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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Pierce Idaho Threshold Days by Year

10 fixed thresholds counted per year at Pierce Idaho (USR0000IPIE): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pierce Idaho Thresholds

  • Pierce Idaho: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 2017 with 58.
  • Pierce Idaho: days with a maximum temperature at or above 35 C (95 F) in 22 years, most in 2007 with 20.
  • Pierce Idaho: days with a maximum temperature at or above 90 F (32.2 C) in 22 years, most in 2006 with 37.
  • Pierce Idaho: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 2008 with 30.
  • 10 fixed thresholds have at least one qualifying day at Pierce Idaho.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Pierce Idaho Days per year at Pierce Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2017. 02040602004: 452005: 412006: 552007: 572008: 352009: 472010: 372011: 572012: 482013: 512014: 402015: 382016: 312017: 582018: 322019: 252020: 292021: 502022: 472023: 382024: 422025: 4620042007201020132016201920222025
Days per year at Pierce Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2017.
Days at or above 30 C (86 F) per year at Pierce Idaho
YearDaysDecade average
20044546.7
20054146.7
20065546.7
20075746.7
20083546.7
20094746.7
20103741.7
20115741.7
20124841.7
20135141.7
20144041.7
20153841.7
20163141.7
20175841.7
20183241.7
20192541.7
20202942
20215042
20224742
20233842
20244242
20254642
First to last qualifying date each year at Pierce Idaho For each year, a bar from the first to the last day at Pierce Idaho meeting 30 C (86 F). 2004: 20 May 2004 to 31 August 20042005: 28 May 2005 to 8 September 20052006: 14 May 2006 to 12 September 20062007: 16 May 2007 to 11 September 20072008: 17 May 2008 to 1 October 20082009: 18 May 2009 to 28 September 20092010: 24 June 2010 to 2 October 20102011: 5 June 2011 to 30 September 20112012: 22 April 2012 to 21 September 20122013: 16 June 2013 to 15 September 20132014: 1 July 2014 to 21 September 20142015: 8 June 2015 to 12 September 20152016: 4 June 2016 to 28 September 20162017: 29 May 2017 to 12 September 20172018: 3 June 2018 to 19 August 20182019: 13 June 2019 to 5 September 20192020: 30 May 2020 to 12 September 20202021: 2 June 2021 to 7 September 20212022: 26 June 2022 to 27 September 20222023: 30 April 2023 to 16 September 20232024: 22 June 2024 to 9 September 20242025: 28 May 2025 to 28 September 202520042007201020132016201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pierce Idaho meeting 30 C (86 F).
First to last qualifying date each year at Pierce Idaho
YearFirst dateLast date
20042004-05-202004-08-31
20052005-05-282005-09-08
20062006-05-142006-09-12
20072007-05-162007-09-11
20082008-05-172008-10-01
20092009-05-182009-09-28
20102010-06-242010-10-02
20112011-06-052011-09-30
20122012-04-222012-09-21
20132013-06-162013-09-15
20142014-07-012014-09-21
20152015-06-082015-09-12
20162016-06-042016-09-28
20172017-05-292017-09-12
20182018-06-032018-08-19
20192019-06-132019-09-05
20202020-05-302020-09-12
20212021-06-022021-09-07
20222022-06-262022-09-27
20232023-04-302023-09-16
20242024-06-222024-09-09
20252025-05-282025-09-28

Every Fixed Threshold

Fixed thresholds at Pierce Idaho
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2258201746
35 C (95 F): Days222020077
40 C (104 F): Days2120151
90 F (32.2 C): Days2237200623
100 F (37.8 C): Days17520071
0 C (32 F): Ice days (max2230200817
0 C (32 F): Frost days (min222332005178
-10 C (14 F): Days with min2251200919
-20 C (-4 F): Days with min16820083
-30 C (-22 F): Days with min1120241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2004.

Download the Data

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

Data as of . Last revised (2025-12-31).