Gruver Threshold Days by Year (USC00413787)
19 fixed thresholds counted per year at Gruver (USC00413787): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Gruver Thresholds
- Gruver: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 2015 with 31.
- Gruver: days with 25 mm (0.98 in) or more of precipitation in 80 years, most in 1950 with 12.
- Gruver: days with a maximum temperature at or above 30 C (86 F) in 62 years, most in 1963 with 161.
- Gruver: days with a maximum temperature at or above 35 C (95 F) in 62 years, most in 2011 with 87.
- 19 fixed thresholds have at least one qualifying day at Gruver.
Days at or above 30 C (86 F)
62 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 161 | 126 |
| 1964 | 132 | 126 |
| 1965 | 114 | 126 |
| 1966 | 125 | 126 |
| 1967 | 121 | 126 |
| 1968 | 117 | 126 |
| 1969 | 112 | 126 |
| 1970 | 135 | 127.7 |
| 1971 | 119 | 127.7 |
| 1972 | 142 | 127.7 |
| 1973 | 120 | 127.7 |
| 1974 | 121 | 127.7 |
| 1975 | 132 | 127.7 |
| 1976 | 120 | 127.7 |
| 1977 | 130 | 127.7 |
| 1978 | 129 | 127.7 |
| 1979 | 129 | 127.7 |
| 1980 | 128 | 107.4 |
| 1981 | 118 | 107.4 |
| 1982 | 95 | 107.4 |
| 1983 | 113 | 107.4 |
| 1984 | 114 | 107.4 |
| 1985 | 106 | 107.4 |
| 1986 | 109 | 107.4 |
| 1987 | 87 | 107.4 |
| 1988 | 97 | 107.4 |
| 1990 | 95 | 89.4 |
| 1991 | 91 | 89.4 |
| 1992 | 73 | 89.4 |
| 1993 | 87 | 89.4 |
| 1994 | 101 | 89.4 |
| 1995 | 83 | 89.4 |
| 1996 | 74 | 89.4 |
| 1997 | 80 | 89.4 |
| 1998 | 119 | 89.4 |
| 1999 | 91 | 89.4 |
| 2000 | 117 | 99.3 |
| 2001 | 103 | 99.3 |
| 2002 | 109 | 99.3 |
| 2004 | 83 | 99.3 |
| 2005 | 100 | 99.3 |
| 2006 | 92 | 99.3 |
| 2007 | 97 | 99.3 |
| 2008 | 98 | 99.3 |
| 2009 | 95 | 99.3 |
| 2010 | 114 | 114.4 |
| 2011 | 125 | 114.4 |
| 2012 | 126 | 114.4 |
| 2013 | 107 | 114.4 |
| 2014 | 101 | 114.4 |
| 2015 | 101 | 114.4 |
| 2016 | 119 | 114.4 |
| 2017 | 103 | 114.4 |
| 2018 | 128 | 114.4 |
| 2019 | 120 | 114.4 |
| 2020 | 130 | 128.3 |
| 2021 | 118 | 128.3 |
| 2022 | 140 | 128.3 |
| 2023 | 118 | 128.3 |
| 2024 | 131 | 128.3 |
| 2025 | 115 | 128.3 |
| 2026 | 146 | 128.3 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-02-01 | 1963-10-26 |
| 1964 | 1964-04-15 | 1964-10-22 |
| 1965 | 1965-04-04 | 1965-10-15 |
| 1966 | 1966-03-16 | 1966-10-13 |
| 1967 | 1967-03-02 | 1967-10-19 |
| 1968 | 1968-03-29 | 1968-10-30 |
| 1969 | 1969-04-15 | 1969-10-09 |
| 1970 | 1970-02-17 | 1970-10-07 |
| 1971 | 1971-03-27 | 1971-10-16 |
| 1972 | 1972-03-10 | 1972-10-17 |
| 1973 | 1973-04-29 | 1973-10-23 |
| 1974 | 1974-04-25 | 1974-10-17 |
| 1975 | 1975-03-20 | 1975-10-27 |
| 1976 | 1976-03-25 | 1976-10-12 |
| 1977 | 1977-04-08 | 1977-10-26 |
| 1978 | 1978-03-18 | 1978-10-20 |
| 1979 | 1979-02-14 | 1979-10-26 |
| 1980 | 1980-04-19 | 1980-11-08 |
| 1981 | 1981-02-20 | 1981-10-13 |
| 1982 | 1982-04-12 | 1982-10-18 |
| 1983 | 1983-04-25 | 1983-10-06 |
| 1984 | 1984-05-09 | 1984-10-02 |
| 1985 | 1985-05-04 | 1985-10-07 |
| 1986 | 1986-03-30 | 1986-09-27 |
| 1987 | 1987-04-17 | 1987-10-08 |
| 1988 | 1988-04-07 | 1988-10-17 |
| 1990 | 1990-05-09 | 1990-10-17 |
| 1991 | 1991-04-08 | 1991-10-18 |
| 1992 | 1992-04-11 | 1992-10-14 |
| 1993 | 1993-04-24 | 1993-10-08 |
| 1994 | 1994-04-18 | 1994-10-01 |
| 1995 | 1995-03-22 | 1995-10-05 |
| 1996 | 1996-04-25 | 1996-10-14 |
| 1997 | 1997-05-14 | 1997-10-04 |
| 1998 | 1998-03-26 | 1998-10-15 |
| 1999 | 1999-04-21 | 1999-10-15 |
| 2000 | 2000-04-06 | 2000-10-04 |
| 2001 | 2001-04-20 | 2001-10-09 |
| 2002 | 2002-03-14 | 2002-10-12 |
| 2004 | 2004-03-20 | 2004-09-19 |
| 2005 | 2005-04-21 | 2005-10-19 |
| 2006 | 2006-04-06 | 2006-11-09 |
| 2007 | 2007-03-19 | 2007-10-21 |
| 2008 | 2008-04-16 | 2008-10-11 |
| 2009 | 2009-04-23 | 2009-11-09 |
| 2010 | 2010-03-31 | 2010-10-09 |
| 2011 | 2011-04-03 | 2011-10-26 |
| 2012 | 2012-03-17 | 2012-10-24 |
| 2013 | 2013-03-16 | 2013-10-04 |
| 2014 | 2014-04-10 | 2014-10-27 |
| 2015 | 2015-04-02 | 2015-10-15 |
| 2016 | 2016-04-06 | 2016-11-17 |
| 2017 | 2017-02-11 | 2017-10-15 |
| 2018 | 2018-03-24 | 2018-10-06 |
| 2019 | 2019-04-10 | 2019-10-20 |
| 2020 | 2020-03-27 | 2020-10-23 |
| 2021 | 2021-04-26 | 2021-11-08 |
| 2022 | 2022-03-29 | 2022-10-23 |
| 2023 | 2023-04-04 | 2023-10-24 |
| 2024 | 2024-04-14 | 2024-10-29 |
| 2025 | 2025-02-04 | 2025-11-05 |
| 2026 | 2026-02-25 | 2026-10-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 62 | 161 | 1963 | 146 |
| 35 C (95 F): Days | 62 | 87 | 2011 | 91 |
| 40 C (104 F): Days | 39 | 16 | 1980 | 20 |
| 90 F (32.2 C): Days | 62 | 124 | 1963 | 118 |
| 100 F (37.8 C): Days | 61 | 46 | 2011 | 57 |
| 110 F (43.3 C): Days | 3 | 1 | 1964 | 1 |
| 0 C (32 F): Ice days (max | 62 | 25 | 2007 | 4 |
| 0 C (32 F): Frost days (min | 60 | 152 | 2013 | 55 |
| -10 C (14 F): Days with min | 60 | 45 | 1996 | 8 |
| -20 C (-4 F): Days with min | 27 | 8 | 1963 | 2 |
| 20 C (68 F): Tropical nights (min | 60 | 43 | 2011 | 57 |
| 25 C (77 F): Days with min | 4 | 1 | 1964 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 80 | 31 | 2015 | 10 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 80 | 12 | 1950 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 42 | 4 | 2015 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 1946 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 2010 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 41 | 7 | 1983 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 1 | 1964 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.
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).