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Built 2026-10-16 (16 October 2026)

Mt. Yoncalla Oregon Threshold Days by Year

9 fixed thresholds counted per year at Mt. Yoncalla Oregon (USR0000OMTY): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mt. Yoncalla Oregon Thresholds

  • Mt. Yoncalla Oregon: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2014 with 66.
  • Mt. Yoncalla Oregon: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 2014 with 42.
  • Mt. Yoncalla Oregon: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 2011 with 62.
  • Mt. Yoncalla Oregon: days with a maximum temperature at or above 35 C (95 F) in 28 years, most in 2014 with 17.
  • 9 fixed thresholds have at least one qualifying day at Mt. Yoncalla Oregon.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Mt. Yoncalla Oregon Days per year at Mt. Yoncalla Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2014. 0204060801989: 111990: 221991: 271992: 301993: 101994: 131995: 181997: 121998: 261999: 172000: 162001: 182002: 332003: 422004: 292005: 342006: 372007: 202009: 322010: 192011: 192012: 192014: 662015: 452016: 332017: 412018: 312019: 132020: 302021: 482022: 322023: 392024: 372026: 32198919931998200220062011201620202024
Days per year at Mt. Yoncalla Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2014.
Days at or above 30 C (86 F) per year at Mt. Yoncalla Oregon
YearDaysDecade average
19891111
19902219.4
19912719.4
19923019.4
19931019.4
19941319.4
19951819.4
19971219.4
19982619.4
19991719.4
20001629
20011829
20023329
20034229
20042929
20053429
20063729
20072029
20093229
20101931.8
20111931.8
20121931.8
20146631.8
20154531.8
20163331.8
20174131.8
20183131.8
20191331.8
20203036.3
20214836.3
20223236.3
20233936.3
20243736.3
20263236.3
First to last qualifying date each year at Mt. Yoncalla Oregon For each year, a bar from the first to the last day at Mt. Yoncalla Oregon meeting 30 C (86 F). 1989: 24 June 1989 to 23 September 19891990: 4 May 1990 to 21 September 19901991: 2 July 1991 to 15 October 19911992: 3 May 1992 to 28 September 19921993: 1 August 1993 to 29 September 19931994: 7 July 1994 to 22 September 19941995: 29 May 1995 to 22 September 19951997: 11 May 1997 to 24 September 19971998: 29 April 1998 to 14 September 19981999: 15 April 1999 to 22 September 19992000: 26 June 2000 to 12 September 20002001: 22 May 2001 to 1 October 20012002: 12 June 2002 to 25 September 20022003: 23 May 2003 to 27 September 20032004: 26 April 2004 to 31 August 20042005: 25 May 2005 to 8 September 20052006: 15 May 2006 to 29 September 20062007: 29 May 2007 to 10 September 20072009: 17 May 2009 to 22 September 20092010: 7 July 2010 to 27 September 20102011: 5 July 2011 to 29 September 20112012: 12 May 2012 to 28 September 20122014: 30 April 2014 to 4 October 20142015: 27 April 2015 to 5 October 20152016: 7 April 2016 to 26 September 20162017: 22 May 2017 to 28 September 20172018: 19 June 2018 to 28 September 20182019: 10 May 2019 to 5 September 20192020: 28 May 2020 to 2 October 20202021: 31 May 2021 to 24 September 20212022: 25 June 2022 to 26 September 20222023: 28 April 2023 to 15 September 20232024: 10 May 2024 to 7 October 20242026: 3 May 2026 to 31 August 20261989199420002005201120172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mt. Yoncalla Oregon meeting 30 C (86 F).
First to last qualifying date each year at Mt. Yoncalla Oregon
YearFirst dateLast date
19891989-06-241989-09-23
19901990-05-041990-09-21
19911991-07-021991-10-15
19921992-05-031992-09-28
19931993-08-011993-09-29
19941994-07-071994-09-22
19951995-05-291995-09-22
19971997-05-111997-09-24
19981998-04-291998-09-14
19991999-04-151999-09-22
20002000-06-262000-09-12
20012001-05-222001-10-01
20022002-06-122002-09-25
20032003-05-232003-09-27
20042004-04-262004-08-31
20052005-05-252005-09-08
20062006-05-152006-09-29
20072007-05-292007-09-10
20092009-05-172009-09-22
20102010-07-072010-09-27
20112011-07-052011-09-29
20122012-05-122012-09-28
20142014-04-302014-10-04
20152015-04-272015-10-05
20162016-04-072016-09-26
20172017-05-222017-09-28
20182018-06-192018-09-28
20192019-05-102019-09-05
20202020-05-282020-10-02
20212021-05-312021-09-24
20222022-06-252022-09-26
20232023-04-282023-09-15
20242024-05-102024-10-07
20262026-05-032026-08-31

Every Fixed Threshold

Fixed thresholds at Mt. Yoncalla Oregon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3466201432
35 C (95 F): Days281720143
40 C (104 F): Days3120091
90 F (32.2 C): Days3442201415
100 F (37.8 C): Days14420244
0 C (32 F): Ice days (max181419931
0 C (32 F): Frost days (min3462201119
-10 C (14 F): Days with min6919901
20 C (68 F): Tropical nights (min10420064

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 Mt. Yoncalla 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).