Minidoka Dam Threshold Days by Year

16 fixed thresholds counted per year at Minidoka Dam (USC00105980): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Minidoka Dam Thresholds

Minidoka Dam: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 2022 with 82.
Minidoka Dam: days with a maximum temperature at or above 90 F (32.2 C) in 75 years, most in 2013 with 64.
Minidoka Dam: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1985 with 88.
Minidoka Dam: days with a maximum temperature at or above 35 C (95 F) in 74 years, most in 2024 with 32.
16 fixed thresholds have at least one qualifying day at Minidoka Dam.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Minidoka Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 2022.

Days at or above 30 C (86 F) per year at Minidoka Dam
Year	Days	Decade average
1949	52	52
1950	44	49.8
1951	31	49.8
1952	49	49.8
1953	47	49.8
1954	47	49.8
1955	47	49.8
1956	50	49.8
1957	59	49.8
1958	62	49.8
1959	62	49.8
1960	67	57.5
1961	66	57.5
1962	42	57.5
1963	43	57.5
1964	54	57.5
1965	33	57.5
1966	74	57.5
1967	77	57.5
1968	56	57.5
1969	63	57.5
1970	63	51.8
1971	58	51.8
1972	43	51.8
1973	58	51.8
1974	60	51.8
1975	42	51.8
1976	38	51.8
1977	53	51.8
1978	40	51.8
1979	63	51.8
1980	44	54
1981	69	54
1982	44	54
1983	48	54
1984	54	54
1985	50	54
1986	57	54
1988	69	54
1989	51	54
1990	66	57.9
1991	63	57.9
1992	60	57.9
1993	22	57.9
1994	78	57.9
1995	49	57.9
1996	60	57.9
1997	54	57.9
1998	69	57.9
2000	58	56.9
2001	72	56.9
2002	43	56.9
2003	66	56.9
2004	46	56.9
2005	48	56.9
2006	74	56.9
2007	46	56.9
2008	59	56.9
2010	63	66.6
2011	72	66.6
2012	76	66.6
2013	79	66.6
2014	52	66.6
2015	58	66.6
2016	71	66.6
2017	79	66.6
2018	63	66.6
2019	53	66.6
2020	65	66.7
2021	71	66.7
2022	82	66.7
2023	61	66.7
2024	81	66.7
2025	79	66.7
2026	28	66.7

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

First to last qualifying date each year at Minidoka Dam
Year	First date	Last date
1949	1949-06-10	1949-09-19
1950	1950-06-05	1950-09-07
1951	1951-07-01	1951-09-07
1952	1952-06-05	1952-09-26
1953	1953-06-11	1953-09-15
1954	1954-05-18	1954-09-11
1955	1955-06-20	1955-09-13
1956	1956-05-22	1956-09-19
1957	1957-06-03	1957-09-29
1958	1958-05-19	1958-10-14
1959	1959-06-05	1959-09-13
1960	1960-05-10	1960-09-20
1961	1961-06-08	1961-08-29
1962	1962-06-23	1962-09-18
1963	1963-06-19	1963-10-03
1964	1964-06-24	1964-09-13
1965	1965-06-11	1965-10-08
1966	1966-05-04	1966-09-24
1967	1967-05-22	1967-09-29
1968	1968-06-02	1968-09-14
1969	1969-05-23	1969-09-08
1970	1970-06-03	1970-08-31
1971	1971-06-21	1971-09-11
1972	1972-05-30	1972-08-28
1973	1973-06-06	1973-09-06
1974	1974-06-12	1974-09-01
1975	1975-06-30	1975-09-10
1976	1976-06-07	1976-09-10
1977	1977-06-01	1977-09-11
1978	1978-06-27	1978-09-05
1979	1979-06-04	1979-09-22
1980	1980-06-11	1980-09-07
1981	1981-06-22	1981-09-19
1982	1982-06-19	1982-09-09
1983	1983-05-26	1983-09-07
1984	1984-05-29	1984-09-20
1985	1985-06-07	1985-08-29
1986	1986-05-28	1986-09-05
1988	1988-05-13	1988-10-04
1989	1989-05-06	1989-09-29
1990	1990-06-09	1990-10-01
1991	1991-06-10	1991-09-27
1992	1992-04-29	1992-10-01
1993	1993-06-19	1993-09-11
1994	1994-06-03	1994-09-28
1995	1995-06-25	1995-09-16
1996	1996-06-03	1996-10-09
1997	1997-05-14	1997-09-14
1998	1998-06-29	1998-09-17
2000	2000-04-27	2000-09-29
2001	2001-05-12	2001-09-28
2002	2002-05-19	2002-09-16
2003	2003-05-24	2003-10-22
2004	2004-06-04	2004-09-28
2005	2005-06-16	2005-09-09
2006	2006-05-15	2006-09-12
2007	2007-05-02	2007-09-15
2008	2008-05-18	2008-09-30
2010	2010-06-20	2010-10-04
2011	2011-06-06	2011-10-04
2012	2012-04-23	2012-09-23
2013	2013-05-13	2013-09-22
2014	2014-05-28	2014-09-26
2015	2015-06-01	2015-09-26
2016	2016-04-22	2016-09-29
2017	2017-05-12	2017-09-13
2018	2018-04-28	2018-09-16
2019	2019-06-07	2019-09-16
2020	2020-05-30	2020-09-18
2021	2021-05-01	2021-09-11
2022	2022-05-16	2022-09-29
2023	2023-05-01	2023-09-18
2024	2024-05-29	2024-10-13
2025	2025-05-04	2025-09-28
2026	2026-05-12	2026-07-14

Every Fixed Threshold

Fixed thresholds at Minidoka Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	82	2022	28
35 C (95 F): Days	74	32	2024	8
40 C (104 F): Days	12	3	2003	2
90 F (32.2 C): Days	75	64	2013	18
100 F (37.8 C): Days	41	8	2013	3
0 C (32 F): Ice days (max	75	88	1985	5
0 C (32 F): Frost days (min	73	189	2022	88
-10 C (14 F): Days with min	73	87	1985	4
-20 C (-4 F): Days with min	54	25	1949	1
-30 C (-22 F): Days with min	9	5	1949	2
-40 C (-40 F): Days with min	1	1	1962	1
20 C (68 F): Tropical nights (min	24	6	1951	1
10 mm (0.39 in): Days with 10 mm or more rain	72	12	2016	1
25 mm (0.98 in): Days with 25 mm or more rain	14	2	2005	1
10 cm (3.9 in): Days with 10 cm or more snowfall	48	6	2008	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1962	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.

Download the Data

Data for Minidoka Dam 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Minidoka Dam Threshold Days by Year

Key Facts for Minidoka Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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