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Built 2026-10-19 (19 October 2026)

Island Park Threshold Days by Year (USS0011E10S)

11 fixed thresholds counted per year at Island Park (USS0011E10S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Island Park Thresholds

  • Island Park: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1996 with 42.
  • Island Park: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 2002 with 85.
  • Island Park: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2007 with 45.
  • Island Park: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1995 with 5.
  • 11 fixed thresholds have at least one qualifying day at Island Park.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Island Park Days per year at Island Park with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2007. 02040601989: 31990: 41992: 41994: 101996: 101997: 11998: 91999: 32000: 202001: 182002: 172003: 332004: 72005: 102006: 242007: 452008: 172009: 92010: 82011: 132012: 312013: 432014: 102015: 142016: 192017: 202018: 142019: 172020: 132021: 282022: 362023: 102024: 272025: 162026: 21198919962000200420082012201620202024
Days per year at Island Park with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2007.
Days at or above 30 C (86 F) per year at Island Park
YearDaysDecade average
198933
199045.9
199245.9
1994105.9
1996105.9
199715.9
199895.9
199935.9
20002020
20011820
20021720
20033320
2004720
20051020
20062420
20074520
20081720
2009920
2010818.9
20111318.9
20123118.9
20134318.9
20141018.9
20151418.9
20161918.9
20172018.9
20181418.9
20191718.9
20201321.6
20212821.6
20223621.6
20231021.6
20242721.6
20251621.6
20262121.6
First to last qualifying date each year at Island Park For each year, a bar from the first to the last day at Island Park meeting 30 C (86 F). 1989: 19 July 1989 to 31 July 19891990: 6 August 1990 to 9 August 19901992: 31 July 1992 to 14 August 19921994: 20 June 1994 to 20 August 19941996: 2 July 1996 to 26 August 19961997: 3 August 1997 to 3 August 19971998: 16 July 1998 to 5 September 19981999: 27 July 1999 to 2 August 19992000: 12 July 2000 to 15 September 20002001: 1 July 2001 to 4 September 20012002: 14 June 2002 to 24 July 20022003: 28 May 2003 to 4 September 20032004: 14 July 2004 to 14 August 20042005: 12 July 2005 to 21 August 20052006: 7 June 2006 to 4 September 20062007: 27 June 2007 to 3 September 20072008: 29 June 2008 to 30 August 20082009: 18 July 2009 to 28 August 20092010: 16 July 2010 to 2 October 20102011: 3 July 2011 to 28 August 20112012: 24 June 2012 to 28 August 20122013: 28 June 2013 to 6 September 20132014: 4 July 2014 to 11 August 20142015: 26 June 2015 to 25 August 20152016: 27 June 2016 to 31 August 20162017: 5 July 2017 to 3 September 20172018: 5 July 2018 to 6 September 20182019: 11 July 2019 to 4 September 20192020: 27 July 2020 to 6 September 20202021: 3 June 2021 to 9 September 20212022: 8 July 2022 to 7 September 20222023: 16 July 2023 to 17 August 20232024: 23 June 2024 to 8 September 20242025: 1 July 2025 to 24 August 20252026: 11 July 2026 to 21 August 20261989199720022007201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Island Park meeting 30 C (86 F).
First to last qualifying date each year at Island Park
YearFirst dateLast date
19891989-07-191989-07-31
19901990-08-061990-08-09
19921992-07-311992-08-14
19941994-06-201994-08-20
19961996-07-021996-08-26
19971997-08-031997-08-03
19981998-07-161998-09-05
19991999-07-271999-08-02
20002000-07-122000-09-15
20012001-07-012001-09-04
20022002-06-142002-07-24
20032003-05-282003-09-04
20042004-07-142004-08-14
20052005-07-122005-08-21
20062006-06-072006-09-04
20072007-06-272007-09-03
20082008-06-292008-08-30
20092009-07-182009-08-28
20102010-07-162010-10-02
20112011-07-032011-08-28
20122012-06-242012-08-28
20132013-06-282013-09-06
20142014-07-042014-08-11
20152015-06-262015-08-25
20162016-06-272016-08-31
20172017-07-052017-09-03
20182018-07-052018-09-06
20192019-07-112019-09-04
20202020-07-272020-09-06
20212021-06-032021-09-09
20222022-07-082022-09-07
20232023-07-162023-08-17
20242024-06-232024-09-08
20252025-07-012025-08-24
20262026-07-112026-08-21

Every Fixed Threshold

Fixed thresholds at Island Park
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3545200721
35 C (95 F): Days6520071
90 F (32.2 C): Days282220035
0 C (32 F): Ice days (max3885200226
0 C (32 F): Frost days (min332741999157
-10 C (14 F): Days with min33113200841
-20 C (-4 F): Days with min334819979
-30 C (-22 F): Days with min30720073
10 mm (0.39 in): Days with 10 mm or more rain4442199616
25 mm (0.98 in): Days with 25 mm or more rain34519951
50 mm (1.97 in): Days with 50 mm or more rain1119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Island Park 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).