Arthur 4NW Threshold Days by Year (USC00260438)
14 fixed thresholds counted per year at Arthur 4NW (USC00260438): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Arthur 4NW Thresholds
- Arthur 4NW: days with 10 mm (0.39 in) or more of precipitation in 96 years, most in 1912 with 25.
- Arthur 4NW: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1912 with 5.
- Arthur 4NW: days with 10 cm (3.9 in) or more of snowfall in 52 years, most in 1945 with 15.
- Arthur 4NW: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 2021 with 56.
- 14 fixed thresholds have at least one qualifying day at Arthur 4NW.
Days at or above 30 C (86 F)
51 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1964 | 15 | 29.7 |
| 1965 | 14 | 29.7 |
| 1966 | 40 | 29.7 |
| 1967 | 37 | 29.7 |
| 1968 | 34 | 29.7 |
| 1969 | 38 | 29.7 |
| 1970 | 30 | 25.4 |
| 1971 | 36 | 25.4 |
| 1972 | 21 | 25.4 |
| 1973 | 33 | 25.4 |
| 1974 | 47 | 25.4 |
| 1975 | 16 | 25.4 |
| 1977 | 13 | 25.4 |
| 1978 | 19 | 25.4 |
| 1979 | 14 | 25.4 |
| 1980 | 8 | 13.3 |
| 1981 | 31 | 13.3 |
| 1982 | 12 | 13.3 |
| 1983 | 8 | 13.3 |
| 1984 | 4 | 13.3 |
| 1985 | 17 | 13.3 |
| 1986 | 13 | 13.3 |
| 1987 | 9 | 13.3 |
| 1989 | 18 | 13.3 |
| 1990 | 22 | 20.1 |
| 1991 | 17 | 20.1 |
| 1992 | 22 | 20.1 |
| 1993 | 4 | 20.1 |
| 1994 | 50 | 20.1 |
| 1995 | 12 | 20.1 |
| 1996 | 19 | 20.1 |
| 1997 | 14 | 20.1 |
| 1999 | 21 | 20.1 |
| 2000 | 36 | 38 |
| 2003 | 40 | 38 |
| 2011 | 14 | 33.4 |
| 2012 | 48 | 33.4 |
| 2013 | 41 | 33.4 |
| 2014 | 29 | 33.4 |
| 2015 | 27 | 33.4 |
| 2016 | 34 | 33.4 |
| 2017 | 44 | 33.4 |
| 2018 | 42 | 33.4 |
| 2019 | 22 | 33.4 |
| 2020 | 41 | 42.7 |
| 2021 | 56 | 42.7 |
| 2022 | 45 | 42.7 |
| 2023 | 16 | 42.7 |
| 2024 | 41 | 42.7 |
| 2025 | 40 | 42.7 |
| 2026 | 60 | 42.7 |
| Year | First date | Last date |
|---|---|---|
| 1964 | 1964-08-03 | 1964-08-25 |
| 1965 | 1965-07-06 | 1965-08-28 |
| 1966 | 1966-06-27 | 1966-09-24 |
| 1967 | 1967-07-01 | 1967-09-04 |
| 1968 | 1968-05-28 | 1968-09-13 |
| 1969 | 1969-06-04 | 1969-09-07 |
| 1970 | 1970-06-22 | 1970-10-05 |
| 1971 | 1971-06-21 | 1971-09-13 |
| 1972 | 1972-07-05 | 1972-08-12 |
| 1973 | 1973-06-22 | 1973-08-21 |
| 1974 | 1974-06-13 | 1974-09-02 |
| 1975 | 1975-07-07 | 1975-08-10 |
| 1977 | 1977-06-05 | 1977-09-07 |
| 1978 | 1978-07-14 | 1978-08-10 |
| 1979 | 1979-06-26 | 1979-09-08 |
| 1980 | 1980-07-21 | 1980-08-13 |
| 1981 | 1981-06-22 | 1981-08-27 |
| 1982 | 1982-07-12 | 1982-08-23 |
| 1983 | 1983-07-05 | 1983-08-07 |
| 1984 | 1984-06-28 | 1984-07-18 |
| 1985 | 1985-06-07 | 1985-08-26 |
| 1986 | 1986-06-23 | 1986-08-18 |
| 1987 | 1987-06-27 | 1987-09-01 |
| 1989 | 1989-07-03 | 1989-08-07 |
| 1990 | 1990-06-22 | 1990-09-12 |
| 1991 | 1991-07-04 | 1991-08-25 |
| 1992 | 1992-06-28 | 1992-08-19 |
| 1993 | 1993-07-28 | 1993-09-30 |
| 1994 | 1994-06-20 | 1994-09-07 |
| 1995 | 1995-07-16 | 1995-08-22 |
| 1996 | 1996-06-08 | 1996-08-25 |
| 1997 | 1997-07-03 | 1997-08-27 |
| 1999 | 1999-07-02 | 1999-08-29 |
| 2000 | 2000-06-29 | 2000-09-16 |
| 2003 | 2003-05-28 | 2003-08-19 |
| 2011 | 2011-07-02 | 2011-08-28 |
| 2012 | 2012-06-17 | 2012-09-09 |
| 2013 | 2013-06-09 | 2013-09-01 |
| 2014 | 2014-07-01 | 2014-09-17 |
| 2015 | 2015-06-24 | 2015-09-12 |
| 2016 | 2016-06-20 | 2016-09-01 |
| 2017 | 2017-06-19 | 2017-09-06 |
| 2018 | 2018-06-25 | 2018-09-11 |
| 2019 | 2019-07-11 | 2019-09-04 |
| 2020 | 2020-06-24 | 2020-09-06 |
| 2021 | 2021-06-03 | 2021-09-10 |
| 2022 | 2022-06-27 | 2022-09-08 |
| 2023 | 2023-07-15 | 2023-08-29 |
| 2024 | 2024-06-07 | 2024-09-08 |
| 2025 | 2025-06-18 | 2025-09-02 |
| 2026 | 2026-06-03 | 2026-08-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 51 | 56 | 2021 | 60 |
| 35 C (95 F): Days | 14 | 4 | 2013 | 9 |
| 90 F (32.2 C): Days | 43 | 28 | 2003 | 37 |
| 0 C (32 F): Ice days (max | 51 | 60 | 2023 | 7 |
| 0 C (32 F): Frost days (min | 51 | 222 | 1975 | 98 |
| -10 C (14 F): Days with min | 51 | 85 | 1985 | 10 |
| -20 C (-4 F): Days with min | 41 | 13 | 1972 | 7 |
| -30 C (-22 F): Days with min | 1 | 2 | 1990 | 2 |
| 20 C (68 F): Tropical nights (min | 2 | 1 | 1990 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 96 | 25 | 1912 | 5 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 55 | 5 | 1912 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 4 | 2 | 2019 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 52 | 15 | 1945 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 17 | 2 | 1952 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.
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).