Trenton Threshold Days by Year (USC00428828)
16 fixed thresholds counted per year at Trenton (USC00428828): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Trenton Thresholds
- Trenton: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1994 with 86.
- Trenton: days with a maximum temperature at or above 90 F (32.2 C) in 43 years, most in 1994 with 59.
- Trenton: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1985 with 79.
- Trenton: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1983 with 23.
- 16 fixed thresholds have at least one qualifying day at Trenton.
Days at or above 30 C (86 F)
43 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1945 | 54 | 63.3 |
| 1946 | 75 | 63.3 |
| 1947 | 61 | 63.3 |
| 1977 | 51 | 52 |
| 1978 | 46 | 52 |
| 1979 | 59 | 52 |
| 1980 | 45 | 52.3 |
| 1981 | 66 | 52.3 |
| 1982 | 39 | 52.3 |
| 1983 | 31 | 52.3 |
| 1984 | 53 | 52.3 |
| 1985 | 52 | 52.3 |
| 1986 | 50 | 52.3 |
| 1987 | 51 | 52.3 |
| 1988 | 82 | 52.3 |
| 1989 | 54 | 52.3 |
| 1993 | 17 | 56.6 |
| 1994 | 86 | 56.6 |
| 1995 | 58 | 56.6 |
| 1996 | 66 | 56.6 |
| 1997 | 49 | 56.6 |
| 1998 | 62 | 56.6 |
| 1999 | 58 | 56.6 |
| 2000 | 77 | 76.7 |
| 2001 | 82 | 76.7 |
| 2002 | 71 | 76.7 |
| 2010 | 58 | 60.4 |
| 2011 | 46 | 60.4 |
| 2012 | 73 | 60.4 |
| 2013 | 78 | 60.4 |
| 2014 | 52 | 60.4 |
| 2015 | 48 | 60.4 |
| 2016 | 58 | 60.4 |
| 2017 | 68 | 60.4 |
| 2018 | 67 | 60.4 |
| 2019 | 56 | 60.4 |
| 2020 | 66 | 66.7 |
| 2021 | 65 | 66.7 |
| 2022 | 70 | 66.7 |
| 2023 | 48 | 66.7 |
| 2024 | 72 | 66.7 |
| 2025 | 78 | 66.7 |
| 2026 | 68 | 66.7 |
| Year | First date | Last date |
|---|---|---|
| 1945 | 1945-06-21 | 1945-09-06 |
| 1946 | 1946-06-03 | 1946-09-13 |
| 1947 | 1947-05-03 | 1947-09-30 |
| 1977 | 1977-06-04 | 1977-09-07 |
| 1978 | 1978-06-13 | 1978-09-07 |
| 1979 | 1979-05-23 | 1979-09-18 |
| 1980 | 1980-06-18 | 1980-09-18 |
| 1981 | 1981-06-22 | 1981-09-18 |
| 1982 | 1982-06-21 | 1982-09-09 |
| 1983 | 1983-05-28 | 1983-09-01 |
| 1984 | 1984-05-29 | 1984-09-19 |
| 1985 | 1985-06-07 | 1985-08-30 |
| 1986 | 1986-05-31 | 1986-09-08 |
| 1987 | 1987-05-14 | 1987-09-24 |
| 1988 | 1988-05-16 | 1988-09-09 |
| 1989 | 1989-06-15 | 1989-09-29 |
| 1993 | 1993-06-15 | 1993-08-25 |
| 1994 | 1994-05-26 | 1994-09-29 |
| 1995 | 1995-06-13 | 1995-09-17 |
| 1996 | 1996-06-08 | 1996-09-11 |
| 1997 | 1997-06-01 | 1997-09-11 |
| 1998 | 1998-06-30 | 1998-09-18 |
| 1999 | 1999-06-16 | 1999-09-10 |
| 2000 | 2000-06-03 | 2000-09-18 |
| 2001 | 2001-05-13 | 2001-09-28 |
| 2002 | 2002-05-19 | 2002-09-06 |
| 2010 | 2010-06-24 | 2010-10-03 |
| 2011 | 2011-06-23 | 2011-09-01 |
| 2012 | 2012-05-15 | 2012-09-16 |
| 2013 | 2013-05-13 | 2013-09-17 |
| 2014 | 2014-05-28 | 2014-09-25 |
| 2015 | 2015-06-13 | 2015-09-26 |
| 2016 | 2016-06-05 | 2016-09-03 |
| 2017 | 2017-06-01 | 2017-09-13 |
| 2018 | 2018-06-05 | 2018-09-16 |
| 2019 | 2019-06-27 | 2019-09-06 |
| 2020 | 2020-05-30 | 2020-09-18 |
| 2021 | 2021-06-03 | 2021-09-11 |
| 2022 | 2022-06-11 | 2022-09-13 |
| 2023 | 2023-06-26 | 2023-09-01 |
| 2024 | 2024-06-07 | 2024-09-30 |
| 2025 | 2025-05-31 | 2025-09-09 |
| 2026 | 2026-05-12 | 2026-09-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 43 | 86 | 1994 | 68 |
| 35 C (95 F): Days | 40 | 28 | 1994 | 26 |
| 40 C (104 F): Days | 1 | 0 | n/a | 1 |
| 90 F (32.2 C): Days | 43 | 59 | 1994 | 47 |
| 100 F (37.8 C): Days | 10 | 3 | 2000 | 4 |
| 0 C (32 F): Ice days (max | 43 | 79 | 1985 | 5 |
| 0 C (32 F): Frost days (min | 36 | 210 | 1979 | 96 |
| -10 C (14 F): Days with min | 36 | 100 | 1985 | 12 |
| -20 C (-4 F): Days with min | 30 | 40 | 1985 | 2 |
| -30 C (-22 F): Days with min | 13 | 9 | 1989 | 3 |
| 20 C (68 F): Tropical nights (min | 4 | 1 | 1977 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 42 | 23 | 1983 | 10 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 33 | 5 | 1980 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 1 | 1977 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 40 | 12 | 1996 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 6 | 1 | 1985 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.
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).