Dumas Threshold Days by Year (USC00412617)

17 fixed thresholds counted per year at Dumas (USC00412617): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dumas Thresholds

Dumas: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1960 with 25.
Dumas: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1958 with 9.
Dumas: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 2022 with 131.
Dumas: days with a maximum temperature at or above 35 C (95 F) in 59 years, most in 2000 with 70.
17 fixed thresholds have at least one qualifying day at Dumas.

Days at or above 30 C (86 F)

59 years with a qualifying day

Days per year at Dumas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 131 in 2022.

Days at or above 30 C (86 F) per year at Dumas
Year	Days	Decade average
1943	111	95
1945	88	95
1946	86	95
1958	98	103
1959	108	103
1960	87	98.2
1961	91	98.2
1962	107	98.2
1963	128	98.2
1964	112	98.2
1965	92	98.2
1966	94	98.2
1967	88	98.2
1968	89	98.2
1969	94	98.2
1970	103	96.1
1971	96	96.1
1972	94	96.1
1973	88	96.1
1974	90	96.1
1975	96	96.1
1976	81	96.1
1977	105	96.1
1978	100	96.1
1979	108	96.1
1980	114	91.5
1981	94	91.5
1982	88	91.5
1983	101	91.5
1984	99	91.5
1985	98	91.5
1986	83	91.5
1987	76	91.5
1988	74	91.5
1989	88	91.5
1990	94	87.3
1991	82	87.3
1992	65	87.3
1993	91	87.3
1994	93	87.3
1995	84	87.3
1996	70	87.3
1997	92	87.3
1998	116	87.3
1999	86	87.3
2000	127	97.4
2003	96	97.4
2004	84	97.4
2005	92	97.4
2006	102	97.4
2007	92	97.4
2008	89	97.4
2013	99	109.8
2014	102	109.8
2015	103	109.8
2016	115	109.8
2018	130	109.8
2020	123	127
2022	131	127

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

First to last qualifying date each year at Dumas
Year	First date	Last date
1943	1943-03-24	1943-10-28
1945	1945-05-07	1945-09-21
1946	1946-03-29	1946-09-10
1958	1958-05-22	1958-10-20
1959	1959-04-25	1959-10-26
1960	1960-04-20	1960-09-22
1961	1961-04-19	1961-10-23
1962	1962-04-17	1962-10-15
1963	1963-02-02	1963-10-11
1964	1964-04-16	1964-10-17
1965	1965-04-21	1965-10-16
1966	1966-04-01	1966-10-14
1967	1967-03-30	1967-10-15
1968	1968-05-02	1968-10-31
1969	1969-05-02	1969-10-10
1970	1970-05-08	1970-10-07
1971	1971-03-28	1971-09-29
1972	1972-03-11	1972-10-18
1973	1973-05-11	1973-10-24
1974	1974-04-26	1974-10-05
1975	1975-04-17	1975-10-22
1976	1976-05-12	1976-10-12
1977	1977-05-07	1977-10-20
1978	1978-04-01	1978-09-30
1979	1979-04-16	1979-10-27
1980	1980-04-21	1980-11-09
1981	1981-04-12	1981-10-01
1982	1982-04-13	1982-10-06
1983	1983-04-26	1983-09-28
1984	1984-05-10	1984-10-03
1985	1985-05-05	1985-09-28
1986	1986-04-24	1986-09-23
1987	1987-04-18	1987-10-09
1988	1988-05-14	1988-10-18
1989	1989-03-10	1989-10-16
1990	1990-04-17	1990-09-28
1991	1991-05-13	1991-10-18
1992	1992-04-11	1992-10-14
1993	1993-05-15	1993-10-07
1994	1994-04-19	1994-10-01
1995	1995-03-22	1995-10-05
1996	1996-04-18	1996-10-14
1997	1997-05-18	1997-10-10
1998	1998-04-26	1998-10-16
1999	1999-04-21	1999-10-13
2000	2000-04-06	2000-10-05
2003	2003-04-14	2003-10-24
2004	2004-03-20	2004-09-19
2005	2005-06-03	2005-10-19
2006	2006-04-10	2006-10-04
2007	2007-05-15	2007-10-21
2008	2008-04-16	2008-10-11
2013	2013-04-29	2013-10-03
2014	2014-04-13	2014-10-27
2015	2015-04-02	2015-10-15
2016	2016-05-06	2016-10-30
2018	2018-03-24	2018-10-06
2020	2020-04-30	2020-10-23
2022	2022-04-06	2022-10-02

Every Fixed Threshold

Fixed thresholds at Dumas
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	59	131	2022	131
35 C (95 F): Days	59	70	2000	64
40 C (104 F): Days	27	7	1980	5
90 F (32.2 C): Days	59	108	2000	106
100 F (37.8 C): Days	56	31	1980	22
0 C (32 F): Ice days (max	59	32	1978	11
0 C (32 F): Frost days (min	47	150	1959	111
-10 C (14 F): Days with min	47	42	1978	18
-20 C (-4 F): Days with min	16	6	1989	2
20 C (68 F): Tropical nights (min	47	52	2022	52
25 C (77 F): Days with min	2	1	1978	1
10 mm (0.39 in): Days with 10 mm or more rain	67	25	1960	11
25 mm (0.98 in): Days with 25 mm or more rain	65	9	1958	5
50 mm (1.97 in): Days with 50 mm or more rain	42	3	1965	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1971	1
10 cm (3.9 in): Days with 10 cm or more snowfall	33	4	1958	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1943	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

Data for Dumas 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).

Dumas Threshold Days by Year (USC00412617)

Key Facts for Dumas Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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