Horse Butte Idaho Threshold Days by Year (USR0000IHSB)

11 fixed thresholds counted per year at Horse Butte Idaho (USR0000IHSB): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Horse Butte Idaho Thresholds

Horse Butte Idaho: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 2013 with 70.
Horse Butte Idaho: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 2022 with 49.
Horse Butte Idaho: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1990 with 43.
Horse Butte Idaho: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 2011 with 177.
11 fixed thresholds have at least one qualifying day at Horse Butte Idaho.

Days at or above 30 C (86 F)

41 years with a qualifying day

Days per year at Horse Butte Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 2013.

Days at or above 30 C (86 F) per year at Horse Butte Idaho
Year	Days	Decade average
1986	37	34.3
1987	28	34.3
1988	47	34.3
1989	25	34.3
1990	53	40.8
1991	42	40.8
1992	37	40.8
1993	14	40.8
1994	55	40.8
1995	34	40.8
1996	46	40.8
1997	28	40.8
1998	58	40.8
1999	41	40.8
2000	52	53.2
2001	65	53.2
2002	42	53.2
2003	63	53.2
2004	40	53.2
2005	53	53.2
2006	61	53.2
2007	63	53.2
2008	48	53.2
2009	45	53.2
2010	49	52.2
2011	47	52.2
2012	59	52.2
2013	70	52.2
2014	47	52.2
2015	46	52.2
2016	53	52.2
2017	60	52.2
2018	47	52.2
2019	44	52.2
2020	57	59.3
2021	66	59.3
2022	62	59.3
2023	43	59.3
2024	63	59.3
2025	60	59.3
2026	64	59.3

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

First to last qualifying date each year at Horse Butte Idaho
Year	First date	Last date
1986	1986-05-28	1986-08-27
1987	1987-06-05	1987-09-24
1988	1988-06-03	1988-09-09
1989	1989-06-14	1989-08-29
1990	1990-06-22	1990-09-14
1991	1991-07-03	1991-09-20
1992	1992-06-08	1992-09-30
1993	1993-06-19	1993-09-10
1994	1994-06-11	1994-09-28
1995	1995-06-26	1995-09-15
1996	1996-06-03	1996-09-12
1997	1997-06-26	1997-09-09
1998	1998-06-30	1998-09-17
1999	1999-06-14	1999-09-09
2000	2000-06-02	2000-09-15
2001	2001-05-12	2001-09-27
2002	2002-05-29	2002-09-15
2003	2003-05-23	2003-09-04
2004	2004-06-03	2004-09-11
2005	2005-06-20	2005-09-30
2006	2006-05-17	2006-09-12
2007	2007-06-02	2007-09-12
2008	2008-05-17	2008-08-30
2009	2009-05-18	2009-09-19
2010	2010-06-23	2010-10-02
2011	2011-06-22	2011-09-30
2012	2012-05-21	2012-09-22
2013	2013-05-11	2013-09-04
2014	2014-05-27	2014-09-25
2015	2015-06-08	2015-09-25
2016	2016-06-05	2016-08-31
2017	2017-06-07	2017-09-08
2018	2018-06-13	2018-09-07
2019	2019-07-06	2019-09-15
2020	2020-05-29	2020-09-17
2021	2021-06-02	2021-09-10
2022	2022-06-27	2022-09-27
2023	2023-07-01	2023-09-07
2024	2024-06-07	2024-09-28
2025	2025-05-10	2025-09-05
2026	2026-05-12	2026-10-05

Every Fixed Threshold

Fixed thresholds at Horse Butte Idaho
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	41	70	2013	64
35 C (95 F): Days	39	21	2003	17
40 C (104 F): Days	3	1	1998	1
90 F (32.2 C): Days	41	49	2022	45
100 F (37.8 C): Days	20	4	2003	3
0 C (32 F): Ice days (max	41	43	1990	8
0 C (32 F): Frost days (min	41	177	2011	72
-10 C (14 F): Days with min	41	37	1990	1
-20 C (-4 F): Days with min	11	8	1990	2
-30 C (-22 F): Days with min	2	2	1990	2
20 C (68 F): Tropical nights (min	27	6	2013	9

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.

Download the Data

Data for Horse Butte Idaho 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).

Horse Butte Idaho Threshold Days by Year (USR0000IHSB)

Key Facts for Horse Butte Idaho Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related