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Built 2026-10-18 (18 October 2026)

Yellowstone Mountain Oregon Threshold Days by Year

11 fixed thresholds counted per year at Yellowstone Mountain Oregon (USR0000OYEL): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Yellowstone Mountain Oregon Thresholds

  • Yellowstone Mountain Oregon: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 2011 with 133.
  • Yellowstone Mountain Oregon: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1996 with 38.
  • Yellowstone Mountain Oregon: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 1996 with 26.
  • Yellowstone Mountain Oregon: days with a maximum temperature at or below 0 C (32 F) in 36 years, most in 1990 with 23.
  • 11 fixed thresholds have at least one qualifying day at Yellowstone Mountain Oregon.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Yellowstone Mountain Oregon Days per year at Yellowstone Mountain Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1996. 0102030401987: 71990: 231991: 261992: 321993: 191994: 211995: 201996: 381997: 121998: 221999: 122000: 52001: 142002: 232003: 312004: 222005: 182006: 302007: 102010: 192011: 202012: 212013: 242014: 312015: 212016: 142017: 252018: 222019: 52020: 202021: 232022: 362023: 162024: 302025: 282026: 15198719931997200120052011201520192023
Days per year at Yellowstone Mountain Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1996.
Days at or above 30 C (86 F) per year at Yellowstone Mountain Oregon
YearDaysDecade average
198777
19902322.5
19912622.5
19923222.5
19931922.5
19942122.5
19952022.5
19963822.5
19971222.5
19982222.5
19991222.5
2000519.1
20011419.1
20022319.1
20033119.1
20042219.1
20051819.1
20063019.1
20071019.1
20101920.2
20112020.2
20122120.2
20132420.2
20143120.2
20152120.2
20161420.2
20172520.2
20182220.2
2019520.2
20202024
20212324
20223624
20231624
20243024
20252824
20261524
First to last qualifying date each year at Yellowstone Mountain Oregon For each year, a bar from the first to the last day at Yellowstone Mountain Oregon meeting 30 C (86 F). 1987: 6 May 1987 to 1 October 19871990: 4 May 1990 to 22 September 19901991: 2 July 1991 to 14 October 19911992: 3 May 1992 to 29 September 19921993: 31 July 1993 to 3 October 19931994: 7 July 1994 to 27 September 19941995: 29 May 1995 to 22 September 19951996: 2 June 1996 to 9 October 19961997: 10 May 1997 to 24 September 19971998: 16 July 1998 to 15 September 19981999: 23 May 1999 to 20 September 19992000: 27 June 2000 to 13 September 20002001: 21 May 2001 to 30 September 20012002: 12 June 2002 to 23 September 20022003: 4 June 2003 to 28 September 20032004: 17 June 2004 to 31 August 20042005: 26 May 2005 to 25 August 20052006: 15 May 2006 to 26 September 20062007: 4 July 2007 to 11 September 20072010: 6 July 2010 to 30 September 20102011: 5 July 2011 to 29 September 20112012: 13 May 2012 to 1 October 20122013: 11 May 2013 to 14 September 20132014: 1 May 2014 to 6 October 20142015: 7 June 2015 to 11 September 20152016: 4 June 2016 to 26 September 20162017: 23 June 2017 to 11 September 20172018: 24 June 2018 to 21 August 20182019: 11 June 2019 to 5 September 20192020: 23 June 2020 to 1 October 20202021: 1 June 2021 to 24 September 20212022: 25 June 2022 to 6 October 20222023: 28 April 2023 to 15 September 20232024: 7 June 2024 to 24 September 20242025: 30 May 2025 to 23 September 20252026: 14 June 2026 to 9 September 202619871994199920042011201620212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Yellowstone Mountain Oregon meeting 30 C (86 F).
First to last qualifying date each year at Yellowstone Mountain Oregon
YearFirst dateLast date
19871987-05-061987-10-01
19901990-05-041990-09-22
19911991-07-021991-10-14
19921992-05-031992-09-29
19931993-07-311993-10-03
19941994-07-071994-09-27
19951995-05-291995-09-22
19961996-06-021996-10-09
19971997-05-101997-09-24
19981998-07-161998-09-15
19991999-05-231999-09-20
20002000-06-272000-09-13
20012001-05-212001-09-30
20022002-06-122002-09-23
20032003-06-042003-09-28
20042004-06-172004-08-31
20052005-05-262005-08-25
20062006-05-152006-09-26
20072007-07-042007-09-11
20102010-07-062010-09-30
20112011-07-052011-09-29
20122012-05-132012-10-01
20132013-05-112013-09-14
20142014-05-012014-10-06
20152015-06-072015-09-11
20162016-06-042016-09-26
20172017-06-232017-09-11
20182018-06-242018-08-21
20192019-06-112019-09-05
20202020-06-232020-10-01
20212021-06-012021-09-24
20222022-06-252022-10-06
20232023-04-282023-09-15
20242024-06-072024-09-24
20252025-05-302025-09-23
20262026-06-142026-09-09

Every Fixed Threshold

Fixed thresholds at Yellowstone Mountain Oregon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3638199615
35 C (95 F): Days271719964
40 C (104 F): Days3119921
90 F (32.2 C): Days362619968
100 F (37.8 C): Days8419961
0 C (32 F): Ice days (max362319901
0 C (32 F): Frost days (min37133201137
-10 C (14 F): Days with min19919901
-20 C (-4 F): Days with min1219902
20 C (68 F): Tropical nights (min311020221
25 C (77 F): Days with min2120171

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • Data for Yellowstone Mountain 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).