Riddle Mountain Oregon Threshold Days by Year
9 fixed thresholds counted per year at Riddle Mountain Oregon (USR0000ORID): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Riddle Mountain Oregon Thresholds
- Riddle Mountain Oregon: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2022 with 39.
- Riddle Mountain Oregon: days with a maximum temperature at or below 0 C (32 F) in 36 years, most in 2023 with 57.
- Riddle Mountain Oregon: nights with a minimum temperature at or below 0 C (32 F) in 36 years, most in 2008 with 178.
- Riddle Mountain Oregon: nights with a minimum temperature at or below -10 C (14 F) in 36 years, most in 2008 with 26.
- 9 fixed thresholds have at least one qualifying day at Riddle Mountain Oregon.
Days at or above 30 C (86 F)
36 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1991 | 12 | 13.4 |
| 1992 | 18 | 13.4 |
| 1993 | 2 | 13.4 |
| 1994 | 18 | 13.4 |
| 1995 | 9 | 13.4 |
| 1996 | 21 | 13.4 |
| 1997 | 8 | 13.4 |
| 1998 | 22 | 13.4 |
| 1999 | 11 | 13.4 |
| 2000 | 18 | 22.7 |
| 2001 | 24 | 22.7 |
| 2002 | 22 | 22.7 |
| 2003 | 32 | 22.7 |
| 2004 | 20 | 22.7 |
| 2005 | 20 | 22.7 |
| 2006 | 26 | 22.7 |
| 2007 | 29 | 22.7 |
| 2008 | 19 | 22.7 |
| 2009 | 17 | 22.7 |
| 2010 | 16 | 20.8 |
| 2011 | 9 | 20.8 |
| 2012 | 27 | 20.8 |
| 2013 | 34 | 20.8 |
| 2014 | 19 | 20.8 |
| 2015 | 22 | 20.8 |
| 2016 | 14 | 20.8 |
| 2017 | 32 | 20.8 |
| 2018 | 21 | 20.8 |
| 2019 | 14 | 20.8 |
| 2020 | 20 | 23.7 |
| 2021 | 29 | 23.7 |
| 2022 | 39 | 23.7 |
| 2023 | 13 | 23.7 |
| 2024 | 28 | 23.7 |
| 2025 | 13 | 23.7 |
| 2026 | 24 | 23.7 |
| Year | First date | Last date |
|---|---|---|
| 1991 | 1991-07-03 | 1991-08-22 |
| 1992 | 1992-06-22 | 1992-09-22 |
| 1993 | 1993-08-03 | 1993-09-10 |
| 1994 | 1994-07-08 | 1994-08-14 |
| 1995 | 1995-07-27 | 1995-09-15 |
| 1996 | 1996-06-07 | 1996-08-30 |
| 1997 | 1997-07-14 | 1997-08-22 |
| 1998 | 1998-07-09 | 1998-09-15 |
| 1999 | 1999-06-14 | 1999-08-26 |
| 2000 | 2000-06-04 | 2000-09-14 |
| 2001 | 2001-06-21 | 2001-08-30 |
| 2002 | 2002-06-25 | 2002-09-14 |
| 2003 | 2003-05-28 | 2003-09-28 |
| 2004 | 2004-06-23 | 2004-08-31 |
| 2005 | 2005-07-05 | 2005-08-28 |
| 2006 | 2006-06-24 | 2006-09-06 |
| 2007 | 2007-07-04 | 2007-09-03 |
| 2008 | 2008-06-29 | 2008-08-29 |
| 2009 | 2009-07-16 | 2009-08-28 |
| 2010 | 2010-06-28 | 2010-09-30 |
| 2011 | 2011-07-06 | 2011-09-23 |
| 2012 | 2012-07-06 | 2012-09-08 |
| 2013 | 2013-06-27 | 2013-08-31 |
| 2014 | 2014-07-01 | 2014-08-10 |
| 2015 | 2015-06-09 | 2015-09-12 |
| 2016 | 2016-06-28 | 2016-08-20 |
| 2017 | 2017-06-19 | 2017-09-06 |
| 2018 | 2018-07-09 | 2018-09-05 |
| 2019 | 2019-07-12 | 2019-09-04 |
| 2020 | 2020-06-23 | 2020-09-13 |
| 2021 | 2021-06-21 | 2021-09-09 |
| 2022 | 2022-06-27 | 2022-09-07 |
| 2023 | 2023-07-15 | 2023-08-28 |
| 2024 | 2024-06-22 | 2024-09-01 |
| 2025 | 2025-05-31 | 2025-09-02 |
| 2026 | 2026-06-16 | 2026-08-26 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 36 | 39 | 2022 | 24 |
| 35 C (95 F): Days | 7 | 4 | 2002 | 4 |
| 90 F (32.2 C): Days | 33 | 18 | 2007 | 8 |
| 0 C (32 F): Ice days (max | 36 | 57 | 2023 | 8 |
| 0 C (32 F): Frost days (min | 36 | 178 | 2008 | 69 |
| -10 C (14 F): Days with min | 36 | 26 | 2008 | 4 |
| -20 C (-4 F): Days with min | 2 | 2 | 1998 | 2 |
| 20 C (68 F): Tropical nights (min | 31 | 15 | 2017 | 4 |
| 25 C (77 F): Days with min | 2 | 2 | 2002 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.
Download the Data
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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-15).