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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Twin Falls Sun Valley Rgnl AP Threshold Days by Year (USW00094178)

14 fixed thresholds counted per year at Twin Falls Sun Valley Rgnl AP (USW00094178): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Twin Falls Sun Valley Rgnl AP Thresholds

  • Twin Falls Sun Valley Rgnl AP: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2013 with 85.
  • Twin Falls Sun Valley Rgnl AP: days with a maximum temperature at or above 35 C (95 F) in 28 years, most in 2013 with 32.
  • Twin Falls Sun Valley Rgnl AP: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2013 with 66.
  • Twin Falls Sun Valley Rgnl AP: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 2022 with 45.
  • 14 fixed thresholds have at least one qualifying day at Twin Falls Sun Valley Rgnl AP.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Twin Falls Sun Valley Rgnl AP Days per year at Twin Falls Sun Valley Rgnl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 2013. 02550751001998: 661999: 562000: 662001: 702002: 552003: 652004: 502005: 522006: 652007: 792008: 692009: 702010: 612011: 732012: 812013: 852014: 552015: 772016: 532017: 752018: 532019: 492020: 682021: 752022: 772023: 572024: 722025: 641998200120042007201020132016201920222025
Days per year at Twin Falls Sun Valley Rgnl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 2013.
Days at or above 30 C (86 F) per year at Twin Falls Sun Valley Rgnl AP
YearDaysDecade average
19986661
19995661
20006664.1
20017064.1
20025564.1
20036564.1
20045064.1
20055264.1
20066564.1
20077964.1
20086964.1
20097064.1
20106166.2
20117366.2
20128166.2
20138566.2
20145566.2
20157766.2
20165366.2
20177566.2
20185366.2
20194966.2
20206868.8
20217568.8
20227768.8
20235768.8
20247268.8
20256468.8
First to last qualifying date each year at Twin Falls Sun Valley Rgnl AP For each year, a bar from the first to the last day at Twin Falls Sun Valley Rgnl AP meeting 30 C (86 F). 1998: 29 June 1998 to 17 September 19981999: 13 June 1999 to 22 September 19992000: 27 April 2000 to 16 September 20002001: 12 May 2001 to 27 September 20012002: 19 May 2002 to 15 September 20022003: 23 May 2003 to 6 September 20032004: 4 May 2004 to 11 September 20042005: 20 June 2005 to 9 September 20052006: 15 May 2006 to 6 September 20062007: 11 May 2007 to 14 September 20072008: 16 May 2008 to 29 September 20082009: 17 May 2009 to 28 September 20092010: 23 June 2010 to 3 October 20102011: 5 June 2011 to 3 October 20112012: 22 April 2012 to 22 September 20122013: 11 May 2013 to 20 September 20132014: 27 May 2014 to 25 September 20142015: 30 May 2015 to 10 October 20152016: 4 June 2016 to 31 August 20162017: 31 May 2017 to 12 September 20172018: 27 April 2018 to 7 September 20182019: 12 June 2019 to 15 September 20192020: 29 April 2020 to 17 September 20202021: 30 April 2021 to 10 September 20212022: 26 May 2022 to 28 September 20222023: 30 April 2023 to 17 September 20232024: 28 May 2024 to 9 October 20242025: 9 May 2025 to 4 September 20251998200220062010201420182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Twin Falls Sun Valley Rgnl AP meeting 30 C (86 F).
First to last qualifying date each year at Twin Falls Sun Valley Rgnl AP
YearFirst dateLast date
19981998-06-291998-09-17
19991999-06-131999-09-22
20002000-04-272000-09-16
20012001-05-122001-09-27
20022002-05-192002-09-15
20032003-05-232003-09-06
20042004-05-042004-09-11
20052005-06-202005-09-09
20062006-05-152006-09-06
20072007-05-112007-09-14
20082008-05-162008-09-29
20092009-05-172009-09-28
20102010-06-232010-10-03
20112011-06-052011-10-03
20122012-04-222012-09-22
20132013-05-112013-09-20
20142014-05-272014-09-25
20152015-05-302015-10-10
20162016-06-042016-08-31
20172017-05-312017-09-12
20182018-04-272018-09-07
20192019-06-122019-09-15
20202020-04-292020-09-17
20212021-04-302021-09-10
20222022-05-262022-09-28
20232023-04-302023-09-17
20242024-05-282024-10-09
20252025-05-092025-09-04

Every Fixed Threshold

Fixed thresholds at Twin Falls Sun Valley Rgnl AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2885201364
35 C (95 F): Days283220136
40 C (104 F): Days5320031
90 F (32.2 C): Days2866201330
100 F (37.8 C): Days221020135
0 C (32 F): Ice days (max2845202210
0 C (32 F): Frost days (min281662022115
-10 C (14 F): Days with min2838202210
-20 C (-4 F): Days with min8420132
20 C (68 F): Tropical nights (min231120034
25 C (77 F): Days with min1120031
10 mm (0.39 in): Days with 10 mm or more rain261120162
25 mm (0.98 in): Days with 25 mm or more rain7220141
50 mm (1.97 in): Days with 50 mm or more rain1120141

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Twin Falls Sun Valley Rgnl AP 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 (2025-12-31).