Coronado Trail Threshold Days by Year (USS0009S07S)
9 fixed thresholds counted per year at Coronado Trail (USS0009S07S): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Coronado Trail Thresholds
- Coronado Trail: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1992 with 30.
- Coronado Trail: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1986 with 7.
- Coronado Trail: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 1997 with 19.
- Coronado Trail: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1995 with 244.
- 9 fixed thresholds have at least one qualifying day at Coronado Trail.
Days at or above 30 C (86 F)
27 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1984 | 2 | 5 |
| 1989 | 8 | 5 |
| 1990 | 10 | 5.4 |
| 1992 | 1 | 5.4 |
| 1994 | 11 | 5.4 |
| 1995 | 7 | 5.4 |
| 1996 | 6 | 5.4 |
| 1997 | 1 | 5.4 |
| 1998 | 5 | 5.4 |
| 1999 | 2 | 5.4 |
| 2000 | 4 | 7.2 |
| 2002 | 16 | 7.2 |
| 2003 | 17 | 7.2 |
| 2005 | 1 | 7.2 |
| 2006 | 2 | 7.2 |
| 2007 | 3 | 7.2 |
| 2010 | 2 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2016 | 4 | 3 |
| 2017 | 4 | 3 |
| 2018 | 5 | 3 |
| 2020 | 4 | 4.8 |
| 2021 | 6 | 4.8 |
| 2022 | 1 | 4.8 |
| 2023 | 8 | 4.8 |
| Year | First date | Last date |
|---|---|---|
| 1984 | 1984-07-04 | 1984-08-29 |
| 1989 | 1989-06-17 | 1989-07-07 |
| 1990 | 1990-06-20 | 1990-06-30 |
| 1992 | 1992-07-05 | 1992-07-05 |
| 1994 | 1994-06-15 | 1994-07-01 |
| 1995 | 1995-07-26 | 1995-08-06 |
| 1996 | 1996-06-20 | 1996-07-23 |
| 1997 | 1997-07-02 | 1997-07-02 |
| 1998 | 1998-06-27 | 1998-07-15 |
| 1999 | 1999-06-30 | 1999-07-01 |
| 2000 | 2000-05-28 | 2000-07-28 |
| 2002 | 2002-06-14 | 2002-08-14 |
| 2003 | 2003-07-02 | 2003-08-10 |
| 2005 | 2005-07-15 | 2005-07-15 |
| 2006 | 2006-06-19 | 2006-07-14 |
| 2007 | 2007-07-01 | 2007-07-03 |
| 2010 | 2010-06-05 | 2010-06-06 |
| 2011 | 2011-06-22 | 2011-06-27 |
| 2012 | 2012-06-20 | 2012-06-21 |
| 2013 | 2013-06-27 | 2013-06-27 |
| 2016 | 2016-06-18 | 2016-07-15 |
| 2017 | 2017-06-18 | 2017-06-23 |
| 2018 | 2018-06-21 | 2018-07-23 |
| 2020 | 2020-07-10 | 2020-08-15 |
| 2021 | 2021-06-12 | 2021-07-11 |
| 2022 | 2022-06-10 | 2022-06-10 |
| 2023 | 2023-07-14 | 2023-08-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 27 | 17 | 2003 | 8 |
| 90 F (32.2 C): Days | 8 | 6 | 2003 | 1 |
| 0 C (32 F): Ice days (max | 37 | 19 | 1997 | 4 |
| 0 C (32 F): Frost days (min | 33 | 244 | 1995 | 100 |
| -10 C (14 F): Days with min | 33 | 62 | 1997 | 7 |
| -20 C (-4 F): Days with min | 11 | 4 | 2011 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 46 | 30 | 1992 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 43 | 7 | 1986 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 2 | 1986 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1984.
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).