W Union 2 Threshold Days by Year
16 fixed thresholds counted per year at W Union 2 (USC00469458): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for W Union 2 Thresholds
- W Union 2: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 2018 with 56.
- W Union 2: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1989 with 20.
- W Union 2: days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 2010 with 71.
- W Union 2: days with a maximum temperature at or below 0 C (32 F) in 48 years, most in 2010 with 45.
- 16 fixed thresholds have at least one qualifying day at W Union 2.
Days at or above 30 C (86 F)
48 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1972 | 22 | 35.1 |
| 1973 | 46 | 35.1 |
| 1974 | 25 | 35.1 |
| 1975 | 39 | 35.1 |
| 1976 | 27 | 35.1 |
| 1977 | 49 | 35.1 |
| 1978 | 44 | 35.1 |
| 1979 | 29 | 35.1 |
| 1980 | 44 | 38.9 |
| 1981 | 25 | 38.9 |
| 1982 | 32 | 38.9 |
| 1983 | 61 | 38.9 |
| 1984 | 34 | 38.9 |
| 1988 | 59 | 38.9 |
| 1989 | 17 | 38.9 |
| 1990 | 32 | 36.8 |
| 1991 | 55 | 36.8 |
| 1992 | 19 | 36.8 |
| 1993 | 44 | 36.8 |
| 1994 | 30 | 36.8 |
| 1995 | 43 | 36.8 |
| 1996 | 30 | 36.8 |
| 1997 | 17 | 36.8 |
| 1998 | 38 | 36.8 |
| 1999 | 60 | 36.8 |
| 2000 | 15 | 38.9 |
| 2001 | 21 | 38.9 |
| 2002 | 60 | 38.9 |
| 2003 | 32 | 38.9 |
| 2004 | 32 | 38.9 |
| 2005 | 63 | 38.9 |
| 2006 | 41 | 38.9 |
| 2007 | 66 | 38.9 |
| 2008 | 36 | 38.9 |
| 2009 | 23 | 38.9 |
| 2010 | 71 | 55.1 |
| 2011 | 44 | 55.1 |
| 2012 | 67 | 55.1 |
| 2013 | 32 | 55.1 |
| 2014 | 32 | 55.1 |
| 2015 | 59 | 55.1 |
| 2016 | 70 | 55.1 |
| 2017 | 36 | 55.1 |
| 2018 | 71 | 55.1 |
| 2019 | 69 | 55.1 |
| 2020 | 58 | 47 |
| 2021 | 47 | 47 |
| 2026 | 36 | 47 |
| Year | First date | Last date |
|---|---|---|
| 1972 | 1972-05-26 | 1972-09-18 |
| 1973 | 1973-06-05 | 1973-09-28 |
| 1974 | 1974-04-02 | 1974-08-28 |
| 1975 | 1975-05-22 | 1975-09-06 |
| 1976 | 1976-04-18 | 1976-09-14 |
| 1977 | 1977-04-20 | 1977-09-05 |
| 1978 | 1978-05-13 | 1978-09-22 |
| 1979 | 1979-05-08 | 1979-09-14 |
| 1980 | 1980-05-30 | 1980-09-21 |
| 1981 | 1981-05-25 | 1981-09-15 |
| 1982 | 1982-05-07 | 1982-09-14 |
| 1983 | 1983-05-08 | 1983-09-21 |
| 1984 | 1984-04-28 | 1984-09-14 |
| 1988 | 1988-05-09 | 1988-08-29 |
| 1989 | 1989-03-29 | 1989-09-22 |
| 1990 | 1990-04-26 | 1990-09-07 |
| 1991 | 1991-05-13 | 1991-09-16 |
| 1992 | 1992-05-13 | 1992-09-08 |
| 1993 | 1993-05-09 | 1993-09-15 |
| 1994 | 1994-05-24 | 1994-09-16 |
| 1995 | 1995-05-25 | 1995-09-08 |
| 1996 | 1996-04-30 | 1996-08-24 |
| 1997 | 1997-05-20 | 1997-08-17 |
| 1998 | 1998-05-16 | 1998-09-28 |
| 1999 | 1999-05-07 | 1999-09-27 |
| 2000 | 2000-05-07 | 2000-09-11 |
| 2001 | 2001-04-24 | 2001-08-10 |
| 2002 | 2002-04-16 | 2002-09-21 |
| 2003 | 2003-06-25 | 2003-09-15 |
| 2004 | 2004-04-19 | 2004-09-08 |
| 2005 | 2005-05-12 | 2005-10-07 |
| 2006 | 2006-05-29 | 2006-08-28 |
| 2007 | 2007-05-02 | 2007-10-09 |
| 2008 | 2008-06-06 | 2008-10-13 |
| 2009 | 2009-04-25 | 2009-08-28 |
| 2010 | 2010-04-03 | 2010-10-27 |
| 2011 | 2011-04-11 | 2011-09-05 |
| 2012 | 2012-03-21 | 2012-09-08 |
| 2013 | 2013-04-11 | 2013-10-07 |
| 2014 | 2014-04-14 | 2014-09-07 |
| 2015 | 2015-05-07 | 2015-09-20 |
| 2016 | 2016-05-28 | 2016-09-24 |
| 2017 | 2017-05-01 | 2017-10-08 |
| 2018 | 2018-04-14 | 2018-10-09 |
| 2019 | 2019-04-19 | 2019-10-04 |
| 2020 | 2020-03-29 | 2020-09-13 |
| 2021 | 2021-05-19 | 2021-09-20 |
| 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 | 48 | 71 | 2010 | 36 |
| 35 C (95 F): Days | 21 | 13 | 1988 | 1 |
| 90 F (32.2 C): Days | 47 | 40 | 1988 | 14 |
| 100 F (37.8 C): Days | 3 | 5 | 1988 | 1 |
| 0 C (32 F): Ice days (max | 48 | 45 | 2010 | 18 |
| 0 C (32 F): Frost days (min | 46 | 164 | 1988 | 56 |
| -10 C (14 F): Days with min | 46 | 49 | 1977 | 19 |
| -20 C (-4 F): Days with min | 24 | 15 | 1977 | 1 |
| -30 C (-22 F): Days with min | 2 | 2 | 1994 | 2 |
| 20 C (68 F): Tropical nights (min | 44 | 24 | 2016 | 40 |
| 25 C (77 F): Days with min | 1 | 0 | n/a | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 49 | 56 | 2018 | 29 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 49 | 20 | 1989 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 32 | 5 | 2018 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 22 | 6 | 1994 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 3 | 3 | 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 (2026-10-17).