Potato Hill Threshold Days by Year (USS0021C14S)
11 fixed thresholds counted per year at Potato Hill (USS0021C14S): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Potato Hill Thresholds
- Potato Hill: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1996 with 89.
- Potato Hill: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 2006 with 27.
- Potato Hill: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1996 with 7.
- Potato Hill: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 1990 with 71.
- 11 fixed thresholds have at least one qualifying day at Potato Hill.
Days at or above 30 C (86 F)
26 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1990 | 1 | 4 |
| 1992 | 3 | 4 |
| 1994 | 3 | 4 |
| 1996 | 6 | 4 |
| 1998 | 7 | 4 |
| 2002 | 2 | 2.9 |
| 2003 | 4 | 2.9 |
| 2004 | 3 | 2.9 |
| 2005 | 1 | 2.9 |
| 2006 | 4 | 2.9 |
| 2007 | 2 | 2.9 |
| 2008 | 4 | 2.9 |
| 2009 | 3 | 2.9 |
| 2012 | 1 | 3.3 |
| 2014 | 2 | 3.3 |
| 2015 | 6 | 3.3 |
| 2016 | 1 | 3.3 |
| 2017 | 7 | 3.3 |
| 2018 | 3 | 3.3 |
| 2020 | 3 | 4.1 |
| 2021 | 8 | 4.1 |
| 2022 | 9 | 4.1 |
| 2023 | 3 | 4.1 |
| 2024 | 4 | 4.1 |
| 2025 | 1 | 4.1 |
| 2026 | 1 | 4.1 |
| Year | First date | Last date |
|---|---|---|
| 1990 | 1990-07-11 | 1990-07-11 |
| 1992 | 1992-06-22 | 1992-08-17 |
| 1994 | 1994-07-20 | 1994-07-22 |
| 1996 | 1996-07-14 | 1996-08-25 |
| 1998 | 1998-07-26 | 1998-09-01 |
| 2002 | 2002-07-10 | 2002-07-12 |
| 2003 | 2003-06-28 | 2003-09-03 |
| 2004 | 2004-07-24 | 2004-08-13 |
| 2005 | 2005-07-21 | 2005-07-21 |
| 2006 | 2006-06-26 | 2006-07-23 |
| 2007 | 2007-07-05 | 2007-07-12 |
| 2008 | 2008-06-29 | 2008-08-17 |
| 2009 | 2009-07-28 | 2009-08-01 |
| 2012 | 2012-08-17 | 2012-08-17 |
| 2014 | 2014-07-12 | 2014-07-15 |
| 2015 | 2015-06-26 | 2015-08-01 |
| 2016 | 2016-06-05 | 2016-06-05 |
| 2017 | 2017-06-25 | 2017-09-03 |
| 2018 | 2018-07-30 | 2018-08-09 |
| 2020 | 2020-07-27 | 2020-08-16 |
| 2021 | 2021-06-26 | 2021-08-13 |
| 2022 | 2022-07-25 | 2022-08-17 |
| 2023 | 2023-08-14 | 2023-08-16 |
| 2024 | 2024-07-07 | 2024-08-01 |
| 2025 | 2025-09-03 | 2025-09-03 |
| 2026 | 2026-07-22 | 2026-07-22 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 26 | 9 | 2022 | 1 |
| 35 C (95 F): Days | 1 | 1 | 2021 | 1 |
| 90 F (32.2 C): Days | 6 | 3 | 2022 | 1 |
| 0 C (32 F): Ice days (max | 35 | 71 | 1990 | 18 |
| 0 C (32 F): Frost days (min | 32 | 254 | 1996 | 140 |
| -10 C (14 F): Days with min | 32 | 43 | 2008 | 7 |
| -20 C (-4 F): Days with min | 17 | 4 | 1998 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 45 | 89 | 1996 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 45 | 27 | 2006 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 39 | 7 | 1996 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 1 | 1996 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.
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).