W Rockport 1 NNW Threshold Days by Year (USC00179593)
15 fixed thresholds counted per year at W Rockport 1 NNW (USC00179593): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for W Rockport 1 NNW Thresholds
- W Rockport 1 NNW: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1983 with 59.
- W Rockport 1 NNW: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1983 with 27.
- W Rockport 1 NNW: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1986 with 166.
- W Rockport 1 NNW: nights with a minimum temperature at or below -10 C (14 F) in 45 years, most in 1980 with 75.
- 15 fixed thresholds have at least one qualifying day at W Rockport 1 NNW.
Days at or above 30 C (86 F)
43 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1977 | 12 | 7.3 |
| 1978 | 5 | 7.3 |
| 1979 | 5 | 7.3 |
| 1980 | 6 | 4.7 |
| 1981 | 1 | 4.7 |
| 1982 | 1 | 4.7 |
| 1983 | 2 | 4.7 |
| 1984 | 3 | 4.7 |
| 1985 | 1 | 4.7 |
| 1987 | 3 | 4.7 |
| 1988 | 17 | 4.7 |
| 1989 | 8 | 4.7 |
| 1990 | 9 | 7.9 |
| 1991 | 18 | 7.9 |
| 1992 | 6 | 7.9 |
| 1993 | 11 | 7.9 |
| 1994 | 1 | 7.9 |
| 1995 | 8 | 7.9 |
| 1996 | 2 | 7.9 |
| 2001 | 18 | 6.6 |
| 2003 | 2 | 6.6 |
| 2005 | 6 | 6.6 |
| 2006 | 4 | 6.6 |
| 2007 | 8 | 6.6 |
| 2008 | 1 | 6.6 |
| 2009 | 7 | 6.6 |
| 2010 | 12 | 7.5 |
| 2011 | 9 | 7.5 |
| 2012 | 5 | 7.5 |
| 2013 | 12 | 7.5 |
| 2014 | 1 | 7.5 |
| 2015 | 5 | 7.5 |
| 2016 | 8 | 7.5 |
| 2017 | 4 | 7.5 |
| 2018 | 11 | 7.5 |
| 2019 | 8 | 7.5 |
| 2020 | 14 | 10.6 |
| 2021 | 12 | 10.6 |
| 2022 | 11 | 10.6 |
| 2023 | 6 | 10.6 |
| 2024 | 8 | 10.6 |
| 2025 | 12 | 10.6 |
| 2026 | 11 | 10.6 |
| Year | First date | Last date |
|---|---|---|
| 1977 | 1977-05-18 | 1977-08-30 |
| 1978 | 1978-07-07 | 1978-08-18 |
| 1979 | 1979-05-10 | 1979-07-15 |
| 1980 | 1980-06-26 | 1980-09-03 |
| 1981 | 1981-07-09 | 1981-07-09 |
| 1982 | 1982-07-20 | 1982-07-20 |
| 1983 | 1983-06-23 | 1983-06-24 |
| 1984 | 1984-06-10 | 1984-08-06 |
| 1985 | 1985-08-16 | 1985-08-16 |
| 1987 | 1987-06-01 | 1987-08-18 |
| 1988 | 1988-06-16 | 1988-08-14 |
| 1989 | 1989-06-22 | 1989-07-28 |
| 1990 | 1990-07-16 | 1990-08-27 |
| 1991 | 1991-05-13 | 1991-08-29 |
| 1992 | 1992-05-22 | 1992-08-26 |
| 1993 | 1993-06-15 | 1993-08-29 |
| 1994 | 1994-07-22 | 1994-07-22 |
| 1995 | 1995-06-02 | 1995-08-18 |
| 1996 | 1996-06-12 | 1996-08-07 |
| 2001 | 2001-05-03 | 2001-09-10 |
| 2003 | 2003-06-27 | 2003-08-23 |
| 2005 | 2005-06-26 | 2005-08-14 |
| 2006 | 2006-07-15 | 2006-08-03 |
| 2007 | 2007-05-26 | 2007-09-09 |
| 2008 | 2008-06-09 | 2008-06-09 |
| 2009 | 2009-05-22 | 2009-08-24 |
| 2010 | 2010-05-26 | 2010-09-04 |
| 2011 | 2011-06-10 | 2011-07-24 |
| 2012 | 2012-06-21 | 2012-08-04 |
| 2013 | 2013-06-01 | 2013-07-21 |
| 2014 | 2014-06-30 | 2014-06-30 |
| 2015 | 2015-07-13 | 2015-09-09 |
| 2016 | 2016-07-07 | 2016-09-10 |
| 2017 | 2017-05-19 | 2017-09-25 |
| 2018 | 2018-07-04 | 2018-09-07 |
| 2019 | 2019-07-05 | 2019-08-01 |
| 2020 | 2020-05-23 | 2020-08-14 |
| 2021 | 2021-06-07 | 2021-08-27 |
| 2022 | 2022-05-15 | 2022-08-21 |
| 2023 | 2023-05-29 | 2023-09-06 |
| 2024 | 2024-06-20 | 2024-08-03 |
| 2025 | 2025-06-06 | 2025-08-14 |
| 2026 | 2026-05-20 | 2026-08-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 43 | 18 | 1991 | 11 |
| 35 C (95 F): Days | 3 | 1 | 1991 | 1 |
| 90 F (32.2 C): Days | 28 | 9 | 1988 | 4 |
| 0 C (32 F): Ice days (max | 44 | 82 | 1985 | 37 |
| 0 C (32 F): Frost days (min | 45 | 166 | 1986 | 77 |
| -10 C (14 F): Days with min | 45 | 75 | 1980 | 35 |
| -20 C (-4 F): Days with min | 39 | 18 | 2003 | 5 |
| -30 C (-22 F): Days with min | 2 | 1 | 1980 | 1 |
| 20 C (68 F): Tropical nights (min | 32 | 14 | 2024 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 48 | 59 | 1983 | 23 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 48 | 27 | 1983 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 45 | 15 | 2010 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 10 | 2 | 1994 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 40 | 12 | 2015 | 8 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 28 | 4 | 2013 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.
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).