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Data as of 2026-10-13
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Built 2026-10-15 (15 October 2026)

Slide Mountain Oregon Threshold Days by Year

9 fixed thresholds counted per year at Slide Mountain Oregon (USR0000OSLI): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Slide Mountain Oregon Thresholds

  • Slide Mountain Oregon: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2011 with 213.
  • Slide Mountain Oregon: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1990 with 32.
  • Slide Mountain Oregon: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1998 with 71.
  • Slide Mountain Oregon: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2024 with 21.
  • 9 fixed thresholds have at least one qualifying day at Slide Mountain Oregon.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Slide Mountain Oregon Days per year at Slide Mountain Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 2024. 01020301987: 11988: 61990: 41992: 51994: 41996: 61997: 11998: 82000: 42001: 12002: 62003: 142009: 102010: 42012: 62013: 52015: 122016: 12017: 182018: 92019: 12020: 112021: 202022: 202023: 92024: 212025: 92026: 41987199219972001200920132017202020232026
Days per year at Slide Mountain Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 2024.
Days at or above 30 C (86 F) per year at Slide Mountain Oregon
YearDaysDecade average
198713.5
198863.5
199044.7
199254.7
199444.7
199664.7
199714.7
199884.7
200047
200117
200267
2003147
2009107
201047
201267
201357
2015127
201617
2017187
201897
201917
20201113.4
20212013.4
20222013.4
2023913.4
20242113.4
2025913.4
2026413.4
First to last qualifying date each year at Slide Mountain Oregon For each year, a bar from the first to the last day at Slide Mountain Oregon meeting 30 C (86 F). 1987: 14 July 1987 to 14 July 19871988: 20 July 1988 to 4 September 19881990: 11 July 1990 to 12 August 19901992: 23 June 1992 to 18 August 19921994: 21 July 1994 to 13 August 19941996: 26 July 1996 to 24 August 19961997: 6 August 1997 to 6 August 19971998: 26 July 1998 to 4 September 19982000: 21 July 2000 to 8 August 20002001: 15 August 2001 to 15 August 20012002: 10 July 2002 to 14 August 20022003: 11 July 2003 to 3 September 20032009: 21 July 2009 to 23 September 20092010: 9 July 2010 to 25 August 20102012: 5 August 2012 to 17 August 20122013: 1 July 2013 to 26 July 20132015: 26 June 2015 to 13 August 20152016: 29 July 2016 to 29 July 20162017: 25 June 2017 to 5 September 20172018: 13 July 2018 to 10 August 20182019: 28 August 2019 to 28 August 20192020: 21 July 2020 to 4 September 20202021: 26 June 2021 to 15 August 20212022: 12 July 2022 to 6 September 20222023: 15 July 2023 to 28 August 20232024: 6 July 2024 to 6 September 20242025: 7 July 2025 to 2 September 20252026: 22 July 2026 to 20 August 20261987199420002009201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Slide Mountain Oregon meeting 30 C (86 F).
First to last qualifying date each year at Slide Mountain Oregon
YearFirst dateLast date
19871987-07-141987-07-14
19881988-07-201988-09-04
19901990-07-111990-08-12
19921992-06-231992-08-18
19941994-07-211994-08-13
19961996-07-261996-08-24
19971997-08-061997-08-06
19981998-07-261998-09-04
20002000-07-212000-08-08
20012001-08-152001-08-15
20022002-07-102002-08-14
20032003-07-112003-09-03
20092009-07-212009-09-23
20102010-07-092010-08-25
20122012-08-052012-08-17
20132013-07-012013-07-26
20152015-06-262015-08-13
20162016-07-292016-07-29
20172017-06-252017-09-05
20182018-07-132018-08-10
20192019-08-282019-08-28
20202020-07-212020-09-04
20212021-06-262021-08-15
20222022-07-122022-09-06
20232023-07-152023-08-28
20242024-07-062024-09-06
20252025-07-072025-09-02
20262026-07-222026-08-20

Every Fixed Threshold

Fixed thresholds at Slide Mountain Oregon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days282120244
35 C (95 F): Days4120021
90 F (32.2 C): Days18720221
0 C (32 F): Ice days (max347119987
0 C (32 F): Frost days (min35213201196
-10 C (14 F): Days with min353219902
-20 C (-4 F): Days with min15619903
-30 C (-22 F): Days with min2219891
20 C (68 F): Tropical nights (min2320211

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 Slide 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-13).