Built 2026-10-18 (18 October 2026)

Brace Flat Idaho Threshold Days by Year

11 fixed thresholds counted per year at Brace Flat Idaho (USR0000IBRA): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brace Flat Idaho Thresholds

  • Brace Flat Idaho: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2012 with 88.
  • Brace Flat Idaho: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 2021 with 63.
  • Brace Flat Idaho: days with a maximum temperature at or below 0 C (32 F) in 36 years, most in 1993 with 43.
  • Brace Flat Idaho: nights with a minimum temperature at or below 0 C (32 F) in 36 years, most in 1999 with 202.
  • 11 fixed thresholds have at least one qualifying day at Brace Flat Idaho.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Brace Flat Idaho Days per year at Brace Flat Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 88 in 2012. 02550751001991: 631992: 551993: 341994: 821995: 521996: 671997: 481998: 721999: 592000: 722001: 782002: 632003: 792004: 542005: 622006: 782007: 852008: 742009: 772010: 602011: 682012: 882013: 762014: 572015: 652016: 642017: 782018: 592019: 552020: 792021: 752022: 732023: 532024: 752025: 742026: 75199119951999200320072011201520192023
Days per year at Brace Flat Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 88 in 2012.
Days at or above 30 C (86 F) per year at Brace Flat Idaho
YearDaysDecade average
19916359.1
19925559.1
19933459.1
19948259.1
19955259.1
19966759.1
19974859.1
19987259.1
19995959.1
20007272.2
20017872.2
20026372.2
20037972.2
20045472.2
20056272.2
20067872.2
20078572.2
20087472.2
20097772.2
20106067
20116867
20128867
20137667
20145767
20156567
20166467
20177867
20185967
20195567
20207972
20217572
20227372
20235372
20247572
20257472
20267572
First to last qualifying date each year at Brace Flat Idaho For each year, a bar from the first to the last day at Brace Flat Idaho meeting 30 C (86 F). 1991: 10 June 1991 to 26 September 19911992: 5 May 1992 to 30 September 19921993: 19 June 1993 to 4 October 19931994: 11 May 1994 to 27 September 19941995: 25 June 1995 to 15 September 19951996: 2 June 1996 to 9 October 19961997: 30 May 1997 to 30 September 19971998: 28 June 1998 to 17 September 19981999: 12 June 1999 to 22 September 19992000: 2 June 2000 to 16 September 20002001: 11 May 2001 to 1 October 20012002: 29 May 2002 to 15 September 20022003: 22 May 2003 to 21 October 20032004: 3 June 2004 to 11 September 20042005: 20 June 2005 to 20 September 20052006: 15 May 2006 to 13 September 20062007: 11 May 2007 to 14 September 20072008: 16 May 2008 to 1 October 20082009: 17 May 2009 to 28 September 20092010: 23 June 2010 to 2 October 20102011: 21 June 2011 to 30 September 20112012: 22 April 2012 to 22 September 20122013: 11 May 2013 to 15 September 20132014: 9 June 2014 to 24 September 20142015: 8 June 2015 to 9 October 20152016: 3 June 2016 to 28 September 20162017: 30 May 2017 to 11 September 20172018: 3 June 2018 to 28 September 20182019: 12 June 2019 to 15 September 20192020: 28 May 2020 to 4 October 20202021: 1 June 2021 to 25 September 20212022: 10 June 2022 to 27 September 20222023: 30 June 2023 to 16 September 20232024: 6 June 2024 to 28 September 20242025: 28 May 2025 to 28 September 20252026: 10 May 2026 to 7 October 202619911996200120062011201620212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Brace Flat Idaho meeting 30 C (86 F).
First to last qualifying date each year at Brace Flat Idaho
YearFirst dateLast date
19911991-06-101991-09-26
19921992-05-051992-09-30
19931993-06-191993-10-04
19941994-05-111994-09-27
19951995-06-251995-09-15
19961996-06-021996-10-09
19971997-05-301997-09-30
19981998-06-281998-09-17
19991999-06-121999-09-22
20002000-06-022000-09-16
20012001-05-112001-10-01
20022002-05-292002-09-15
20032003-05-222003-10-21
20042004-06-032004-09-11
20052005-06-202005-09-20
20062006-05-152006-09-13
20072007-05-112007-09-14
20082008-05-162008-10-01
20092009-05-172009-09-28
20102010-06-232010-10-02
20112011-06-212011-09-30
20122012-04-222012-09-22
20132013-05-112013-09-15
20142014-06-092014-09-24
20152015-06-082015-10-09
20162016-06-032016-09-28
20172017-05-302017-09-11
20182018-06-032018-09-28
20192019-06-122019-09-15
20202020-05-282020-10-04
20212021-06-012021-09-25
20222022-06-102022-09-27
20232023-06-302023-09-16
20242024-06-062024-09-28
20252025-05-282025-09-28
20262026-05-102026-10-07

Every Fixed Threshold

Fixed thresholds at Brace Flat Idaho
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3688201275
35 C (95 F): Days3539202129
40 C (104 F): Days7420031
90 F (32.2 C): Days3663202156
100 F (37.8 C): Days29920036
0 C (32 F): Ice days (max364319932
0 C (32 F): Frost days (min362021999100
-10 C (14 F): Days with min366920229
-20 C (-4 F): Days with min291819931
-30 C (-22 F): Days with min1120171
20 C (68 F): Tropical nights (min10320131

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Brace Flat 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).