	3	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Durham 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Durham Threshold Days by Year (USC00272174)

Key Facts for Durham Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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