Mansfield Threshold Days by Year (USC00235227)
18 fixed thresholds counted per year at Mansfield (USC00235227): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mansfield Thresholds
- Mansfield: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1985 with 53.
- Mansfield: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1951 with 24.
- Mansfield: days with 50 mm (1.97 in) or more of precipitation in 66 years, most in 2008 with 8.
- Mansfield: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1980 with 113.
- 18 fixed thresholds have at least one qualifying day at Mansfield.
Days at or above 30 C (86 F)
53 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 100 | 68 |
| 1965 | 56 | 68 |
| 1966 | 63 | 68 |
| 1967 | 49 | 68 |
| 1968 | 59 | 68 |
| 1969 | 81 | 68 |
| 1970 | 74 | 74.3 |
| 1971 | 83 | 74.3 |
| 1972 | 77 | 74.3 |
| 1973 | 69 | 74.3 |
| 1974 | 62 | 74.3 |
| 1975 | 90 | 74.3 |
| 1976 | 53 | 74.3 |
| 1977 | 86 | 74.3 |
| 1980 | 113 | 76.3 |
| 1981 | 74 | 76.3 |
| 1982 | 64 | 76.3 |
| 1983 | 81 | 76.3 |
| 1984 | 66 | 76.3 |
| 1985 | 64 | 76.3 |
| 1986 | 73 | 76.3 |
| 1987 | 80 | 76.3 |
| 1988 | 72 | 76.3 |
| 1993 | 44 | 56 |
| 1994 | 48 | 56 |
| 1996 | 57 | 56 |
| 1997 | 51 | 56 |
| 1998 | 73 | 56 |
| 1999 | 63 | 56 |
| 2000 | 73 | 55 |
| 2001 | 67 | 55 |
| 2002 | 66 | 55 |
| 2003 | 48 | 55 |
| 2004 | 39 | 55 |
| 2005 | 85 | 55 |
| 2006 | 72 | 55 |
| 2007 | 43 | 55 |
| 2008 | 28 | 55 |
| 2009 | 29 | 55 |
| 2010 | 77 | 59.9 |
| 2011 | 75 | 59.9 |
| 2012 | 81 | 59.9 |
| 2013 | 47 | 59.9 |
| 2014 | 43 | 59.9 |
| 2015 | 43 | 59.9 |
| 2016 | 48 | 59.9 |
| 2017 | 40 | 59.9 |
| 2018 | 69 | 59.9 |
| 2019 | 76 | 59.9 |
| 2020 | 68 | 69.5 |
| 2021 | 69 | 69.5 |
| 2022 | 81 | 69.5 |
| 2023 | 60 | 69.5 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-04-21 | 1963-10-20 |
| 1965 | 1965-04-21 | 1965-09-19 |
| 1966 | 1966-05-07 | 1966-09-03 |
| 1967 | 1967-05-24 | 1967-10-04 |
| 1968 | 1968-06-03 | 1968-09-23 |
| 1969 | 1969-05-28 | 1969-10-05 |
| 1970 | 1970-04-28 | 1970-09-21 |
| 1971 | 1971-06-04 | 1971-10-01 |
| 1972 | 1972-04-11 | 1972-09-20 |
| 1973 | 1973-06-09 | 1973-09-21 |
| 1974 | 1974-05-13 | 1974-08-31 |
| 1975 | 1975-05-18 | 1975-10-12 |
| 1976 | 1976-07-08 | 1976-10-03 |
| 1977 | 1977-05-16 | 1977-09-18 |
| 1980 | 1980-04-21 | 1980-10-10 |
| 1981 | 1981-04-13 | 1981-10-05 |
| 1982 | 1982-05-11 | 1982-10-05 |
| 1983 | 1983-06-17 | 1983-10-03 |
| 1984 | 1984-05-13 | 1984-09-13 |
| 1985 | 1985-05-25 | 1985-09-20 |
| 1986 | 1986-06-08 | 1986-09-28 |
| 1987 | 1987-04-19 | 1987-09-26 |
| 1988 | 1988-04-05 | 1988-09-22 |
| 1993 | 1993-06-13 | 1993-09-11 |
| 1994 | 1994-06-14 | 1994-10-01 |
| 1996 | 1996-05-18 | 1996-09-10 |
| 1997 | 1997-05-27 | 1997-09-20 |
| 1998 | 1998-05-19 | 1998-09-30 |
| 1999 | 1999-06-05 | 1999-09-08 |
| 2000 | 2000-05-09 | 2000-10-05 |
| 2001 | 2001-04-10 | 2001-09-08 |
| 2002 | 2002-05-02 | 2002-10-03 |
| 2003 | 2003-05-31 | 2003-08-29 |
| 2004 | 2004-06-08 | 2004-10-19 |
| 2005 | 2005-05-12 | 2005-09-24 |
| 2006 | 2006-04-19 | 2006-10-05 |
| 2007 | 2007-06-17 | 2007-09-07 |
| 2008 | 2008-06-04 | 2008-09-02 |
| 2009 | 2009-06-17 | 2009-08-18 |
| 2010 | 2010-05-25 | 2010-09-20 |
| 2011 | 2011-04-04 | 2011-09-14 |
| 2012 | 2012-04-02 | 2012-09-26 |
| 2013 | 2013-05-15 | 2013-09-13 |
| 2014 | 2014-05-05 | 2014-09-10 |
| 2015 | 2015-06-08 | 2015-09-19 |
| 2016 | 2016-06-11 | 2016-09-26 |
| 2017 | 2017-06-15 | 2017-10-15 |
| 2018 | 2018-05-28 | 2018-09-21 |
| 2019 | 2019-05-17 | 2019-10-03 |
| 2020 | 2020-04-09 | 2020-10-15 |
| 2021 | 2021-06-11 | 2021-09-28 |
| 2022 | 2022-05-10 | 2022-09-25 |
| 2023 | 2023-06-01 | 2023-10-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 53 | 113 | 1980 | 60 |
| 35 C (95 F): Days | 50 | 61 | 1980 | 7 |
| 40 C (104 F): Days | 3 | 3 | 1966 | 1 |
| 90 F (32.2 C): Days | 53 | 94 | 1980 | 24 |
| 100 F (37.8 C): Days | 22 | 26 | 1980 | 1 |
| 0 C (32 F): Ice days (max | 53 | 29 | 1985 | 4 |
| 0 C (32 F): Frost days (min | 53 | 160 | 1987 | 78 |
| -10 C (14 F): Days with min | 53 | 49 | 1985 | 1 |
| -20 C (-4 F): Days with min | 23 | 12 | 1985 | 2 |
| -30 C (-22 F): Days with min | 1 | 1 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 50 | 57 | 2010 | 29 |
| 25 C (77 F): Days with min | 4 | 5 | 1993 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 74 | 53 | 1985 | 12 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 74 | 24 | 1951 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 66 | 8 | 2008 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 13 | 2 | 2015 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 38 | 4 | 2002 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 1 | 1951 | 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 (2025-12-31).