Tacoma #1 Threshold Days by Year (USC00458278)
14 fixed thresholds counted per year at Tacoma #1 (USC00458278): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Tacoma #1 Thresholds
- Tacoma #1: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 2014 with 48.
- Tacoma #1: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 2017 with 16.
- Tacoma #1: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1985 with 86.
- Tacoma #1: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1985 with 17.
- 14 fixed thresholds have at least one qualifying day at Tacoma #1.
Days at or above 30 C (86 F)
37 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1983 | 4 | 8.3 |
| 1984 | 7 | 8.3 |
| 1985 | 17 | 8.3 |
| 1986 | 13 | 8.3 |
| 1987 | 7 | 8.3 |
| 1988 | 7 | 8.3 |
| 1989 | 3 | 8.3 |
| 1990 | 10 | 4.9 |
| 1991 | 4 | 4.9 |
| 1992 | 6 | 4.9 |
| 1993 | 2 | 4.9 |
| 1994 | 5 | 4.9 |
| 1995 | 5 | 4.9 |
| 1996 | 5 | 4.9 |
| 1999 | 2 | 4.9 |
| 2001 | 3 | 5.3 |
| 2002 | 6 | 5.3 |
| 2003 | 13 | 5.3 |
| 2004 | 6 | 5.3 |
| 2007 | 2 | 5.3 |
| 2008 | 2 | 5.3 |
| 2010 | 8 | 6.9 |
| 2012 | 6 | 6.9 |
| 2013 | 4 | 6.9 |
| 2014 | 6 | 6.9 |
| 2015 | 13 | 6.9 |
| 2016 | 8 | 6.9 |
| 2017 | 3 | 6.9 |
| 2018 | 13 | 6.9 |
| 2019 | 1 | 6.9 |
| 2020 | 4 | 7 |
| 2021 | 9 | 7 |
| 2022 | 9 | 7 |
| 2023 | 6 | 7 |
| 2024 | 6 | 7 |
| 2025 | 8 | 7 |
| 2026 | 7 | 7 |
| Year | First date | Last date |
|---|---|---|
| 1983 | 1983-05-28 | 1983-07-31 |
| 1984 | 1984-07-16 | 1984-08-27 |
| 1985 | 1985-06-18 | 1985-08-18 |
| 1986 | 1986-06-13 | 1986-09-06 |
| 1987 | 1987-06-29 | 1987-09-02 |
| 1988 | 1988-07-19 | 1988-09-03 |
| 1989 | 1989-06-05 | 1989-06-25 |
| 1990 | 1990-07-12 | 1990-08-13 |
| 1991 | 1991-07-23 | 1991-08-18 |
| 1992 | 1992-06-23 | 1992-08-14 |
| 1993 | 1993-08-04 | 1993-08-05 |
| 1994 | 1994-07-20 | 1994-07-24 |
| 1995 | 1995-06-30 | 1995-07-20 |
| 1996 | 1996-07-24 | 1996-08-30 |
| 1999 | 1999-06-12 | 1999-06-13 |
| 2001 | 2001-05-23 | 2001-08-11 |
| 2002 | 2002-06-13 | 2002-08-29 |
| 2003 | 2003-06-06 | 2003-08-26 |
| 2004 | 2004-06-21 | 2004-08-10 |
| 2007 | 2007-07-11 | 2007-07-12 |
| 2008 | 2008-05-17 | 2008-05-18 |
| 2010 | 2010-07-08 | 2010-08-17 |
| 2012 | 2012-08-05 | 2012-08-18 |
| 2013 | 2013-06-29 | 2013-07-02 |
| 2014 | 2014-05-02 | 2014-08-11 |
| 2015 | 2015-06-27 | 2015-08-19 |
| 2016 | 2016-06-05 | 2016-08-26 |
| 2017 | 2017-06-25 | 2017-08-22 |
| 2018 | 2018-06-18 | 2018-08-22 |
| 2019 | 2019-07-26 | 2019-07-26 |
| 2020 | 2020-07-27 | 2020-08-17 |
| 2021 | 2021-06-02 | 2021-08-13 |
| 2022 | 2022-06-27 | 2022-08-25 |
| 2023 | 2023-05-14 | 2023-08-17 |
| 2024 | 2024-07-06 | 2024-08-02 |
| 2025 | 2025-07-08 | 2025-08-25 |
| 2026 | 2026-06-14 | 2026-07-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 37 | 17 | 1985 | 7 |
| 35 C (95 F): Days | 2 | 4 | 2021 | 4 |
| 40 C (104 F): Days | 1 | 1 | 2021 | 1 |
| 90 F (32.2 C): Days | 21 | 6 | 1985 | 1 |
| 100 F (37.8 C): Days | 1 | 1 | 2021 | 1 |
| 0 C (32 F): Ice days (max | 16 | 7 | 1985 | 3 |
| 0 C (32 F): Frost days (min | 38 | 86 | 1985 | 10 |
| -10 C (14 F): Days with min | 4 | 4 | 1983 | 3 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 2021 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 48 | 2014 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 40 | 16 | 2017 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 20 | 3 | 1986 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 2001 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 1 | 1 | 2007 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.
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 (2026-10-12).