Dulce Threshold Days by Year (USC00292608)

16 fixed thresholds counted per year at Dulce (USC00292608): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dulce Thresholds

Dulce: days with 10 mm (0.39 in) or more of precipitation in 96 years, most in 1957 with 26.
Dulce: nights with a minimum temperature at or below 0 C (32 F) in 88 years, most in 1951 with 272.
Dulce: nights with a minimum temperature at or below -10 C (14 F) in 88 years, most in 1952 with 122.
Dulce: nights with a minimum temperature at or below -20 C (-4 F) in 88 years, most in 1952 with 61.
16 fixed thresholds have at least one qualifying day at Dulce.

Days at or above 30 C (86 F)

86 years with a qualifying day

Days per year at Dulce with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 92 in 2018.

Days at or above 30 C (86 F) per year at Dulce
Year	Days	Decade average
1907	41	41
1910	60	38.8
1911	13	38.8
1913	35	38.8
1914	34	38.8
1918	42	38.8
1919	49	38.8
1920	17	41.8
1921	27	41.8
1922	65	41.8
1923	30	41.8
1924	83	41.8
1925	44	41.8
1926	47	41.8
1927	30	41.8
1928	33	41.8
1931	65	57.5
1936	51	57.5
1937	68	57.5
1938	46	57.5
1940	50	39.2
1946	38	39.2
1947	40	39.2
1948	40	39.2
1949	28	39.2
1950	58	47
1951	63	47
1952	50	47
1957	21	47
1959	43	47
1961	30	21.8
1962	17	21.8
1963	26	21.8
1965	6	21.8
1966	28	21.8
1967	19	21.8
1968	23	21.8
1969	25	21.8
1970	31	29.9
1971	31	29.9
1972	32	29.9
1973	23	29.9
1974	22	29.9
1975	20	29.9
1976	32	29.9
1977	40	29.9
1978	34	29.9
1979	34	29.9
1980	41	30.4
1981	35	30.4
1983	18	30.4
1984	20	30.4
1985	37	30.4
1987	32	30.4
1988	36	30.4
1989	24	30.4
1990	33	34.9
1991	20	34.9
1992	14	34.9
1993	28	34.9
1994	55	34.9
1995	42	34.9
1996	58	34.9
1997	37	34.9
1998	44	34.9
1999	18	34.9
2000	79	57.2
2001	45	57.2
2002	81	57.2
2003	58	57.2
2005	50	57.2
2006	45	57.2
2007	59	57.2
2008	56	57.2
2009	42	57.2
2010	41	64.4
2011	65	64.4
2012	78	64.4
2013	78	64.4
2014	48	64.4
2015	54	64.4
2016	59	64.4
2017	60	64.4
2018	92	64.4
2019	69	64.4
2020	75	75

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

First to last qualifying date each year at Dulce
Year	First date	Last date
1907	1907-06-28	1907-09-04
1910	1910-05-28	1910-10-08
1911	1911-06-27	1911-08-20
1913	1913-06-15	1913-08-27
1914	1914-06-18	1914-08-20
1918	1918-06-09	1918-08-29
1919	1919-06-17	1919-09-03
1920	1920-05-09	1920-08-10
1921	1921-06-10	1921-08-12
1922	1922-06-08	1922-09-17
1923	1923-06-18	1923-08-01
1924	1924-06-03	1924-09-22
1925	1925-05-18	1925-09-26
1926	1926-06-01	1926-08-29
1927	1927-06-08	1927-08-11
1928	1928-06-23	1928-09-14
1931	1931-06-07	1931-09-06
1936	1936-05-19	1936-09-06
1937	1937-06-12	1937-09-16
1938	1938-06-16	1938-09-16
1940	1940-06-15	1940-09-08
1946	1946-06-05	1946-08-19
1947	1947-05-03	1947-09-02
1948	1948-06-10	1948-09-08
1949	1949-06-16	1949-09-09
1950	1950-06-11	1950-09-03
1951	1951-05-25	1951-09-07
1952	1952-06-15	1952-09-10
1957	1957-06-08	1957-08-02
1959	1959-05-15	1959-09-09
1961	1961-05-10	1961-08-11
1962	1962-06-21	1962-09-05
1963	1963-06-26	1963-08-02
1965	1965-07-04	1965-08-27
1966	1966-06-25	1966-08-15
1967	1967-06-30	1967-08-25
1968	1968-06-17	1968-09-09
1969	1969-07-02	1969-08-23
1970	1970-06-24	1970-08-30
1971	1971-06-15	1971-09-12
1972	1972-05-20	1972-08-13
1973	1973-06-08	1973-09-21
1974	1974-06-13	1974-09-09
1975	1975-06-27	1975-08-09
1976	1976-06-19	1976-09-05
1977	1977-05-31	1977-09-08
1978	1978-06-23	1978-09-27
1979	1979-06-27	1979-09-11
1980	1980-06-17	1980-08-10
1981	1981-06-08	1981-08-25
1983	1983-06-18	1983-08-16
1984	1984-07-02	1984-08-29
1985	1985-06-07	1985-09-01
1987	1987-06-14	1987-08-20
1988	1988-06-17	1988-08-16
1989	1989-06-16	1989-07-22
1990	1990-06-04	1990-09-15
1991	1991-06-20	1991-08-23
1992	1992-06-23	1992-08-21
1993	1993-06-14	1993-08-12
1994	1994-06-12	1994-08-30
1995	1995-06-13	1995-09-06
1996	1996-05-12	1996-08-30
1997	1997-06-01	1997-09-09
1998	1998-06-25	1998-09-08
1999	1999-06-19	1999-08-23
2000	2000-05-23	2000-09-18
2001	2001-06-07	2001-09-12
2002	2002-05-28	2002-09-08
2003	2003-05-24	2003-09-02
2005	2005-05-20	2005-08-31
2006	2006-05-25	2006-08-12
2007	2007-06-15	2007-08-31
2008	2008-05-20	2008-08-30
2009	2009-05-18	2009-09-02
2010	2010-05-28	2010-09-30
2011	2011-06-05	2011-09-03
2012	2012-06-01	2012-09-08
2013	2013-06-04	2013-09-09
2014	2014-05-29	2014-09-22
2015	2015-06-18	2015-09-14
2016	2016-06-04	2016-09-20
2017	2017-06-05	2017-09-06
2018	2018-05-25	2018-09-19
2019	2019-06-25	2019-09-07
2020	2020-05-28	2020-09-08

Every Fixed Threshold

Fixed thresholds at Dulce
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	86	92	2018	75
35 C (95 F): Days	45	16	2003	6
90 F (32.2 C): Days	82	48	2002	41
0 C (32 F): Ice days (max	83	52	1918	2
0 C (32 F): Frost days (min	88	272	1951	217
-10 C (14 F): Days with min	88	122	1952	58
-20 C (-4 F): Days with min	88	61	1952	7
-30 C (-22 F): Days with min	42	17	1931	6
-40 C (-40 F): Days with min	3	1	1924	1
20 C (68 F): Tropical nights (min	1	0	n/a	1
10 mm (0.39 in): Days with 10 mm or more rain	96	26	1957	9
25 mm (0.98 in): Days with 25 mm or more rain	71	6	1985	1
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1923	1
10 cm (3.9 in): Days with 10 cm or more snowfall	85	12	1919	2
25 cm (9.8 in): Days with 25 cm or more snowfall	17	4	1931	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	2	1931	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Dulce 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).

Dulce Threshold Days by Year (USC00292608)

Key Facts for Dulce Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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