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Built 2026-10-16 (16 October 2026)

Case Oregon Threshold Days by Year

11 fixed thresholds counted per year at Case Oregon (USR0000OCAS): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Case Oregon Thresholds

  • Case Oregon: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2017 with 60.
  • Case Oregon: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2021 with 37.
  • Case Oregon: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 1989 with 25.
  • Case Oregon: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 2008 with 184.
  • 11 fixed thresholds have at least one qualifying day at Case Oregon.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Case Oregon Days per year at Case Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 2017. 02040601989: 161990: 351998: 461999: 312000: 292001: 362002: 322003: 472004: 342005: 352006: 512007: 462008: 362009: 462010: 262011: 392012: 372013: 492014: 442015: 412016: 302017: 602018: 332019: 272020: 442021: 542022: 542023: 332024: 502025: 442026: 4719892000200420082012201620202024
Days per year at Case Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 2017.
Days at or above 30 C (86 F) per year at Case Oregon
YearDaysDecade average
19891616
19903537.3
19984637.3
19993137.3
20002939.2
20013639.2
20023239.2
20034739.2
20043439.2
20053539.2
20065139.2
20074639.2
20083639.2
20094639.2
20102638.6
20113938.6
20123738.6
20134938.6
20144438.6
20154138.6
20163038.6
20176038.6
20183338.6
20192738.6
20204446.6
20215446.6
20225446.6
20233346.6
20245046.6
20254446.6
20264746.6
First to last qualifying date each year at Case Oregon For each year, a bar from the first to the last day at Case Oregon meeting 30 C (86 F). 1989: 6 July 1989 to 24 September 19891990: 25 June 1990 to 22 September 19901998: 7 July 1998 to 17 September 19981999: 14 June 1999 to 21 September 19992000: 4 June 2000 to 14 September 20002001: 22 May 2001 to 24 September 20012002: 14 June 2002 to 15 September 20022003: 17 June 2003 to 28 September 20032004: 21 June 2004 to 31 August 20042005: 30 June 2005 to 28 August 20052006: 15 May 2006 to 12 September 20062007: 1 June 2007 to 12 September 20072008: 16 May 2008 to 1 October 20082009: 21 April 2009 to 23 September 20092010: 8 July 2010 to 2 October 20102011: 22 June 2011 to 30 September 20112012: 6 July 2012 to 21 September 20122013: 28 June 2013 to 15 September 20132014: 1 July 2014 to 21 September 20142015: 7 June 2015 to 12 September 20152016: 4 June 2016 to 26 September 20162017: 29 May 2017 to 12 September 20172018: 5 July 2018 to 6 September 20182019: 12 June 2019 to 5 September 20192020: 30 May 2020 to 2 October 20202021: 1 June 2021 to 9 September 20212022: 26 June 2022 to 27 September 20222023: 30 June 2023 to 16 September 20232024: 22 June 2024 to 28 September 20242025: 28 May 2025 to 24 September 20252026: 12 May 2026 to 4 October 202619892000200420082012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Case Oregon meeting 30 C (86 F).
First to last qualifying date each year at Case Oregon
YearFirst dateLast date
19891989-07-061989-09-24
19901990-06-251990-09-22
19981998-07-071998-09-17
19991999-06-141999-09-21
20002000-06-042000-09-14
20012001-05-222001-09-24
20022002-06-142002-09-15
20032003-06-172003-09-28
20042004-06-212004-08-31
20052005-06-302005-08-28
20062006-05-152006-09-12
20072007-06-012007-09-12
20082008-05-162008-10-01
20092009-04-212009-09-23
20102010-07-082010-10-02
20112011-06-222011-09-30
20122012-07-062012-09-21
20132013-06-282013-09-15
20142014-07-012014-09-21
20152015-06-072015-09-12
20162016-06-042016-09-26
20172017-05-292017-09-12
20182018-07-052018-09-06
20192019-06-122019-09-05
20202020-05-302020-10-02
20212021-06-012021-09-09
20222022-06-262022-09-27
20232023-06-302023-09-16
20242024-06-222024-09-28
20252025-05-282025-09-24
20262026-05-122026-10-04

Every Fixed Threshold

Fixed thresholds at Case Oregon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3160201747
35 C (95 F): Days291620214
40 C (104 F): Days3120071
90 F (32.2 C): Days3137202125
100 F (37.8 C): Days15520212
0 C (32 F): Ice days (max312519892
0 C (32 F): Frost days (min31184200878
-10 C (14 F): Days with min312420091
-20 C (-4 F): Days with min17619891
-30 C (-22 F): Days with min1119891
20 C (68 F): Tropical nights (min3120021

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 Case Oregon 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 (2026-10-14).