Silvies Threshold Days by Year (USS0018G01S)
9 fixed thresholds counted per year at Silvies (USS0018G01S): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Silvies Thresholds
- Silvies: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1983 with 69.
- Silvies: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1983 with 13.
- Silvies: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1985 with 65.
- Silvies: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 2005 with 245.
- 9 fixed thresholds have at least one qualifying day at Silvies.
Days at or above 30 C (86 F)
21 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1986 | 1 | 3 |
| 1988 | 5 | 3 |
| 1990 | 4 | 2.8 |
| 1992 | 2 | 2.8 |
| 1994 | 1 | 2.8 |
| 1996 | 4 | 2.8 |
| 2000 | 3 | 3.8 |
| 2001 | 4 | 3.8 |
| 2002 | 4 | 3.8 |
| 2003 | 10 | 3.8 |
| 2004 | 1 | 3.8 |
| 2005 | 3 | 3.8 |
| 2006 | 4 | 3.8 |
| 2007 | 1 | 3.8 |
| 2013 | 1 | 1.3 |
| 2017 | 2 | 1.3 |
| 2018 | 1 | 1.3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2024 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1986 | 1986-08-01 | 1986-08-01 |
| 1988 | 1988-07-20 | 1988-09-05 |
| 1990 | 1990-07-12 | 1990-08-06 |
| 1992 | 1992-08-12 | 1992-08-13 |
| 1994 | 1994-07-21 | 1994-07-21 |
| 1996 | 1996-07-25 | 1996-08-25 |
| 2000 | 2000-07-29 | 2000-07-31 |
| 2001 | 2001-07-03 | 2001-08-08 |
| 2002 | 2002-07-10 | 2002-07-13 |
| 2003 | 2003-07-18 | 2003-08-19 |
| 2004 | 2004-08-12 | 2004-08-12 |
| 2005 | 2005-07-15 | 2005-08-06 |
| 2006 | 2006-07-20 | 2006-07-23 |
| 2007 | 2007-07-05 | 2007-07-05 |
| 2013 | 2013-07-01 | 2013-07-01 |
| 2017 | 2017-09-03 | 2017-09-04 |
| 2018 | 2018-08-09 | 2018-08-09 |
| 2020 | 2020-09-04 | 2020-09-04 |
| 2021 | 2021-08-15 | 2021-08-15 |
| 2022 | 2022-09-06 | 2022-09-06 |
| 2024 | 2024-08-02 | 2024-08-02 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 21 | 10 | 2003 | 1 |
| 90 F (32.2 C): Days | 3 | 4 | 2003 | 1 |
| 0 C (32 F): Ice days (max | 39 | 65 | 1985 | 11 |
| 0 C (32 F): Frost days (min | 34 | 245 | 2005 | 92 |
| -10 C (14 F): Days with min | 34 | 71 | 1999 | 7 |
| -20 C (-4 F): Days with min | 16 | 6 | 1993 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 47 | 69 | 1983 | 12 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 46 | 13 | 1983 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 2 | 1983 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.
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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-17).