Fortuna 1 W Threshold Days by Year
18 fixed thresholds counted per year at Fortuna 1 W (USC00323196): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Fortuna 1 W Thresholds
- Fortuna 1 W: days with a maximum temperature at or above 30 C (86 F) in 56 years, most in 1988 with 45.
- Fortuna 1 W: days with a maximum temperature at or above 90 F (32.2 C) in 56 years, most in 1988 with 33.
- Fortuna 1 W: days with a maximum temperature at or below 0 C (32 F) in 56 years, most in 2013 with 124.
- Fortuna 1 W: nights with a minimum temperature at or below 0 C (32 F) in 55 years, most in 2004 with 217.
- 18 fixed thresholds have at least one qualifying day at Fortuna 1 W.
Days at or above 30 C (86 F)
56 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1964 | 34 | 32 |
| 1966 | 37 | 32 |
| 1968 | 25 | 32 |
| 1971 | 27 | 19.3 |
| 1972 | 17 | 19.3 |
| 1973 | 25 | 19.3 |
| 1974 | 19 | 19.3 |
| 1975 | 18 | 19.3 |
| 1976 | 18 | 19.3 |
| 1977 | 16 | 19.3 |
| 1978 | 14 | 19.3 |
| 1979 | 20 | 19.3 |
| 1980 | 28 | 27.8 |
| 1981 | 26 | 27.8 |
| 1982 | 15 | 27.8 |
| 1983 | 42 | 27.8 |
| 1984 | 37 | 27.8 |
| 1985 | 11 | 27.8 |
| 1986 | 16 | 27.8 |
| 1987 | 20 | 27.8 |
| 1988 | 45 | 27.8 |
| 1989 | 38 | 27.8 |
| 1990 | 23 | 18 |
| 1991 | 22 | 18 |
| 1992 | 20 | 18 |
| 1993 | 5 | 18 |
| 1994 | 15 | 18 |
| 1995 | 16 | 18 |
| 1996 | 21 | 18 |
| 1998 | 24 | 18 |
| 1999 | 16 | 18 |
| 2000 | 14 | 22.8 |
| 2001 | 31 | 22.8 |
| 2002 | 21 | 22.8 |
| 2003 | 38 | 22.8 |
| 2004 | 6 | 22.8 |
| 2005 | 21 | 22.8 |
| 2006 | 34 | 22.8 |
| 2007 | 30 | 22.8 |
| 2008 | 20 | 22.8 |
| 2009 | 13 | 22.8 |
| 2010 | 16 | 21.1 |
| 2011 | 22 | 21.1 |
| 2012 | 30 | 21.1 |
| 2013 | 19 | 21.1 |
| 2014 | 15 | 21.1 |
| 2015 | 24 | 21.1 |
| 2016 | 20 | 21.1 |
| 2017 | 30 | 21.1 |
| 2018 | 24 | 21.1 |
| 2019 | 11 | 21.1 |
| 2020 | 25 | 22.4 |
| 2021 | 39 | 22.4 |
| 2022 | 20 | 22.4 |
| 2023 | 24 | 22.4 |
| 2026 | 4 | 22.4 |
| Year | First date | Last date |
|---|---|---|
| 1964 | 1964-05-17 | 1964-09-18 |
| 1966 | 1966-05-26 | 1966-09-12 |
| 1968 | 1968-04-30 | 1968-08-07 |
| 1971 | 1971-06-23 | 1971-09-12 |
| 1972 | 1972-05-17 | 1972-09-10 |
| 1973 | 1973-06-02 | 1973-09-01 |
| 1974 | 1974-06-20 | 1974-08-07 |
| 1975 | 1975-06-25 | 1975-09-17 |
| 1976 | 1976-06-03 | 1976-09-18 |
| 1977 | 1977-04-27 | 1977-07-24 |
| 1978 | 1978-07-02 | 1978-09-11 |
| 1979 | 1979-06-13 | 1979-09-17 |
| 1980 | 1980-04-21 | 1980-09-08 |
| 1981 | 1981-07-02 | 1981-09-20 |
| 1982 | 1982-06-23 | 1982-09-10 |
| 1983 | 1983-06-11 | 1983-09-27 |
| 1984 | 1984-05-31 | 1984-09-18 |
| 1985 | 1985-05-24 | 1985-08-31 |
| 1986 | 1986-05-31 | 1986-08-31 |
| 1987 | 1987-05-09 | 1987-09-16 |
| 1988 | 1988-05-18 | 1988-09-07 |
| 1989 | 1989-04-23 | 1989-10-01 |
| 1990 | 1990-04-22 | 1990-09-13 |
| 1991 | 1991-05-22 | 1991-09-02 |
| 1992 | 1992-05-07 | 1992-10-02 |
| 1993 | 1993-05-14 | 1993-08-11 |
| 1994 | 1994-06-24 | 1994-09-10 |
| 1995 | 1995-06-01 | 1995-09-04 |
| 1996 | 1996-06-09 | 1996-09-01 |
| 1998 | 1998-06-26 | 1998-09-17 |
| 1999 | 1999-05-29 | 1999-08-31 |
| 2000 | 2000-06-08 | 2000-09-18 |
| 2001 | 2001-04-29 | 2001-09-29 |
| 2002 | 2002-06-23 | 2002-09-17 |
| 2003 | 2003-05-30 | 2003-09-09 |
| 2004 | 2004-07-18 | 2004-09-02 |
| 2005 | 2005-06-22 | 2005-09-10 |
| 2006 | 2006-05-19 | 2006-09-14 |
| 2007 | 2007-05-10 | 2007-09-17 |
| 2008 | 2008-07-01 | 2008-08-31 |
| 2009 | 2009-06-21 | 2009-09-20 |
| 2010 | 2010-06-26 | 2010-09-27 |
| 2011 | 2011-06-30 | 2011-09-25 |
| 2012 | 2012-05-17 | 2012-09-11 |
| 2013 | 2013-05-14 | 2013-09-07 |
| 2014 | 2014-05-24 | 2014-09-27 |
| 2015 | 2015-06-09 | 2015-09-26 |
| 2016 | 2016-05-06 | 2016-09-03 |
| 2017 | 2017-05-07 | 2017-09-12 |
| 2018 | 2018-05-27 | 2018-09-04 |
| 2019 | 2019-06-04 | 2019-09-17 |
| 2020 | 2020-06-14 | 2020-09-06 |
| 2021 | 2021-05-19 | 2021-10-07 |
| 2022 | 2022-06-19 | 2022-09-08 |
| 2023 | 2023-06-02 | 2023-09-18 |
| 2026 | 2026-08-02 | 2026-08-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 56 | 45 | 1988 | 4 |
| 35 C (95 F): Days | 47 | 15 | 1988 | 1 |
| 40 C (104 F): Days | 2 | 1 | 1983 | 1 |
| 90 F (32.2 C): Days | 56 | 33 | 1988 | 3 |
| 100 F (37.8 C): Days | 14 | 7 | 1988 | 1 |
| 0 C (32 F): Ice days (max | 56 | 124 | 2013 | 31 |
| 0 C (32 F): Frost days (min | 55 | 217 | 2004 | 79 |
| -10 C (14 F): Days with min | 55 | 123 | 2018 | 44 |
| -20 C (-4 F): Days with min | 55 | 81 | 1978 | 6 |
| -30 C (-22 F): Days with min | 55 | 26 | 1996 | 4 |
| -40 C (-40 F): Days with min | 3 | 1 | 1982 | 1 |
| 20 C (68 F): Tropical nights (min | 13 | 7 | 1988 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 20 | 1975 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 34 | 7 | 1978 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 3 | 1978 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1990 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 28 | 6 | 2006 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 2 | 2009 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.
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).