Winchester Threshold Days by Year
16 fixed thresholds counted per year at Winchester (USC00109846): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Winchester Thresholds
- Winchester: days with a maximum temperature at or below 0 C (32 F) in 49 years, most in 1985 with 57.
- Winchester: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1975 with 30.
- Winchester: nights with a minimum temperature at or below 0 C (32 F) in 48 years, most in 1971 with 210.
- Winchester: nights with a minimum temperature at or below -10 C (14 F) in 48 years, most in 1985 with 84.
- 16 fixed thresholds have at least one qualifying day at Winchester.
Days at or above 30 C (86 F)
47 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1966 | 11 | 18.5 |
| 1967 | 38 | 18.5 |
| 1968 | 15 | 18.5 |
| 1969 | 10 | 18.5 |
| 1970 | 21 | 15.4 |
| 1971 | 24 | 15.4 |
| 1972 | 13 | 15.4 |
| 1973 | 27 | 15.4 |
| 1974 | 11 | 15.4 |
| 1975 | 11 | 15.4 |
| 1976 | 3 | 15.4 |
| 1977 | 17 | 15.4 |
| 1978 | 11 | 15.4 |
| 1979 | 16 | 15.4 |
| 1980 | 3 | 8.9 |
| 1981 | 14 | 8.9 |
| 1982 | 6 | 8.9 |
| 1983 | 8 | 8.9 |
| 1984 | 3 | 8.9 |
| 1985 | 12 | 8.9 |
| 1986 | 16 | 8.9 |
| 1987 | 8 | 8.9 |
| 1988 | 14 | 8.9 |
| 1989 | 5 | 8.9 |
| 1990 | 12 | 11.4 |
| 1991 | 6 | 11.4 |
| 1992 | 11 | 11.4 |
| 1994 | 13 | 11.4 |
| 1996 | 14 | 11.4 |
| 1997 | 7 | 11.4 |
| 1998 | 21 | 11.4 |
| 1999 | 7 | 11.4 |
| 2000 | 10 | 16.8 |
| 2001 | 11 | 16.8 |
| 2002 | 8 | 16.8 |
| 2003 | 28 | 16.8 |
| 2004 | 13 | 16.8 |
| 2005 | 18 | 16.8 |
| 2006 | 22 | 16.8 |
| 2007 | 22 | 16.8 |
| 2008 | 15 | 16.8 |
| 2009 | 21 | 16.8 |
| 2010 | 7 | 15.2 |
| 2011 | 14 | 15.2 |
| 2012 | 18 | 15.2 |
| 2013 | 22 | 15.2 |
| 2014 | 15 | 15.2 |
| Year | First date | Last date |
|---|---|---|
| 1966 | 1966-05-04 | 1966-09-22 |
| 1967 | 1967-07-02 | 1967-09-28 |
| 1968 | 1968-07-03 | 1968-08-04 |
| 1969 | 1969-07-23 | 1969-09-08 |
| 1970 | 1970-06-03 | 1970-08-31 |
| 1971 | 1971-07-17 | 1971-08-29 |
| 1972 | 1972-07-05 | 1972-08-29 |
| 1973 | 1973-06-21 | 1973-09-06 |
| 1974 | 1974-06-14 | 1974-08-26 |
| 1975 | 1975-07-04 | 1975-08-04 |
| 1976 | 1976-06-29 | 1976-09-01 |
| 1977 | 1977-06-06 | 1977-08-21 |
| 1978 | 1978-07-14 | 1978-08-09 |
| 1979 | 1979-06-28 | 1979-09-15 |
| 1980 | 1980-07-22 | 1980-09-05 |
| 1981 | 1981-07-04 | 1981-09-18 |
| 1982 | 1982-07-29 | 1982-08-21 |
| 1983 | 1983-07-30 | 1983-08-10 |
| 1984 | 1984-06-28 | 1984-07-25 |
| 1985 | 1985-07-03 | 1985-07-29 |
| 1986 | 1986-05-26 | 1986-08-28 |
| 1987 | 1987-06-30 | 1987-10-02 |
| 1988 | 1988-05-22 | 1988-09-05 |
| 1989 | 1989-07-15 | 1989-08-13 |
| 1990 | 1990-07-12 | 1990-09-11 |
| 1991 | 1991-07-25 | 1991-08-23 |
| 1992 | 1992-06-23 | 1992-09-30 |
| 1994 | 1994-07-18 | 1994-09-08 |
| 1996 | 1996-07-02 | 1996-09-11 |
| 1997 | 1997-07-21 | 1997-09-01 |
| 1998 | 1998-07-25 | 1998-09-15 |
| 1999 | 1999-07-27 | 1999-08-23 |
| 2000 | 2000-07-21 | 2000-09-14 |
| 2001 | 2001-07-04 | 2001-09-23 |
| 2002 | 2002-06-26 | 2002-09-14 |
| 2003 | 2003-05-24 | 2003-09-04 |
| 2004 | 2004-07-14 | 2004-08-15 |
| 2005 | 2005-06-21 | 2005-08-28 |
| 2006 | 2006-06-27 | 2006-09-05 |
| 2007 | 2007-06-03 | 2007-08-30 |
| 2008 | 2008-06-29 | 2008-09-19 |
| 2009 | 2009-07-04 | 2009-09-23 |
| 2010 | 2010-07-25 | 2010-08-26 |
| 2011 | 2011-07-24 | 2011-09-24 |
| 2012 | 2012-07-07 | 2012-09-14 |
| 2013 | 2013-07-01 | 2013-09-14 |
| 2014 | 2014-07-02 | 2014-08-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 47 | 38 | 1967 | 15 |
| 35 C (95 F): Days | 14 | 5 | 1967 | 1 |
| 90 F (32.2 C): Days | 44 | 20 | 1967 | 4 |
| 0 C (32 F): Ice days (max | 49 | 57 | 1985 | 24 |
| 0 C (32 F): Frost days (min | 48 | 210 | 1971 | 124 |
| -10 C (14 F): Days with min | 48 | 84 | 1985 | 17 |
| -20 C (-4 F): Days with min | 38 | 17 | 1972 | 2 |
| -30 C (-22 F): Days with min | 10 | 3 | 1983 | 1 |
| -40 C (-40 F): Days with min | 1 | 1 | 1968 | 1 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1992 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 49 | 30 | 1975 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 32 | 5 | 1975 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1993 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 46 | 22 | 1975 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 13 | 3 | 1966 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 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 1966.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).