Ephraim Threshold Days by Year (USC00422578)

16 fixed thresholds counted per year at Ephraim (USC00422578): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ephraim Thresholds

Ephraim: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 2001 with 114.
Ephraim: days with a maximum temperature at or above 90 F (32.2 C) in 75 years, most in 2001 with 80.
Ephraim: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1952 with 57.
Ephraim: nights with a minimum temperature at or below 0 C (32 F) in 75 years, most in 2013 with 207.
16 fixed thresholds have at least one qualifying day at Ephraim.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Ephraim with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 114 in 2001.

Days at or above 30 C (86 F) per year at Ephraim
Year	Days	Decade average
1950	50	56
1951	42	56
1952	50	56
1953	52	56
1954	52	56
1955	62	56
1956	64	56
1957	46	56
1958	73	56
1959	69	56
1960	62	53.9
1961	57	53.9
1962	53	53.9
1963	48	53.9
1964	63	53.9
1965	34	53.9
1966	70	53.9
1967	59	53.9
1968	39	53.9
1969	54	53.9
1970	53	56.6
1971	61	56.6
1972	46	56.6
1974	77	56.6
1975	35	56.6
1976	51	56.6
1977	63	56.6
1978	59	56.6
1979	64	56.6
1980	54	59.3
1981	72	59.3
1982	42	59.3
1983	56	59.3
1984	53	59.3
1985	64	59.3
1986	63	59.3
1987	52	59.3
1988	75	59.3
1989	62	59.3
1990	76	71.7
1991	60	71.7
1992	63	71.7
1993	57	71.7
1994	90	71.7
1995	63	71.7
1996	92	71.7
1997	75	71.7
1998	67	71.7
1999	74	71.7
2000	85	79.9
2001	114	79.9
2002	98	79.9
2003	97	79.9
2004	62	79.9
2005	74	79.9
2006	62	79.9
2007	65	79.9
2009	62	79.9
2010	62	73.5
2011	56	73.5
2012	75	73.5
2013	68	73.5
2014	74	73.5
2015	77	73.5
2016	77	73.5
2017	88	73.5
2018	92	73.5
2019	66	73.5
2020	91	87
2021	89	87
2022	90	87
2023	64	87
2024	97	87
2025	97	87
2026	81	87

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

First to last qualifying date each year at Ephraim
Year	First date	Last date
1950	1950-06-21	1950-09-05
1951	1951-05-27	1951-09-17
1952	1952-06-08	1952-09-15
1953	1953-06-10	1953-09-14
1954	1954-05-19	1954-09-22
1955	1955-06-08	1955-09-14
1956	1956-05-31	1956-09-19
1957	1957-06-04	1957-09-30
1958	1958-05-19	1958-09-11
1959	1959-05-13	1959-09-10
1960	1960-06-03	1960-09-04
1961	1961-06-08	1961-08-28
1962	1962-06-19	1962-09-18
1963	1963-06-20	1963-09-27
1964	1964-05-19	1964-09-12
1965	1965-06-21	1965-08-27
1966	1966-06-14	1966-09-23
1967	1967-05-22	1967-09-05
1968	1968-06-02	1968-09-09
1969	1969-05-26	1969-09-07
1970	1970-06-22	1970-09-02
1971	1971-06-15	1971-09-13
1972	1972-05-31	1972-08-17
1974	1974-05-26	1974-09-10
1975	1975-06-28	1975-09-07
1976	1976-05-14	1976-09-05
1977	1977-05-31	1977-09-08
1978	1978-06-09	1978-09-05
1979	1979-06-11	1979-09-18
1980	1980-06-10	1980-09-05
1981	1981-06-06	1981-09-16
1982	1982-06-24	1982-09-04
1983	1983-05-27	1983-09-18
1984	1984-05-20	1984-09-14
1985	1985-06-06	1985-09-01
1986	1986-06-02	1986-09-06
1987	1987-06-04	1987-09-23
1988	1988-06-03	1988-09-09
1989	1989-05-07	1989-09-25
1990	1990-06-03	1990-09-15
1991	1991-06-10	1991-09-21
1992	1992-06-02	1992-09-30
1993	1993-06-14	1993-09-11
1994	1994-05-30	1994-09-28
1995	1995-06-12	1995-09-15
1996	1996-05-12	1996-10-10
1997	1997-05-14	1997-09-10
1998	1998-06-01	1998-09-17
1999	1999-05-21	1999-09-13
2000	2000-04-27	2000-09-17
2001	2001-05-09	2001-10-02
2002	2002-05-18	2002-09-24
2003	2003-05-22	2003-09-29
2004	2004-06-07	2004-09-17
2005	2005-05-20	2005-09-20
2006	2006-05-18	2006-09-05
2007	2007-06-05	2007-09-13
2009	2009-05-19	2009-09-29
2010	2010-06-07	2010-10-02
2011	2011-06-24	2011-09-05
2012	2012-05-22	2012-09-10
2013	2013-06-03	2013-09-07
2014	2014-05-27	2014-09-25
2015	2015-05-31	2015-09-29
2016	2016-06-02	2016-09-19
2017	2017-06-03	2017-09-12
2018	2018-05-25	2018-09-28
2019	2019-06-13	2019-09-15
2020	2020-05-28	2020-09-25
2021	2021-06-02	2021-09-27
2022	2022-05-15	2022-09-27
2023	2023-06-19	2023-09-27
2024	2024-06-01	2024-10-04
2025	2025-05-12	2025-09-25
2026	2026-03-20	2026-08-27

Every Fixed Threshold

Fixed thresholds at Ephraim
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	114	2001	81
35 C (95 F): Days	71	48	2002	42
40 C (104 F): Days	9	5	1998	2
90 F (32.2 C): Days	75	80	2001	70
100 F (37.8 C): Days	34	15	2002	15
0 C (32 F): Ice days (max	75	57	1952	1
0 C (32 F): Frost days (min	75	207	2013	107
-10 C (14 F): Days with min	75	81	2009	29
-20 C (-4 F): Days with min	64	31	2013	2
-30 C (-22 F): Days with min	9	4	1990	4
20 C (68 F): Tropical nights (min	11	2	1978	1
10 mm (0.39 in): Days with 10 mm or more rain	66	13	1984	2
25 mm (0.98 in): Days with 25 mm or more rain	18	2	1953	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1966	1
10 cm (3.9 in): Days with 10 cm or more snowfall	14	5	2006	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	2010	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

Data for Ephraim 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).

Ephraim Threshold Days by Year (USC00422578)

Key Facts for Ephraim Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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