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Built 2026-10-19 (19 October 2026)

Raft River Idaho Threshold Days by Year (USR0000IRAF)

11 fixed thresholds counted per year at Raft River Idaho (USR0000IRAF): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Raft River Idaho Thresholds

  • Raft River Idaho: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 2012 with 86.
  • Raft River Idaho: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 2022 with 69.
  • Raft River Idaho: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1993 with 49.
  • Raft River Idaho: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 2022 with 195.
  • 11 fixed thresholds have at least one qualifying day at Raft River Idaho.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Raft River Idaho Days per year at Raft River Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 2012. 02550751001987: 601988: 851989: 511990: 661991: 611992: 661993: 271994: 841995: 521996: 571997: 481998: 671999: 682000: 702001: 812002: 662003: 852004: 612005: 662006: 792007: 832008: 762009: 672010: 672011: 712012: 862013: 832014: 592015: 622016: 612017: 842018: 632019: 572020: 752021: 822022: 812023: 592024: 792025: 812026: 831987199119951999200320072011201520192023
Days per year at Raft River Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 2012.
Days at or above 30 C (86 F) per year at Raft River Idaho
YearDaysDecade average
19876065.3
19888565.3
19895165.3
19906659.6
19916159.6
19926659.6
19932759.6
19948459.6
19955259.6
19965759.6
19974859.6
19986759.6
19996859.6
20007073.4
20018173.4
20026673.4
20038573.4
20046173.4
20056673.4
20067973.4
20078373.4
20087673.4
20096773.4
20106769.3
20117169.3
20128669.3
20138369.3
20145969.3
20156269.3
20166169.3
20178469.3
20186369.3
20195769.3
20207577.1
20218277.1
20228177.1
20235977.1
20247977.1
20258177.1
20268377.1
First to last qualifying date each year at Raft River Idaho For each year, a bar from the first to the last day at Raft River Idaho meeting 30 C (86 F). 1987: 7 May 1987 to 3 October 19871988: 12 May 1988 to 4 October 19881989: 6 May 1989 to 29 September 19891990: 9 June 1990 to 1 October 19901991: 10 June 1991 to 27 September 19911992: 29 April 1992 to 1 October 19921993: 12 May 1993 to 4 October 19931994: 18 April 1994 to 28 September 19941995: 25 June 1995 to 16 September 19951996: 3 June 1996 to 10 October 19961997: 15 May 1997 to 30 September 19971998: 29 June 1998 to 17 September 19981999: 23 May 1999 to 23 September 19992000: 2 June 2000 to 16 September 20002001: 11 May 2001 to 1 October 20012002: 18 May 2002 to 24 September 20022003: 22 May 2003 to 22 October 20032004: 3 June 2004 to 26 September 20042005: 16 June 2005 to 1 October 20052006: 15 May 2006 to 30 September 20062007: 11 May 2007 to 15 September 20072008: 17 May 2008 to 1 October 20082009: 17 May 2009 to 28 September 20092010: 24 June 2010 to 3 October 20102011: 22 June 2011 to 30 September 20112012: 22 April 2012 to 22 September 20122013: 12 May 2013 to 16 September 20132014: 27 May 2014 to 25 September 20142015: 31 May 2015 to 10 October 20152016: 4 June 2016 to 1 September 20162017: 30 May 2017 to 12 September 20172018: 6 May 2018 to 29 September 20182019: 6 June 2019 to 16 September 20192020: 28 May 2020 to 17 September 20202021: 30 April 2021 to 25 September 20212022: 26 May 2022 to 28 September 20222023: 20 May 2023 to 17 September 20232024: 28 May 2024 to 9 October 20242025: 10 May 2025 to 25 September 20252026: 10 May 2026 to 9 October 202619871992199720022007201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Raft River Idaho meeting 30 C (86 F).
First to last qualifying date each year at Raft River Idaho
YearFirst dateLast date
19871987-05-071987-10-03
19881988-05-121988-10-04
19891989-05-061989-09-29
19901990-06-091990-10-01
19911991-06-101991-09-27
19921992-04-291992-10-01
19931993-05-121993-10-04
19941994-04-181994-09-28
19951995-06-251995-09-16
19961996-06-031996-10-10
19971997-05-151997-09-30
19981998-06-291998-09-17
19991999-05-231999-09-23
20002000-06-022000-09-16
20012001-05-112001-10-01
20022002-05-182002-09-24
20032003-05-222003-10-22
20042004-06-032004-09-26
20052005-06-162005-10-01
20062006-05-152006-09-30
20072007-05-112007-09-15
20082008-05-172008-10-01
20092009-05-172009-09-28
20102010-06-242010-10-03
20112011-06-222011-09-30
20122012-04-222012-09-22
20132013-05-122013-09-16
20142014-05-272014-09-25
20152015-05-312015-10-10
20162016-06-042016-09-01
20172017-05-302017-09-12
20182018-05-062018-09-29
20192019-06-062019-09-16
20202020-05-282020-09-17
20212021-04-302021-09-25
20222022-05-262022-09-28
20232023-05-202023-09-17
20242024-05-282024-10-09
20252025-05-102025-09-25
20262026-05-102026-10-09

Every Fixed Threshold

Fixed thresholds at Raft River Idaho
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4086201283
35 C (95 F): Days3945201335
40 C (104 F): Days19720032
90 F (32.2 C): Days4069202256
100 F (37.8 C): Days3821200314
0 C (32 F): Ice days (max404919936
0 C (32 F): Frost days (min40195202295
-10 C (14 F): Days with min406619937
-20 C (-4 F): Days with min332020132
-30 C (-22 F): Days with min6519902
20 C (68 F): Tropical nights (min20320225

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • Data for Raft River 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 . Last revised (2026-10-17).