Grand Forks Intl AP Threshold Days by Year (USW00014916)
19 fixed thresholds counted per year at Grand Forks Intl AP (USW00014916): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grand Forks Intl AP Thresholds
- Grand Forks Intl AP: days with a maximum temperature at or above 30 C (86 F) in 84 years, most in 1976 with 57.
- Grand Forks Intl AP: days with a maximum temperature at or above 90 F (32.2 C) in 84 years, most in 1976 with 32.
- Grand Forks Intl AP: days with a maximum temperature at or below 0 C (32 F) in 84 years, most in 1950 with 135.
- Grand Forks Intl AP: nights with a minimum temperature at or below 0 C (32 F) in 84 years, most in 1945 with 216.
- 19 fixed thresholds have at least one qualifying day at Grand Forks Intl AP.
Days at or above 30 C (86 F)
84 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1942 | 5 | 23.4 |
| 1943 | 28 | 23.4 |
| 1944 | 23 | 23.4 |
| 1945 | 21 | 23.4 |
| 1946 | 25 | 23.4 |
| 1947 | 30 | 23.4 |
| 1948 | 25 | 23.4 |
| 1949 | 30 | 23.4 |
| 1950 | 19 | 28.4 |
| 1951 | 16 | 28.4 |
| 1952 | 36 | 28.4 |
| 1953 | 31 | 28.4 |
| 1954 | 22 | 28.4 |
| 1955 | 40 | 28.4 |
| 1956 | 22 | 28.4 |
| 1957 | 34 | 28.4 |
| 1958 | 20 | 28.4 |
| 1959 | 44 | 28.4 |
| 1960 | 28 | 23.1 |
| 1961 | 53 | 23.1 |
| 1962 | 11 | 23.1 |
| 1963 | 33 | 23.1 |
| 1964 | 29 | 23.1 |
| 1965 | 6 | 23.1 |
| 1966 | 15 | 23.1 |
| 1967 | 22 | 23.1 |
| 1968 | 10 | 23.1 |
| 1969 | 24 | 23.1 |
| 1970 | 42 | 28 |
| 1971 | 25 | 28 |
| 1972 | 22 | 28 |
| 1973 | 25 | 28 |
| 1974 | 22 | 28 |
| 1975 | 16 | 28 |
| 1976 | 57 | 28 |
| 1977 | 25 | 28 |
| 1978 | 32 | 28 |
| 1979 | 14 | 28 |
| 1980 | 43 | 29 |
| 1981 | 18 | 29 |
| 1982 | 13 | 29 |
| 1983 | 40 | 29 |
| 1984 | 21 | 29 |
| 1985 | 15 | 29 |
| 1986 | 24 | 29 |
| 1987 | 32 | 29 |
| 1988 | 48 | 29 |
| 1989 | 36 | 29 |
| 1990 | 31 | 21.7 |
| 1991 | 29 | 21.7 |
| 1992 | 15 | 21.7 |
| 1993 | 9 | 21.7 |
| 1994 | 15 | 21.7 |
| 1995 | 30 | 21.7 |
| 1996 | 29 | 21.7 |
| 1998 | 22 | 21.7 |
| 1999 | 15 | 21.7 |
| 2000 | 19 | 21.3 |
| 2001 | 28 | 21.3 |
| 2002 | 27 | 21.3 |
| 2003 | 20 | 21.3 |
| 2004 | 7 | 21.3 |
| 2005 | 27 | 21.3 |
| 2006 | 37 | 21.3 |
| 2007 | 27 | 21.3 |
| 2008 | 14 | 21.3 |
| 2009 | 7 | 21.3 |
| 2010 | 20 | 27 |
| 2011 | 26 | 27 |
| 2012 | 45 | 27 |
| 2013 | 30 | 27 |
| 2014 | 14 | 27 |
| 2015 | 26 | 27 |
| 2016 | 18 | 27 |
| 2017 | 28 | 27 |
| 2018 | 34 | 27 |
| 2019 | 29 | 27 |
| 2020 | 22 | 34.6 |
| 2021 | 49 | 34.6 |
| 2022 | 24 | 34.6 |
| 2023 | 43 | 34.6 |
| 2024 | 37 | 34.6 |
| 2025 | 35 | 34.6 |
| 2026 | 32 | 34.6 |
| Year | First date | Last date |
|---|---|---|
| 1942 | 1942-07-11 | 1942-08-20 |
| 1943 | 1943-06-18 | 1943-10-08 |
| 1944 | 1944-05-29 | 1944-08-19 |
| 1945 | 1945-06-21 | 1945-09-06 |
| 1946 | 1946-05-28 | 1946-08-15 |
| 1947 | 1947-07-03 | 1947-10-05 |
| 1948 | 1948-05-19 | 1948-09-11 |
| 1949 | 1949-06-05 | 1949-08-25 |
| 1950 | 1950-06-04 | 1950-09-07 |
| 1951 | 1951-05-23 | 1951-08-04 |
| 1952 | 1952-04-26 | 1952-09-27 |
| 1953 | 1953-05-06 | 1953-10-01 |
| 1954 | 1954-06-13 | 1954-08-31 |
| 1955 | 1955-05-02 | 1955-09-05 |
| 1956 | 1956-05-21 | 1956-09-27 |
| 1957 | 1957-04-29 | 1957-08-12 |
| 1958 | 1958-05-12 | 1958-09-23 |
| 1959 | 1959-05-02 | 1959-09-13 |
| 1960 | 1960-05-13 | 1960-09-20 |
| 1961 | 1961-05-20 | 1961-10-05 |
| 1962 | 1962-06-27 | 1962-09-02 |
| 1963 | 1963-05-30 | 1963-09-30 |
| 1964 | 1964-05-18 | 1964-09-09 |
| 1965 | 1965-07-22 | 1965-08-23 |
| 1966 | 1966-05-21 | 1966-09-12 |
| 1967 | 1967-05-24 | 1967-09-07 |
| 1968 | 1968-06-03 | 1968-09-14 |
| 1969 | 1969-05-14 | 1969-09-12 |
| 1970 | 1970-05-17 | 1970-10-05 |
| 1971 | 1971-05-14 | 1971-09-02 |
| 1972 | 1972-05-17 | 1972-08-29 |
| 1973 | 1973-06-01 | 1973-08-30 |
| 1974 | 1974-06-03 | 1974-09-26 |
| 1975 | 1975-07-04 | 1975-10-07 |
| 1976 | 1976-05-09 | 1976-09-30 |
| 1977 | 1977-04-30 | 1977-08-09 |
| 1978 | 1978-05-24 | 1978-09-08 |
| 1979 | 1979-05-28 | 1979-09-16 |
| 1980 | 1980-04-20 | 1980-10-07 |
| 1981 | 1981-05-21 | 1981-09-12 |
| 1982 | 1982-07-12 | 1982-09-10 |
| 1983 | 1983-06-10 | 1983-09-27 |
| 1984 | 1984-05-16 | 1984-09-21 |
| 1985 | 1985-04-28 | 1985-08-08 |
| 1986 | 1986-05-04 | 1986-08-19 |
| 1987 | 1987-04-18 | 1987-09-03 |
| 1988 | 1988-05-18 | 1988-08-24 |
| 1989 | 1989-06-19 | 1989-09-30 |
| 1990 | 1990-04-22 | 1990-09-26 |
| 1991 | 1991-05-11 | 1991-09-07 |
| 1992 | 1992-04-30 | 1992-10-01 |
| 1993 | 1993-05-13 | 1993-08-24 |
| 1994 | 1994-05-18 | 1994-09-10 |
| 1995 | 1995-05-30 | 1995-09-12 |
| 1996 | 1996-06-09 | 1996-09-09 |
| 1998 | 1998-07-10 | 1998-09-17 |
| 1999 | 1999-05-28 | 1999-08-31 |
| 2000 | 2000-06-07 | 2000-09-09 |
| 2001 | 2001-06-24 | 2001-09-05 |
| 2002 | 2002-04-16 | 2002-09-17 |
| 2003 | 2003-06-15 | 2003-10-07 |
| 2004 | 2004-07-03 | 2004-09-19 |
| 2005 | 2005-04-18 | 2005-09-10 |
| 2006 | 2006-05-23 | 2006-09-15 |
| 2007 | 2007-05-09 | 2007-09-23 |
| 2008 | 2008-06-30 | 2008-09-01 |
| 2009 | 2009-06-20 | 2009-09-19 |
| 2010 | 2010-05-29 | 2010-08-29 |
| 2011 | 2011-06-29 | 2011-10-05 |
| 2012 | 2012-05-17 | 2012-09-10 |
| 2013 | 2013-05-13 | 2013-09-06 |
| 2014 | 2014-05-24 | 2014-09-27 |
| 2015 | 2015-05-02 | 2015-10-11 |
| 2016 | 2016-05-05 | 2016-08-23 |
| 2017 | 2017-06-01 | 2017-09-12 |
| 2018 | 2018-05-07 | 2018-09-16 |
| 2019 | 2019-05-30 | 2019-09-20 |
| 2020 | 2020-06-01 | 2020-09-22 |
| 2021 | 2021-05-19 | 2021-09-29 |
| 2022 | 2022-06-12 | 2022-09-01 |
| 2023 | 2023-05-11 | 2023-10-01 |
| 2024 | 2024-05-17 | 2024-10-10 |
| 2025 | 2025-05-05 | 2025-10-03 |
| 2026 | 2026-05-25 | 2026-08-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 84 | 57 | 1976 | 32 |
| 35 C (95 F): Days | 66 | 13 | 1976 | 5 |
| 40 C (104 F): Days | 2 | 1 | 1983 | 1 |
| 90 F (32.2 C): Days | 84 | 32 | 1976 | 20 |
| 100 F (37.8 C): Days | 20 | 2 | 1949 | 1 |
| 0 C (32 F): Ice days (max | 84 | 135 | 1950 | 59 |
| 0 C (32 F): Frost days (min | 84 | 216 | 1945 | 126 |
| -10 C (14 F): Days with min | 84 | 133 | 1955 | 54 |
| -20 C (-4 F): Days with min | 84 | 78 | 1950 | 28 |
| -30 C (-22 F): Days with min | 78 | 25 | 1979 | 1 |
| -40 C (-40 F): Days with min | 2 | 2 | 2004 | 2 |
| 20 C (68 F): Tropical nights (min | 68 | 9 | 1995 | 4 |
| 25 C (77 F): Days with min | 4 | 1 | 1947 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 84 | 22 | 1965 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 82 | 9 | 2010 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 32 | 3 | 1944 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1995 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 72 | 7 | 2019 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 1 | 1966 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.
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).