Ephrata AP Threshold Days by Year (USW00024141)

17 fixed thresholds counted per year at Ephrata AP (USW00024141): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ephrata AP Thresholds

Ephrata AP: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 1967 with 87.
Ephrata AP: days with a maximum temperature at or above 35 C (95 F) in 78 years, most in 2021 with 39.
Ephrata AP: days with a maximum temperature at or above 90 F (32.2 C) in 78 years, most in 1967 with 65.
Ephrata AP: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 1985 with 86.
17 fixed thresholds have at least one qualifying day at Ephrata AP.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Ephrata AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 1967.

Days at or above 30 C (86 F) per year at Ephrata AP
Year	Days	Decade average
1949	57	57
1950	62	52.7
1951	57	52.7
1952	55	52.7
1953	45	52.7
1954	32	52.7
1955	53	52.7
1956	62	52.7
1957	40	52.7
1958	81	52.7
1959	40	52.7
1960	57	57.4
1961	69	57.4
1962	50	57.4
1963	62	57.4
1964	33	57.4
1965	46	57.4
1966	51	57.4
1967	87	57.4
1968	50	57.4
1969	69	57.4
1970	66	57.4
1971	55	57.4
1972	56	57.4
1973	59	57.4
1974	74	57.4
1975	63	57.4
1976	39	57.4
1977	57	57.4
1978	42	57.4
1979	63	57.4
1980	33	54.2
1981	59	54.2
1982	56	54.2
1983	41	54.2
1984	43	54.2
1985	55	54.2
1986	64	54.2
1987	81	54.2
1988	61	54.2
1989	49	54.2
1990	65	58.9
1991	60	58.9
1992	53	58.9
1993	36	58.9
1994	70	58.9
1995	51	58.9
1996	58	58.9
1997	61	58.9
1998	77	58.9
1999	58	58.9
2000	52	58.7
2001	60	58.7
2002	56	58.7
2003	69	58.7
2004	57	58.7
2005	54	58.7
2006	66	58.7
2007	56	58.7
2008	54	58.7
2009	63	58.7
2010	49	62.5
2011	46	62.5
2012	57	62.5
2013	77	62.5
2014	63	62.5
2015	77	62.5
2016	47	62.5
2017	80	62.5
2018	66	62.5
2019	63	62.5
2020	60	70.1
2021	74	70.1
2022	65	70.1
2023	76	70.1
2024	70	70.1
2025	78	70.1
2026	68	70.1

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

First to last qualifying date each year at Ephrata AP
Year	First date	Last date
1949	1949-05-08	1949-09-27
1950	1950-06-03	1950-09-22
1951	1951-05-22	1951-09-19
1952	1952-05-27	1952-09-26
1953	1953-07-02	1953-09-15
1954	1954-05-17	1954-09-10
1955	1955-06-06	1955-09-11
1956	1956-04-21	1956-09-19
1957	1957-04-29	1957-09-24
1958	1958-05-16	1958-09-10
1959	1959-05-13	1959-09-13
1960	1960-05-10	1960-09-14
1961	1961-05-19	1961-09-04
1962	1962-06-08	1962-09-26
1963	1963-05-20	1963-09-29
1964	1964-06-01	1964-08-23
1965	1965-05-28	1965-08-18
1966	1966-05-03	1966-09-22
1967	1967-05-21	1967-09-28
1968	1968-05-18	1968-09-11
1969	1969-05-06	1969-09-12
1970	1970-05-16	1970-09-01
1971	1971-05-11	1971-09-10
1972	1972-05-28	1972-09-16
1973	1973-05-13	1973-09-11
1974	1974-06-10	1974-09-26
1975	1975-05-14	1975-09-23
1976	1976-05-16	1976-09-29
1977	1977-04-23	1977-08-22
1978	1978-06-02	1978-09-02
1979	1979-05-22	1979-09-20
1980	1980-07-01	1980-09-11
1981	1981-06-25	1981-09-19
1982	1982-06-10	1982-09-18
1983	1983-05-21	1983-09-05
1984	1984-05-29	1984-09-18
1985	1985-05-17	1985-08-29
1986	1986-05-25	1986-09-04
1987	1987-04-27	1987-09-25
1988	1988-05-12	1988-09-14
1989	1989-06-01	1989-09-29
1990	1990-05-05	1990-09-29
1991	1991-06-10	1991-10-01
1992	1992-05-04	1992-09-01
1993	1993-05-11	1993-09-10
1994	1994-05-07	1994-09-27
1995	1995-05-28	1995-09-18
1996	1996-06-02	1996-09-29
1997	1997-05-12	1997-09-25
1998	1998-04-30	1998-09-18
1999	1999-05-23	1999-09-22
2000	2000-05-16	2000-09-17
2001	2001-05-12	2001-09-24
2002	2002-06-12	2002-09-15
2003	2003-05-24	2003-09-28
2004	2004-06-03	2004-09-27
2005	2005-05-26	2005-09-08
2006	2006-05-15	2006-09-12
2007	2007-05-08	2007-09-14
2008	2008-05-16	2008-09-30
2009	2009-05-17	2009-09-24
2010	2010-06-13	2010-09-28
2011	2011-06-06	2011-09-24
2012	2012-04-23	2012-09-21
2013	2013-05-06	2013-09-15
2014	2014-05-22	2014-10-06
2015	2015-05-21	2015-09-12
2016	2016-04-20	2016-09-10
2017	2017-05-04	2017-09-12
2018	2018-04-27	2018-09-07
2019	2019-05-11	2019-09-07
2020	2020-05-28	2020-09-11
2021	2021-05-15	2021-09-09
2022	2022-06-22	2022-09-27
2023	2023-05-03	2023-09-16
2024	2024-05-11	2024-09-25
2025	2025-05-25	2025-09-20
2026	2026-05-03	2026-08-27

Every Fixed Threshold

Fixed thresholds at Ephrata AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	87	1967	68
35 C (95 F): Days	78	39	2021	14
40 C (104 F): Days	40	12	1971	4
45 C (113 F): Days	2	2	2021	2
90 F (32.2 C): Days	78	65	1967	38
100 F (37.8 C): Days	71	20	2015	3
110 F (43.3 C): Days	3	2	2021	2
0 C (32 F): Ice days (max	78	86	1985	6
0 C (32 F): Frost days (min	78	160	1955	69
-10 C (14 F): Days with min	75	55	1985	6
-20 C (-4 F): Days with min	32	18	1949	1
-30 C (-22 F): Days with min	1	2	1950	2
20 C (68 F): Tropical nights (min	77	29	1958	8
25 C (77 F): Days with min	28	5	1975	5
10 mm (0.39 in): Days with 10 mm or more rain	72	9	1951	3
25 mm (0.98 in): Days with 25 mm or more rain	3	1	1992	1
10 cm (3.9 in): Days with 10 cm or more snowfall	25	4	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 1949.

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Data for Ephrata AP 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).

Ephrata AP Threshold Days by Year (USW00024141)

Key Facts for Ephrata AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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