Ellensburg Threshold Days by Year (USC00452505)

19 fixed thresholds counted per year at Ellensburg (USC00452505): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ellensburg Thresholds

Ellensburg: days with a maximum temperature at or above 30 C (86 F) in 115 years, most in 1922 with 69.
Ellensburg: days with a maximum temperature at or above 90 F (32.2 C) in 115 years, most in 1958 with 42.
Ellensburg: days with a maximum temperature at or below 0 C (32 F) in 114 years, most in 1985 with 77.
Ellensburg: nights with a minimum temperature at or below 0 C (32 F) in 113 years, most in 1913 with 198.
19 fixed thresholds have at least one qualifying day at Ellensburg.

Days at or above 30 C (86 F)

115 years with a qualifying day

Days per year at Ellensburg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 69 in 1922.

Days at or above 30 C (86 F) per year at Ellensburg
Year	Days	Decade average
1894	28	16
1895	4	16
1896	18	16
1897	7	16
1898	26	16
1899	13	16
1900	22	28.5
1901	16	28.5
1902	16	28.5
1903	22	28.5
1904	26	28.5
1905	27	28.5
1906	51	28.5
1907	29	28.5
1908	43	28.5
1909	33	28.5
1910	36	38.3
1911	34	38.3
1912	35	38.3
1913	34	38.3
1914	35	38.3
1915	49	38.3
1916	27	38.3
1917	39	38.3
1918	46	38.3
1919	48	38.3
1920	51	52
1921	41	52
1922	69	52
1923	61	52
1924	56	52
1925	61	52
1926	45	52
1927	39	52
1928	54	52
1929	43	52
1930	34	40.7
1931	44	40.7
1932	40	40.7
1933	35	40.7
1934	56	40.7
1935	41	40.7
1936	34	40.7
1937	40	40.7
1939	42	40.7
1940	42	42
1954	14	31
1955	32	31
1956	34	31
1957	20	31
1958	63	31
1959	23	31
1960	36	38.2
1961	58	38.2
1962	32	38.2
1963	40	38.2
1964	22	38.2
1965	31	38.2
1966	25	38.2
1967	62	38.2
1968	32	38.2
1969	44	38.2
1970	56	41.2
1971	48	41.2
1972	44	41.2
1974	47	41.2
1975	28	41.2
1976	24	41.2
1977	40	41.2
1978	35	41.2
1979	49	41.2
1980	20	33.6
1981	41	33.6
1982	40	33.6
1983	29	33.6
1984	39	33.6
1985	36	33.6
1986	42	33.6
1987	39	33.6
1988	29	33.6
1989	21	33.6
1990	40	35.9
1991	26	35.9
1992	37	35.9
1993	26	35.9
1994	43	35.9
1995	35	35.9
1996	40	35.9
1997	24	35.9
1998	48	35.9
1999	40	35.9
2000	31	45.3
2001	46	45.3
2002	37	45.3
2003	58	45.3
2004	46	45.3
2006	55	45.3
2007	45	45.3
2008	38	45.3
2009	52	45.3
2010	32	40.5
2011	27	40.5
2012	33	40.5
2015	61	40.5
2016	36	40.5
2017	58	40.5
2018	47	40.5
2019	30	40.5
2020	43	48.3
2021	53	48.3
2022	51	48.3
2023	51	48.3
2024	49	48.3
2025	49	48.3
2026	42	48.3

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

First to last qualifying date each year at Ellensburg
Year	First date	Last date
1894	1894-05-25	1894-08-28
1895	1895-06-28	1895-07-23
1896	1896-06-26	1896-07-20
1897	1897-05-13	1897-07-26
1898	1898-06-07	1898-08-25
1899	1899-07-02	1899-07-29
1900	1900-04-30	1900-07-31
1901	1901-05-26	1901-08-30
1902	1902-06-22	1902-09-09
1903	1903-05-30	1903-08-18
1904	1904-06-28	1904-10-01
1905	1905-06-10	1905-08-20
1906	1906-05-09	1906-09-21
1907	1907-05-15	1907-09-10
1908	1908-06-09	1908-09-13
1909	1909-05-03	1909-09-15
1910	1910-04-24	1910-09-19
1911	1911-06-10	1911-09-02
1912	1912-05-12	1912-09-12
1913	1913-05-23	1913-09-16
1914	1914-05-13	1914-08-21
1915	1915-06-04	1915-09-19
1916	1916-05-01	1916-09-01
1917	1917-05-25	1917-09-20
1918	1918-04-20	1918-09-19
1919	1919-05-20	1919-09-16
1920	1920-05-07	1920-09-18
1921	1921-05-13	1921-08-29
1922	1922-05-14	1922-09-19
1923	1923-05-08	1923-09-17
1924	1924-05-09	1924-09-15
1925	1925-04-08	1925-09-03
1926	1926-04-15	1926-08-29
1927	1927-05-14	1927-08-23
1928	1928-05-19	1928-09-23
1929	1929-05-21	1929-09-16
1930	1930-06-06	1930-09-17
1931	1931-05-11	1931-09-04
1932	1932-06-11	1932-10-01
1933	1933-06-12	1933-09-03
1934	1934-04-20	1934-09-06
1935	1935-05-29	1935-10-01
1936	1936-05-10	1936-09-20
1937	1937-05-03	1937-09-17
1939	1939-05-13	1939-09-23
1940	1940-05-22	1940-09-11
1954	1954-05-18	1954-08-13
1955	1955-06-09	1955-09-10
1956	1956-05-17	1956-08-23
1957	1957-05-29	1957-09-15
1958	1958-05-20	1958-10-04
1959	1959-06-19	1959-08-09
1960	1960-06-28	1960-09-14
1961	1961-06-01	1961-08-29
1962	1962-06-23	1962-09-21
1963	1963-06-14	1963-09-29
1964	1964-06-30	1964-09-24
1965	1965-06-08	1965-08-19
1966	1966-05-04	1966-09-23
1967	1967-05-20	1967-09-29
1968	1968-06-17	1968-09-09
1969	1969-05-09	1969-09-12
1970	1970-05-25	1970-08-31
1971	1971-05-11	1971-08-30
1972	1972-05-28	1972-09-04
1974	1974-06-11	1974-09-26
1975	1975-06-01	1975-09-16
1976	1976-06-29	1976-09-29
1977	1977-04-24	1977-09-14
1978	1978-06-03	1978-08-30
1979	1979-05-23	1979-09-21
1980	1980-04-28	1980-09-11
1981	1981-05-01	1981-09-18
1982	1982-05-25	1982-09-08
1983	1983-05-23	1983-08-23
1984	1984-05-30	1984-09-18
1985	1985-05-18	1985-08-27
1986	1986-05-26	1986-09-05
1987	1987-04-28	1987-09-23
1988	1988-05-13	1988-10-01
1989	1989-06-02	1989-09-15
1990	1990-05-06	1990-09-25
1991	1991-07-03	1991-09-28
1992	1992-05-06	1992-08-21
1993	1993-05-12	1993-09-30
1994	1994-05-08	1994-09-28
1995	1995-05-30	1995-09-17
1996	1996-07-01	1996-09-13
1997	1997-05-14	1997-09-02
1998	1998-06-30	1998-09-16
1999	1999-05-25	1999-09-23
2000	2000-06-18	2000-09-15
2001	2001-05-13	2001-09-25
2002	2002-06-14	2002-09-15
2003	2003-05-30	2003-09-29
2004	2004-06-05	2004-09-01
2006	2006-05-16	2006-09-29
2007	2007-06-01	2007-09-16
2008	2008-06-21	2008-09-20
2009	2009-05-18	2009-09-25
2010	2010-07-08	2010-09-04
2011	2011-07-06	2011-09-25
2012	2012-05-15	2012-09-20
2015	2015-05-29	2015-09-13
2016	2016-05-08	2016-09-11
2017	2017-05-23	2017-08-30
2018	2018-05-14	2018-09-08
2019	2019-05-12	2019-09-04
2020	2020-05-30	2020-10-07
2021	2021-06-01	2021-09-08
2022	2022-06-27	2022-09-07
2023	2023-05-20	2023-09-17
2024	2024-06-09	2024-09-25
2025	2025-05-29	2025-09-21
2026	2026-06-16	2026-08-27

Every Fixed Threshold

Fixed thresholds at Ellensburg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	115	69	1922	42
35 C (95 F): Days	103	25	2015	6
40 C (104 F): Days	14	4	1928	1
90 F (32.2 C): Days	115	42	1958	21
100 F (37.8 C): Days	62	15	2015	1
110 F (43.3 C): Days	1	1	1928	1
0 C (32 F): Ice days (max	114	77	1985	7
0 C (32 F): Frost days (min	113	198	1913	86
-10 C (14 F): Days with min	112	58	1985	2
-20 C (-4 F): Days with min	67	13	1914	2
-30 C (-22 F): Days with min	10	4	1909	2
20 C (68 F): Tropical nights (min	30	7	1898	1
25 C (77 F): Days with min	1	1	1894	1
10 mm (0.39 in): Days with 10 mm or more rain	107	16	1937	5
25 mm (0.98 in): Days with 25 mm or more rain	28	2	1897	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	2011	1
10 cm (3.9 in): Days with 10 cm or more snowfall	71	10	1996	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	3	1996	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1996	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Ellensburg 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Ellensburg Threshold Days by Year (USC00452505)

Key Facts for Ellensburg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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