Ryegate 18 NNW Threshold Days by Year
17 fixed thresholds counted per year at Ryegate 18 NNW (USC00247263): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Ryegate 18 NNW Thresholds
- Ryegate 18 NNW: days with a maximum temperature at or above 30 C (86 F) in 63 years, most in 1988 with 65.
- Ryegate 18 NNW: days with a maximum temperature at or above 90 F (32.2 C) in 63 years, most in 1988 with 40.
- Ryegate 18 NNW: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1978 with 82.
- Ryegate 18 NNW: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1975 with 217.
- 17 fixed thresholds have at least one qualifying day at Ryegate 18 NNW.
Days at or above 30 C (86 F)
63 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 36 | 26 |
| 1964 | 26 | 26 |
| 1965 | 11 | 26 |
| 1966 | 38 | 26 |
| 1967 | 24 | 26 |
| 1968 | 10 | 26 |
| 1969 | 37 | 26 |
| 1970 | 40 | 26.3 |
| 1971 | 40 | 26.3 |
| 1972 | 20 | 26.3 |
| 1973 | 31 | 26.3 |
| 1974 | 32 | 26.3 |
| 1975 | 17 | 26.3 |
| 1976 | 22 | 26.3 |
| 1977 | 19 | 26.3 |
| 1978 | 17 | 26.3 |
| 1979 | 25 | 26.3 |
| 1980 | 13 | 28.3 |
| 1981 | 24 | 28.3 |
| 1982 | 10 | 28.3 |
| 1983 | 36 | 28.3 |
| 1984 | 39 | 28.3 |
| 1985 | 32 | 28.3 |
| 1986 | 21 | 28.3 |
| 1987 | 19 | 28.3 |
| 1988 | 65 | 28.3 |
| 1989 | 24 | 28.3 |
| 1991 | 31 | 30.2 |
| 1992 | 21 | 30.2 |
| 1993 | 7 | 30.2 |
| 1994 | 44 | 30.2 |
| 1995 | 25 | 30.2 |
| 1996 | 41 | 30.2 |
| 1997 | 21 | 30.2 |
| 1998 | 46 | 30.2 |
| 1999 | 36 | 30.2 |
| 2000 | 42 | 34 |
| 2001 | 35 | 34 |
| 2002 | 30 | 34 |
| 2003 | 46 | 34 |
| 2004 | 23 | 34 |
| 2005 | 31 | 34 |
| 2006 | 41 | 34 |
| 2007 | 45 | 34 |
| 2008 | 22 | 34 |
| 2009 | 25 | 34 |
| 2010 | 24 | 29.3 |
| 2011 | 26 | 29.3 |
| 2012 | 53 | 29.3 |
| 2013 | 32 | 29.3 |
| 2014 | 26 | 29.3 |
| 2015 | 29 | 29.3 |
| 2016 | 23 | 29.3 |
| 2017 | 48 | 29.3 |
| 2018 | 16 | 29.3 |
| 2019 | 16 | 29.3 |
| 2020 | 32 | 34 |
| 2021 | 48 | 34 |
| 2022 | 45 | 34 |
| 2023 | 17 | 34 |
| 2024 | 39 | 34 |
| 2025 | 21 | 34 |
| 2026 | 36 | 34 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-06-27 | 1963-10-02 |
| 1964 | 1964-07-07 | 1964-08-19 |
| 1965 | 1965-07-16 | 1965-08-12 |
| 1966 | 1966-05-27 | 1966-09-23 |
| 1967 | 1967-07-05 | 1967-09-28 |
| 1968 | 1968-07-06 | 1968-09-11 |
| 1969 | 1969-05-24 | 1969-09-11 |
| 1970 | 1970-06-22 | 1970-09-04 |
| 1971 | 1971-06-22 | 1971-09-11 |
| 1972 | 1972-05-31 | 1972-08-29 |
| 1973 | 1973-06-13 | 1973-08-30 |
| 1974 | 1974-06-17 | 1974-08-06 |
| 1975 | 1975-07-03 | 1975-08-28 |
| 1976 | 1976-07-04 | 1976-09-06 |
| 1977 | 1977-06-01 | 1977-09-07 |
| 1978 | 1978-07-15 | 1978-09-05 |
| 1979 | 1979-06-11 | 1979-09-16 |
| 1980 | 1980-05-21 | 1980-09-06 |
| 1981 | 1981-06-26 | 1981-09-18 |
| 1982 | 1982-08-01 | 1982-09-09 |
| 1983 | 1983-06-23 | 1983-09-07 |
| 1984 | 1984-05-29 | 1984-09-05 |
| 1985 | 1985-05-23 | 1985-08-31 |
| 1986 | 1986-05-30 | 1986-08-30 |
| 1987 | 1987-04-28 | 1987-09-23 |
| 1988 | 1988-05-16 | 1988-09-06 |
| 1989 | 1989-06-19 | 1989-08-12 |
| 1991 | 1991-07-05 | 1991-10-11 |
| 1992 | 1992-05-06 | 1992-10-03 |
| 1993 | 1993-05-13 | 1993-10-06 |
| 1994 | 1994-06-24 | 1994-09-29 |
| 1995 | 1995-07-08 | 1995-10-12 |
| 1996 | 1996-06-09 | 1996-10-11 |
| 1997 | 1997-07-10 | 1997-10-02 |
| 1998 | 1998-07-08 | 1998-09-18 |
| 1999 | 1999-06-19 | 1999-09-24 |
| 2000 | 2000-06-07 | 2000-09-18 |
| 2001 | 2001-05-13 | 2001-10-02 |
| 2002 | 2002-06-17 | 2002-09-17 |
| 2003 | 2003-05-30 | 2003-09-08 |
| 2004 | 2004-07-11 | 2004-09-12 |
| 2005 | 2005-06-23 | 2005-09-10 |
| 2006 | 2006-05-19 | 2006-09-14 |
| 2007 | 2007-06-29 | 2007-09-17 |
| 2008 | 2008-05-19 | 2008-08-31 |
| 2009 | 2009-05-20 | 2009-09-27 |
| 2010 | 2010-06-29 | 2010-10-04 |
| 2011 | 2011-06-30 | 2011-10-02 |
| 2012 | 2012-04-24 | 2012-09-19 |
| 2013 | 2013-05-13 | 2013-09-17 |
| 2014 | 2014-07-05 | 2014-09-26 |
| 2015 | 2015-06-10 | 2015-10-11 |
| 2016 | 2016-06-08 | 2016-09-02 |
| 2017 | 2017-06-05 | 2017-09-13 |
| 2018 | 2018-07-07 | 2018-08-18 |
| 2019 | 2019-07-12 | 2019-09-17 |
| 2020 | 2020-06-14 | 2020-09-15 |
| 2021 | 2021-05-19 | 2021-09-26 |
| 2022 | 2022-06-18 | 2022-09-29 |
| 2023 | 2023-07-22 | 2023-09-04 |
| 2024 | 2024-06-13 | 2024-09-30 |
| 2025 | 2025-07-02 | 2025-09-25 |
| 2026 | 2026-05-14 | 2026-09-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 63 | 65 | 1988 | 36 |
| 35 C (95 F): Days | 43 | 20 | 1988 | 5 |
| 40 C (104 F): Days | 1 | 0 | n/a | 1 |
| 90 F (32.2 C): Days | 63 | 40 | 1988 | 20 |
| 100 F (37.8 C): Days | 8 | 3 | 1999 | 1 |
| 0 C (32 F): Ice days (max | 63 | 82 | 1978 | 16 |
| 0 C (32 F): Frost days (min | 63 | 217 | 1975 | 120 |
| -10 C (14 F): Days with min | 63 | 89 | 1978 | 23 |
| -20 C (-4 F): Days with min | 63 | 38 | 1996 | 9 |
| -30 C (-22 F): Days with min | 48 | 13 | 1972 | 3 |
| -40 C (-40 F): Days with min | 4 | 1 | 1968 | 1 |
| 20 C (68 F): Tropical nights (min | 5 | 2 | 1988 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 63 | 16 | 2018 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 45 | 5 | 1995 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 2 | 1965 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 57 | 13 | 2018 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 2 | 2017 | 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).