Grandad Oregon Threshold Days by Year
9 fixed thresholds counted per year at Grandad Oregon (USR0000OGAD): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grandad Oregon Thresholds
- Grandad Oregon: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2003 with 76.
- Grandad Oregon: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 2003 with 62.
- Grandad Oregon: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2011 with 110.
- Grandad Oregon: days with a maximum temperature at or above 35 C (95 F) in 34 years, most in 2003 with 33.
- 9 fixed thresholds have at least one qualifying day at Grandad Oregon.
Days at or above 30 C (86 F)
36 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1988 | 46 | 31 |
| 1989 | 16 | 31 |
| 1990 | 42 | 36.1 |
| 1991 | 51 | 36.1 |
| 1992 | 38 | 36.1 |
| 1993 | 16 | 36.1 |
| 1994 | 26 | 36.1 |
| 1995 | 28 | 36.1 |
| 1996 | 45 | 36.1 |
| 1997 | 29 | 36.1 |
| 1999 | 50 | 36.1 |
| 2000 | 41 | 61 |
| 2001 | 59 | 61 |
| 2003 | 76 | 61 |
| 2004 | 63 | 61 |
| 2005 | 56 | 61 |
| 2006 | 72 | 61 |
| 2007 | 51 | 61 |
| 2008 | 70 | 61 |
| 2010 | 45 | 43.5 |
| 2011 | 27 | 43.5 |
| 2012 | 35 | 43.5 |
| 2013 | 42 | 43.5 |
| 2014 | 55 | 43.5 |
| 2015 | 51 | 43.5 |
| 2016 | 47 | 43.5 |
| 2017 | 55 | 43.5 |
| 2018 | 44 | 43.5 |
| 2019 | 34 | 43.5 |
| 2020 | 57 | 55.6 |
| 2021 | 50 | 55.6 |
| 2022 | 65 | 55.6 |
| 2023 | 57 | 55.6 |
| 2024 | 48 | 55.6 |
| 2025 | 59 | 55.6 |
| 2026 | 53 | 55.6 |
| Year | First date | Last date |
|---|---|---|
| 1988 | 1988-05-11 | 1988-10-09 |
| 1989 | 1989-06-24 | 1989-09-23 |
| 1990 | 1990-05-04 | 1990-09-22 |
| 1991 | 1991-06-09 | 1991-10-14 |
| 1992 | 1992-05-03 | 1992-09-29 |
| 1993 | 1993-06-18 | 1993-09-29 |
| 1994 | 1994-07-07 | 1994-09-27 |
| 1995 | 1995-05-29 | 1995-09-22 |
| 1996 | 1996-06-02 | 1996-10-09 |
| 1997 | 1997-05-11 | 1997-09-25 |
| 1999 | 1999-05-23 | 1999-09-29 |
| 2000 | 2000-05-21 | 2000-09-20 |
| 2001 | 2001-05-11 | 2001-10-01 |
| 2003 | 2003-05-23 | 2003-10-26 |
| 2004 | 2004-04-25 | 2004-10-14 |
| 2005 | 2005-05-25 | 2005-09-28 |
| 2006 | 2006-04-28 | 2006-09-29 |
| 2007 | 2007-05-07 | 2007-09-26 |
| 2008 | 2008-05-15 | 2008-10-26 |
| 2010 | 2010-06-27 | 2010-09-30 |
| 2011 | 2011-06-21 | 2011-09-29 |
| 2012 | 2012-05-13 | 2012-10-01 |
| 2013 | 2013-06-05 | 2013-09-14 |
| 2014 | 2014-04-30 | 2014-10-06 |
| 2015 | 2015-06-06 | 2015-10-15 |
| 2016 | 2016-04-06 | 2016-09-26 |
| 2017 | 2017-05-03 | 2017-09-11 |
| 2018 | 2018-06-19 | 2018-09-27 |
| 2019 | 2019-06-01 | 2019-09-05 |
| 2020 | 2020-05-08 | 2020-10-06 |
| 2021 | 2021-05-31 | 2021-09-24 |
| 2022 | 2022-06-25 | 2022-10-16 |
| 2023 | 2023-04-28 | 2023-10-06 |
| 2024 | 2024-06-07 | 2024-10-07 |
| 2025 | 2025-05-30 | 2025-09-27 |
| 2026 | 2026-06-13 | 2026-10-08 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 36 | 76 | 2003 | 53 |
| 35 C (95 F): Days | 34 | 33 | 2003 | 11 |
| 40 C (104 F): Days | 12 | 8 | 2003 | 1 |
| 90 F (32.2 C): Days | 36 | 62 | 2003 | 25 |
| 100 F (37.8 C): Days | 22 | 17 | 2003 | 1 |
| 0 C (32 F): Ice days (max | 25 | 12 | 1990 | 42 |
| 0 C (32 F): Frost days (min | 35 | 110 | 2011 | 117 |
| -10 C (14 F): Days with min | 11 | 8 | 2025 | 19 |
| 20 C (68 F): Tropical nights (min | 16 | 5 | 2022 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-14).