Dumas Threshold Days by Year (USC00032148)

19 fixed thresholds counted per year at Dumas (USC00032148): 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 101 years, most in 1957 with 61.
Dumas: days with 25 mm (0.98 in) or more of precipitation in 101 years, most in 2009 with 30.
Dumas: days with 50 mm (1.97 in) or more of precipitation in 98 years, most in 1991 with 13.
Dumas: nights with a minimum temperature at or below 0 C (32 F) in 96 years, most in 1960 with 78.
19 fixed thresholds have at least one qualifying day at Dumas.

Days at or above 30 C (86 F)

92 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 154 in 1936.

Days at or above 30 C (86 F) per year at Dumas
Year	Days	Decade average
1916	133	121.8
1917	108	121.8
1918	132	121.8
1919	114	121.8
1920	125	121.8
1921	134	121.8
1922	110	121.8
1923	93	121.8
1924	101	121.8
1925	142	121.8
1926	133	121.8
1927	147	121.8
1928	112	121.8
1929	121	121.8
1930	119	139
1931	138	139
1932	128	139
1933	140	139
1934	144	139
1935	135	139
1936	154	139
1937	142	139
1938	148	139
1939	142	139
1940	109	124.6
1941	150	124.6
1942	136	124.6
1943	131	124.6
1944	130	124.6
1945	117	124.6
1946	115	124.6
1947	120	124.6
1948	111	124.6
1949	127	124.6
1950	97	124.4
1951	126	124.4
1952	130	124.4
1953	130	124.4
1954	136	124.4
1955	138	124.4
1956	135	124.4
1957	108	124.4
1958	110	124.4
1959	134	124.4
1960	127	115.8
1961	107	115.8
1962	134	115.8
1963	140	115.8
1964	116	115.8
1965	96	115.8
1966	114	115.8
1967	112	115.8
1968	105	115.8
1969	107	115.8
1970	123	111.9
1971	108	111.9
1972	131	111.9
1973	96	111.9
1974	95	111.9
1975	109	111.9
1976	90	111.9
1977	139	111.9
1978	122	111.9
1979	106	111.9
1980	131	121.9
1981	111	121.9
1982	131	121.9
1983	110	121.9
1984	111	121.9
1985	123	121.9
1986	136	121.9
1987	140	121.9
1988	121	121.9
1989	105	121.9
1990	112	110
1991	119	110
1992	91	110
1993	108	110
1994	103	110
1996	116	110
1997	99	110
1998	132	110
2004	79	97.2
2005	118	97.2
2007	104	97.2
2008	103	97.2
2009	82	97.2
2010	137	121.2
2011	121	121.2
2012	109	121.2
2014	116	121.2
2015	123	121.2

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
1916	1916-04-18	1916-11-03
1917	1917-04-28	1917-10-18
1918	1918-04-02	1918-10-07
1919	1919-04-23	1919-10-27
1920	1920-04-16	1920-10-22
1921	1921-03-18	1921-10-24
1922	1922-04-13	1922-10-29
1923	1923-05-20	1923-10-14
1924	1924-04-15	1924-10-15
1925	1925-04-12	1925-10-07
1926	1926-04-30	1926-10-19
1927	1927-04-03	1927-11-30
1928	1928-01-11	1928-10-15
1929	1929-03-23	1929-10-19
1930	1930-04-30	1930-10-16
1931	1931-04-13	1931-10-26
1932	1932-02-10	1932-10-24
1933	1933-04-10	1933-10-21
1934	1934-04-03	1934-10-31
1935	1935-02-21	1935-11-10
1936	1936-03-15	1936-11-02
1937	1937-04-17	1937-11-01
1938	1938-03-04	1938-11-17
1939	1939-03-23	1939-11-09
1940	1940-04-01	1940-10-28
1941	1941-04-10	1941-10-23
1942	1942-04-18	1942-11-19
1943	1943-04-09	1943-10-31
1944	1944-05-11	1944-10-30
1945	1945-03-24	1945-09-28
1946	1946-03-31	1946-10-17
1947	1947-05-04	1947-10-21
1948	1948-04-05	1948-10-16
1949	1949-04-24	1949-10-20
1950	1950-04-28	1950-10-31
1951	1951-05-01	1951-10-17
1952	1952-04-29	1952-10-27
1953	1953-04-09	1953-10-22
1954	1954-04-07	1954-10-11
1955	1955-03-12	1955-11-14
1956	1956-04-28	1956-10-18
1957	1957-04-21	1957-09-21
1958	1958-04-04	1958-10-09
1959	1959-04-20	1959-10-10
1960	1960-04-06	1960-10-14
1961	1961-05-14	1961-10-31
1962	1962-04-20	1962-10-15
1963	1963-03-31	1963-10-27
1964	1964-05-16	1964-09-26
1965	1965-04-05	1965-10-18
1966	1966-03-31	1966-10-09
1967	1967-03-11	1967-10-15
1968	1968-04-18	1968-10-14
1969	1969-05-05	1969-10-12
1970	1970-04-30	1970-10-05
1971	1971-05-21	1971-10-03
1972	1972-04-12	1972-10-18
1973	1973-05-09	1973-10-26
1974	1974-03-31	1974-09-20
1975	1975-04-24	1975-10-14
1976	1976-04-23	1976-10-04
1977	1977-04-10	1977-10-02
1978	1978-04-06	1978-10-21
1979	1979-04-19	1979-10-21
1980	1980-04-21	1980-10-10
1981	1981-04-10	1981-10-05
1982	1982-03-18	1982-10-09
1983	1983-05-10	1983-10-03
1984	1984-04-25	1984-10-16
1985	1985-04-03	1985-10-13
1986	1986-03-31	1986-10-04
1987	1987-03-21	1987-09-28
1988	1988-04-06	1988-10-18
1989	1989-03-13	1989-09-10
1990	1990-04-29	1990-10-07
1991	1991-03-25	1991-09-18
1992	1992-05-13	1992-10-26
1993	1993-05-07	1993-09-26
1994	1994-04-10	1994-10-01
1996	1996-04-19	1996-10-28
1997	1997-05-17	1997-10-12
1998	1998-05-07	1998-10-20
2004	2004-05-20	2004-10-19
2005	2005-05-11	2005-10-20
2007	2007-05-06	2007-10-19
2008	2008-05-10	2008-09-30
2009	2009-04-22	2009-10-09
2010	2010-05-04	2010-10-11
2011	2011-04-09	2011-10-17
2012	2012-05-01	2012-09-28
2014	2014-05-04	2014-10-11
2015	2015-04-26	2015-10-16

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	92	154	1936	123
35 C (95 F): Days	92	98	1954	43
40 C (104 F): Days	29	27	1954	1
90 F (32.2 C): Days	92	127	1936	90
100 F (37.8 C): Days	67	61	1954	1
110 F (43.3 C): Days	4	2	1936	1
0 C (32 F): Ice days (max	67	11	1989	2
0 C (32 F): Frost days (min	96	78	1960	47
-10 C (14 F): Days with min	54	11	1963	1
-20 C (-4 F): Days with min	2	1	1930	1
20 C (68 F): Tropical nights (min	96	121	1991	90
25 C (77 F): Days with min	67	12	2011	11
10 mm (0.39 in): Days with 10 mm or more rain	101	61	1957	49
25 mm (0.98 in): Days with 25 mm or more rain	101	30	2009	20
50 mm (1.97 in): Days with 50 mm or more rain	98	13	1991	4
100 mm (3.94 in): Days with 100 mm or more rain	40	2	1927	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1985	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	2	1948	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1968	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

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 (USC00032148)

Key Facts for Dumas Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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