Jamestown Wwtp Threshold Days by Year (USC00154208)
17 fixed thresholds counted per year at Jamestown Wwtp (USC00154208): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Jamestown Wwtp Thresholds
- Jamestown Wwtp: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 2015 with 68.
- Jamestown Wwtp: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 2019 with 27.
- Jamestown Wwtp: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 2016 with 86.
- Jamestown Wwtp: days with a maximum temperature at or above 90 F (32.2 C) in 43 years, most in 1983 with 56.
- 17 fixed thresholds have at least one qualifying day at Jamestown Wwtp.
Days at or above 30 C (86 F)
43 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1972 | 34 | 44.3 |
| 1973 | 48 | 44.3 |
| 1974 | 32 | 44.3 |
| 1975 | 72 | 44.3 |
| 1976 | 29 | 44.3 |
| 1977 | 61 | 44.3 |
| 1979 | 34 | 44.3 |
| 1980 | 81 | 64.8 |
| 1981 | 46 | 64.8 |
| 1982 | 45 | 64.8 |
| 1983 | 79 | 64.8 |
| 1984 | 63 | 64.8 |
| 1985 | 57 | 64.8 |
| 1986 | 82 | 64.8 |
| 1987 | 80 | 64.8 |
| 1988 | 74 | 64.8 |
| 1989 | 41 | 64.8 |
| 1992 | 25 | 56.8 |
| 1994 | 53 | 56.8 |
| 1998 | 80 | 56.8 |
| 1999 | 69 | 56.8 |
| 2000 | 53 | 50.2 |
| 2001 | 54 | 50.2 |
| 2003 | 42 | 50.2 |
| 2004 | 43 | 50.2 |
| 2006 | 55 | 50.2 |
| 2008 | 54 | 50.2 |
| 2010 | 80 | 58.6 |
| 2012 | 59 | 58.6 |
| 2013 | 25 | 58.6 |
| 2014 | 38 | 58.6 |
| 2015 | 51 | 58.6 |
| 2016 | 86 | 58.6 |
| 2017 | 38 | 58.6 |
| 2018 | 66 | 58.6 |
| 2019 | 84 | 58.6 |
| 2020 | 45 | 46.9 |
| 2021 | 40 | 46.9 |
| 2022 | 49 | 46.9 |
| 2023 | 35 | 46.9 |
| 2024 | 59 | 46.9 |
| 2025 | 61 | 46.9 |
| 2026 | 39 | 46.9 |
| Year | First date | Last date |
|---|---|---|
| 1972 | 1972-06-06 | 1972-09-20 |
| 1973 | 1973-06-04 | 1973-09-26 |
| 1974 | 1974-05-19 | 1974-09-12 |
| 1975 | 1975-05-22 | 1975-09-12 |
| 1976 | 1976-06-10 | 1976-08-29 |
| 1977 | 1977-05-17 | 1977-09-07 |
| 1979 | 1979-05-12 | 1979-09-06 |
| 1980 | 1980-05-29 | 1980-09-23 |
| 1981 | 1981-05-30 | 1981-09-15 |
| 1982 | 1982-05-13 | 1982-08-21 |
| 1983 | 1983-03-05 | 1983-09-20 |
| 1984 | 1984-04-27 | 1984-09-23 |
| 1985 | 1985-04-19 | 1985-10-14 |
| 1986 | 1986-04-02 | 1986-10-04 |
| 1987 | 1987-04-23 | 1987-11-01 |
| 1988 | 1988-04-06 | 1988-08-29 |
| 1989 | 1989-04-28 | 1989-09-14 |
| 1992 | 1992-06-17 | 1992-09-10 |
| 1994 | 1994-05-23 | 1994-09-18 |
| 1998 | 1998-05-20 | 1998-10-05 |
| 1999 | 1999-05-11 | 1999-09-28 |
| 2000 | 2000-05-06 | 2000-09-20 |
| 2001 | 2001-04-10 | 2001-09-13 |
| 2003 | 2003-06-24 | 2003-09-01 |
| 2004 | 2004-05-08 | 2004-09-22 |
| 2006 | 2006-05-27 | 2006-10-04 |
| 2008 | 2008-06-04 | 2008-10-05 |
| 2010 | 2010-04-02 | 2010-09-24 |
| 2012 | 2012-05-03 | 2012-09-08 |
| 2013 | 2013-05-20 | 2013-09-13 |
| 2014 | 2014-06-16 | 2014-09-07 |
| 2015 | 2015-05-08 | 2015-09-08 |
| 2016 | 2016-06-01 | 2016-10-20 |
| 2017 | 2017-04-30 | 2017-09-28 |
| 2018 | 2018-05-12 | 2018-10-09 |
| 2019 | 2019-05-18 | 2019-10-06 |
| 2020 | 2020-06-03 | 2020-09-13 |
| 2021 | 2021-05-25 | 2021-09-15 |
| 2022 | 2022-05-21 | 2022-09-22 |
| 2023 | 2023-06-03 | 2023-09-05 |
| 2024 | 2024-06-14 | 2024-09-23 |
| 2025 | 2025-06-04 | 2025-09-21 |
| 2026 | 2026-03-23 | 2026-08-31 |
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 | 2016 | 39 |
| 35 C (95 F): Days | 17 | 25 | 1980 | 3 |
| 90 F (32.2 C): Days | 43 | 56 | 1983 | 11 |
| 100 F (37.8 C): Days | 5 | 6 | 2012 | 6 |
| 0 C (32 F): Ice days (max | 43 | 36 | 1977 | 17 |
| 0 C (32 F): Frost days (min | 33 | 141 | 2013 | 62 |
| -10 C (14 F): Days with min | 33 | 37 | 1977 | 13 |
| -20 C (-4 F): Days with min | 15 | 6 | 1977 | 3 |
| 20 C (68 F): Tropical nights (min | 33 | 48 | 1980 | 28 |
| 25 C (77 F): Days with min | 2 | 1 | 1980 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 44 | 68 | 2015 | 23 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 44 | 27 | 2019 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 42 | 7 | 1989 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 4 | 2010 | 4 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1982 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 6 | 2 | 1985 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1994 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.
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 (2026-10-16).