Dupree Threshold Days by Year (USC00392429)

20 fixed thresholds counted per year at Dupree (USC00392429): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dupree Thresholds

Dupree: nights with a minimum temperature at or below 0 C (32 F) in 100 years, most in 1970 with 192.
Dupree: nights with a minimum temperature at or below -10 C (14 F) in 100 years, most in 1978 with 102.
Dupree: nights with a minimum temperature at or below -20 C (-4 F) in 100 years, most in 1936 with 46.
Dupree: days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 2019 with 29.
20 fixed thresholds have at least one qualifying day at Dupree.

Days at or above 30 C (86 F)

97 years with a qualifying day

Days per year at Dupree with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1936.

Days at or above 30 C (86 F) per year at Dupree
Year	Days	Decade average
1923	35	43.1
1924	28	43.1
1925	55	43.1
1926	52	43.1
1927	36	43.1
1928	33	43.1
1929	63	43.1
1930	59	75.7
1931	82	75.7
1932	55	75.7
1933	77	75.7
1934	89	75.7
1935	69	75.7
1936	99	75.7
1937	69	75.7
1938	73	75.7
1939	85	75.7
1940	71	54.3
1941	65	54.3
1942	33	54.3
1943	63	54.3
1944	36	54.3
1945	49	54.3
1946	49	54.3
1947	55	54.3
1948	53	54.3
1949	69	54.3
1950	35	54.2
1951	28	54.2
1952	65	54.2
1953	44	54.2
1954	55	54.2
1955	75	54.2
1956	57	54.2
1957	44	54.2
1958	60	54.2
1959	79	54.2
1960	65	55.1
1961	74	55.1
1962	35	55.1
1963	66	55.1
1964	50	55.1
1965	37	55.1
1966	69	55.1
1967	55	55.1
1968	41	55.1
1969	59	55.1
1970	80	63.6
1971	63	63.6
1972	47	63.6
1973	61	63.6
1974	63	63.6
1975	62	63.6
1976	85	63.6
1977	59	63.6
1978	62	63.6
1979	54	63.6
1980	79	61.7
1981	52	61.7
1982	49	61.7
1984	56	61.7
1985	62	61.7
1986	46	61.7
1987	58	61.7
1988	79	61.7
1989	74	61.7
1990	62	46
1991	48	46
1992	27	46
1995	44	46
1997	39	46
1998	62	46
1999	40	46
2000	57	58.4
2001	60	58.4
2002	74	58.4
2003	66	58.4
2004	40	58.4
2005	62	58.4
2006	74	58.4
2007	71	58.4
2009	22	58.4
2010	43	68.2
2011	57	68.2
2012	71	68.2
2013	74	68.2
2014	50	68.2
2015	75	68.2
2016	91	68.2
2017	81	68.2
2018	86	68.2
2019	54	68.2
2020	80	80.6
2021	95	80.6
2022	84	80.6
2023	73	80.6
2024	71	80.6

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

First to last qualifying date each year at Dupree
Year	First date	Last date
1923	1923-04-18	1923-09-21
1924	1924-07-05	1924-09-30
1925	1925-05-19	1925-09-25
1926	1926-04-15	1926-09-29
1927	1927-06-23	1927-10-21
1928	1928-05-07	1928-09-07
1929	1929-05-24	1929-09-21
1930	1930-05-01	1930-09-22
1931	1931-05-14	1931-09-30
1932	1932-05-13	1932-09-30
1933	1933-05-31	1933-09-29
1934	1934-04-29	1934-10-12
1935	1935-06-13	1935-09-23
1936	1936-04-19	1936-09-23
1937	1937-05-27	1937-10-03
1938	1938-04-30	1938-10-03
1939	1939-04-30	1939-09-22
1940	1940-05-11	1940-09-22
1941	1941-05-12	1941-09-19
1942	1942-04-14	1942-10-10
1943	1943-05-27	1943-10-11
1944	1944-05-13	1944-09-16
1945	1945-06-21	1945-10-03
1946	1946-06-06	1946-10-02
1947	1947-07-02	1947-10-21
1948	1948-05-18	1948-09-19
1949	1949-05-28	1949-10-05
1950	1950-06-05	1950-09-07
1951	1951-05-14	1951-10-01
1952	1952-04-26	1952-09-28
1953	1953-06-12	1953-10-02
1954	1954-05-20	1954-10-08
1955	1955-05-01	1955-10-10
1956	1956-05-23	1956-10-12
1957	1957-06-29	1957-10-02
1958	1958-05-11	1958-10-13
1959	1959-04-30	1959-09-14
1960	1960-05-12	1960-10-08
1961	1961-05-30	1961-09-18
1962	1962-04-24	1962-10-14
1963	1963-06-13	1963-10-05
1964	1964-05-20	1964-09-05
1965	1965-07-04	1965-10-15
1966	1966-05-04	1966-09-12
1967	1967-05-22	1967-10-01
1968	1968-04-30	1968-09-15
1969	1969-05-14	1969-09-21
1970	1970-05-07	1970-10-05
1971	1971-06-18	1971-09-14
1972	1972-05-16	1972-09-20
1973	1973-05-20	1973-10-07
1974	1974-06-03	1974-09-27
1975	1975-05-16	1975-10-07
1976	1976-05-11	1976-09-30
1977	1977-04-09	1977-09-16
1978	1978-05-24	1978-09-26
1979	1979-05-16	1979-09-30
1980	1980-04-20	1980-10-09
1981	1981-05-02	1981-09-18
1982	1982-05-03	1982-09-11
1984	1984-05-16	1984-09-21
1985	1985-05-03	1985-09-15
1986	1986-05-04	1986-08-30
1987	1987-04-18	1987-09-24
1988	1988-05-17	1988-09-11
1989	1989-04-22	1989-10-01
1990	1990-04-22	1990-10-06
1991	1991-06-11	1991-10-17
1992	1992-04-30	1992-10-02
1995	1995-06-13	1995-09-28
1997	1997-05-17	1997-10-02
1998	1998-05-17	1998-09-19
1999	1999-05-29	1999-09-06
2000	2000-05-05	2000-09-18
2001	2001-04-28	2001-09-06
2002	2002-05-28	2002-09-17
2003	2003-04-12	2003-10-09
2004	2004-05-08	2004-09-19
2005	2005-06-18	2005-10-02
2006	2006-05-18	2006-09-14
2007	2007-05-13	2007-10-01
2009	2009-04-23	2009-09-18
2010	2010-05-29	2010-10-08
2011	2011-06-06	2011-10-06
2012	2012-04-01	2012-09-11
2013	2013-05-13	2013-10-01
2014	2014-05-28	2014-09-28
2015	2015-05-02	2015-10-11
2016	2016-05-05	2016-10-02
2017	2017-05-05	2017-09-22
2018	2018-05-07	2018-09-13
2019	2019-04-20	2019-09-20
2020	2020-06-01	2020-09-24
2021	2021-05-01	2021-10-06
2022	2022-05-29	2022-09-30
2023	2023-04-11	2023-10-02
2024	2024-04-13	2024-10-09

Every Fixed Threshold

Fixed thresholds at Dupree
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	97	99	1936	71
35 C (95 F): Days	95	59	1936	28
40 C (104 F): Days	62	29	1936	3
45 C (113 F): Days	2	2	1936	1
90 F (32.2 C): Days	97	81	1936	51
100 F (37.8 C): Days	89	40	1936	11
110 F (43.3 C): Days	9	7	1936	1
0 C (32 F): Ice days (max	98	103	1978	37
0 C (32 F): Frost days (min	100	192	1970	76
-10 C (14 F): Days with min	100	102	1978	40
-20 C (-4 F): Days with min	100	46	1936	19
-30 C (-22 F): Days with min	71	14	1936	2
20 C (68 F): Tropical nights (min	94	27	1936	6
25 C (77 F): Days with min	12	8	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	99	29	2019	17
25 mm (0.98 in): Days with 25 mm or more rain	91	7	1941	3
50 mm (1.97 in): Days with 50 mm or more rain	35	2	1937	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1933	1
10 cm (3.9 in): Days with 10 cm or more snowfall	79	12	2019	1
25 cm (9.8 in): Days with 25 cm or more snowfall	11	2	2001	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

Data for Dupree 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).

Dupree Threshold Days by Year (USC00392429)

Key Facts for Dupree Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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