Columbia Rgnl AP Threshold Days by Year (USW00003945)
18 fixed thresholds counted per year at Columbia Rgnl AP (USW00003945): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Columbia Rgnl AP Thresholds
- Columbia Rgnl AP: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 2018 with 102.
- Columbia Rgnl AP: days with a maximum temperature at or above 90 F (32.2 C) in 57 years, most in 2012 with 76.
- Columbia Rgnl AP: days with a maximum temperature at or below 0 C (32 F) in 57 years, most in 1978 with 48.
- Columbia Rgnl AP: nights with a minimum temperature at or below 0 C (32 F) in 57 years, most in 1989 with 124.
- 18 fixed thresholds have at least one qualifying day at Columbia Rgnl AP.
Days at or above 30 C (86 F)
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1970 | 52 | 62.9 |
| 1971 | 73 | 62.9 |
| 1972 | 68 | 62.9 |
| 1973 | 61 | 62.9 |
| 1974 | 44 | 62.9 |
| 1975 | 58 | 62.9 |
| 1976 | 68 | 62.9 |
| 1977 | 63 | 62.9 |
| 1978 | 80 | 62.9 |
| 1979 | 62 | 62.9 |
| 1980 | 96 | 64.7 |
| 1981 | 48 | 64.7 |
| 1982 | 36 | 64.7 |
| 1983 | 72 | 64.7 |
| 1984 | 67 | 64.7 |
| 1985 | 48 | 64.7 |
| 1986 | 69 | 64.7 |
| 1987 | 79 | 64.7 |
| 1988 | 85 | 64.7 |
| 1989 | 47 | 64.7 |
| 1990 | 54 | 62.6 |
| 1991 | 80 | 62.6 |
| 1992 | 40 | 62.6 |
| 1993 | 59 | 62.6 |
| 1994 | 65 | 62.6 |
| 1995 | 68 | 62.6 |
| 1996 | 61 | 62.6 |
| 1997 | 55 | 62.6 |
| 1998 | 71 | 62.6 |
| 1999 | 73 | 62.6 |
| 2000 | 64 | 59.4 |
| 2001 | 62 | 59.4 |
| 2002 | 77 | 59.4 |
| 2003 | 52 | 59.4 |
| 2004 | 33 | 59.4 |
| 2005 | 74 | 59.4 |
| 2006 | 75 | 59.4 |
| 2007 | 86 | 59.4 |
| 2008 | 44 | 59.4 |
| 2009 | 27 | 59.4 |
| 2010 | 79 | 73.9 |
| 2011 | 74 | 73.9 |
| 2012 | 98 | 73.9 |
| 2013 | 63 | 73.9 |
| 2014 | 58 | 73.9 |
| 2015 | 54 | 73.9 |
| 2016 | 72 | 73.9 |
| 2017 | 60 | 73.9 |
| 2018 | 102 | 73.9 |
| 2019 | 79 | 73.9 |
| 2020 | 70 | 77.7 |
| 2021 | 85 | 77.7 |
| 2022 | 93 | 77.7 |
| 2023 | 80 | 77.7 |
| 2024 | 67 | 77.7 |
| 2025 | 71 | 77.7 |
| 2026 | 78 | 77.7 |
| Year | First date | Last date |
|---|---|---|
| 1970 | 1970-04-28 | 1970-09-20 |
| 1971 | 1971-04-19 | 1971-10-02 |
| 1972 | 1972-04-12 | 1972-09-20 |
| 1973 | 1973-06-09 | 1973-09-08 |
| 1974 | 1974-05-30 | 1974-08-26 |
| 1975 | 1975-06-06 | 1975-10-12 |
| 1976 | 1976-06-13 | 1976-10-03 |
| 1977 | 1977-05-26 | 1977-09-08 |
| 1978 | 1978-05-24 | 1978-10-21 |
| 1979 | 1979-05-07 | 1979-10-21 |
| 1980 | 1980-05-28 | 1980-10-08 |
| 1981 | 1981-06-07 | 1981-10-05 |
| 1982 | 1982-06-29 | 1982-10-05 |
| 1983 | 1983-06-20 | 1983-10-03 |
| 1984 | 1984-04-25 | 1984-09-24 |
| 1985 | 1985-05-26 | 1985-09-20 |
| 1986 | 1986-04-25 | 1986-09-28 |
| 1987 | 1987-04-19 | 1987-09-26 |
| 1988 | 1988-05-14 | 1988-10-17 |
| 1989 | 1989-04-22 | 1989-10-11 |
| 1990 | 1990-05-25 | 1990-09-27 |
| 1991 | 1991-05-14 | 1991-09-15 |
| 1992 | 1992-06-13 | 1992-09-17 |
| 1993 | 1993-06-07 | 1993-09-22 |
| 1994 | 1994-04-14 | 1994-10-01 |
| 1995 | 1995-05-13 | 1995-09-30 |
| 1996 | 1996-04-11 | 1996-09-07 |
| 1997 | 1997-05-18 | 1997-10-07 |
| 1998 | 1998-05-16 | 1998-09-29 |
| 1999 | 1999-06-04 | 1999-10-15 |
| 2000 | 2000-05-08 | 2000-10-03 |
| 2001 | 2001-04-08 | 2001-09-07 |
| 2002 | 2002-04-15 | 2002-10-02 |
| 2003 | 2003-05-09 | 2003-09-11 |
| 2004 | 2004-04-17 | 2004-09-14 |
| 2005 | 2005-05-19 | 2005-09-22 |
| 2006 | 2006-04-13 | 2006-10-03 |
| 2007 | 2007-04-30 | 2007-10-07 |
| 2008 | 2008-05-25 | 2008-09-01 |
| 2009 | 2009-04-23 | 2009-08-15 |
| 2010 | 2010-04-01 | 2010-09-23 |
| 2011 | 2011-04-03 | 2011-09-13 |
| 2012 | 2012-04-01 | 2012-09-12 |
| 2013 | 2013-05-14 | 2013-10-04 |
| 2014 | 2014-05-05 | 2014-09-28 |
| 2015 | 2015-06-07 | 2015-09-17 |
| 2016 | 2016-05-26 | 2016-10-17 |
| 2017 | 2017-04-19 | 2017-10-14 |
| 2018 | 2018-04-12 | 2018-10-05 |
| 2019 | 2019-04-10 | 2019-10-02 |
| 2020 | 2020-04-08 | 2020-10-14 |
| 2021 | 2021-04-26 | 2021-09-30 |
| 2022 | 2022-04-23 | 2022-10-23 |
| 2023 | 2023-04-04 | 2023-10-02 |
| 2024 | 2024-04-15 | 2024-10-12 |
| 2025 | 2025-04-13 | 2025-10-06 |
| 2026 | 2026-03-20 | 2026-10-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 57 | 102 | 2018 | 78 |
| 35 C (95 F): Days | 54 | 47 | 2012 | 16 |
| 40 C (104 F): Days | 11 | 17 | 1980 | 2 |
| 90 F (32.2 C): Days | 57 | 76 | 2012 | 44 |
| 100 F (37.8 C): Days | 24 | 27 | 1980 | 1 |
| 110 F (43.3 C): Days | 2 | 2 | 1980 | 1 |
| 0 C (32 F): Ice days (max | 57 | 48 | 1978 | 14 |
| 0 C (32 F): Frost days (min | 57 | 124 | 1989 | 50 |
| -10 C (14 F): Days with min | 57 | 43 | 1985 | 17 |
| -20 C (-4 F): Days with min | 36 | 11 | 1977 | 1 |
| 20 C (68 F): Tropical nights (min | 57 | 72 | 2018 | 67 |
| 25 C (77 F): Days with min | 24 | 15 | 1980 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 57 | 46 | 1993 | 35 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 20 | 2008 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 49 | 8 | 1993 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 14 | 3 | 2014 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 37 | 4 | 1978 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 1 | 1973 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.
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).