Low Isles Lighthouse Threshold Days by Year (ASN00031037)
11 fixed thresholds counted per year at Low Isles Lighthouse (ASN00031037): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Low Isles Lighthouse Thresholds
- Low Isles Lighthouse: days with 10 mm (0.39 in) or more of precipitation in 132 years, most in 1973 with 76.
- Low Isles Lighthouse: days with 25 mm (0.98 in) or more of precipitation in 132 years, most in 1973 with 45.
- Low Isles Lighthouse: days with 50 mm (1.97 in) or more of precipitation in 132 years, most in 1910 with 20.
- Low Isles Lighthouse: days with 100 mm (3.94 in) or more of precipitation in 119 years, most in 1945 with 9.
- 11 fixed thresholds have at least one qualifying day at Low Isles Lighthouse.
Days at or above 30 C (86 F)
55 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1968 | 173 | 164 |
| 1969 | 155 | 164 |
| 1970 | 175 | 147.4 |
| 1971 | 161 | 147.4 |
| 1972 | 143 | 147.4 |
| 1973 | 145 | 147.4 |
| 1974 | 148 | 147.4 |
| 1975 | 131 | 147.4 |
| 1976 | 156 | 147.4 |
| 1977 | 128 | 147.4 |
| 1978 | 137 | 147.4 |
| 1979 | 150 | 147.4 |
| 1980 | 166 | 175.4 |
| 1982 | 149 | 175.4 |
| 1983 | 188 | 175.4 |
| 1984 | 152 | 175.4 |
| 1985 | 163 | 175.4 |
| 1986 | 193 | 175.4 |
| 1987 | 191 | 175.4 |
| 1988 | 192 | 175.4 |
| 1989 | 185 | 175.4 |
| 1990 | 188 | 171.4 |
| 1991 | 164 | 171.4 |
| 1992 | 210 | 171.4 |
| 1993 | 167 | 171.4 |
| 1994 | 162 | 171.4 |
| 1995 | 180 | 171.4 |
| 1996 | 179 | 171.4 |
| 1997 | 161 | 171.4 |
| 1999 | 132 | 171.4 |
| 2000 | 135 | 165.3 |
| 2001 | 169 | 165.3 |
| 2002 | 182 | 165.3 |
| 2003 | 188 | 165.3 |
| 2004 | 133 | 165.3 |
| 2005 | 170 | 165.3 |
| 2008 | 153 | 165.3 |
| 2009 | 192 | 165.3 |
| 2010 | 120 | 158.4 |
| 2011 | 142 | 158.4 |
| 2012 | 155 | 158.4 |
| 2013 | 187 | 158.4 |
| 2014 | 131 | 158.4 |
| 2015 | 165 | 158.4 |
| 2016 | 200 | 158.4 |
| 2017 | 170 | 158.4 |
| 2018 | 157 | 158.4 |
| 2019 | 157 | 158.4 |
| 2020 | 166 | 142.3 |
| 2021 | 155 | 142.3 |
| 2022 | 170 | 142.3 |
| 2023 | 143 | 142.3 |
| 2024 | 148 | 142.3 |
| 2025 | 155 | 142.3 |
| 2026 | 59 | 142.3 |
| Year | First date | Last date |
|---|---|---|
| 1968 | 1968-01-01 | 1968-12-31 |
| 1969 | 1969-01-01 | 1969-12-31 |
| 1970 | 1970-01-01 | 1970-12-31 |
| 1971 | 1971-01-01 | 1971-12-31 |
| 1972 | 1972-01-01 | 1972-12-31 |
| 1973 | 1973-01-01 | 1973-12-31 |
| 1974 | 1974-01-01 | 1974-12-28 |
| 1975 | 1975-01-02 | 1975-12-29 |
| 1976 | 1976-01-09 | 1976-12-31 |
| 1977 | 1977-01-01 | 1977-12-31 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1979 | 1979-01-08 | 1979-12-31 |
| 1980 | 1980-01-01 | 1980-12-31 |
| 1982 | 1982-01-01 | 1982-12-31 |
| 1983 | 1983-01-01 | 1983-12-31 |
| 1984 | 1984-01-01 | 1984-12-31 |
| 1985 | 1985-01-01 | 1985-12-31 |
| 1986 | 1986-01-01 | 1986-12-31 |
| 1987 | 1987-01-01 | 1987-12-31 |
| 1988 | 1988-01-01 | 1988-12-29 |
| 1989 | 1989-01-01 | 1989-12-31 |
| 1990 | 1990-01-01 | 1990-12-31 |
| 1991 | 1991-01-02 | 1991-12-31 |
| 1992 | 1992-01-01 | 1992-12-31 |
| 1993 | 1993-01-01 | 1993-12-29 |
| 1994 | 1994-01-01 | 1994-12-31 |
| 1995 | 1995-01-01 | 1995-12-31 |
| 1996 | 1996-01-01 | 1996-12-30 |
| 1997 | 1997-01-01 | 1997-12-29 |
| 1999 | 1999-01-01 | 1999-12-31 |
| 2000 | 2000-01-01 | 2000-12-31 |
| 2001 | 2001-01-08 | 2001-12-30 |
| 2002 | 2002-01-03 | 2002-12-31 |
| 2003 | 2003-01-01 | 2003-12-31 |
| 2004 | 2004-01-01 | 2004-12-30 |
| 2005 | 2005-01-02 | 2005-12-31 |
| 2008 | 2008-01-01 | 2008-12-30 |
| 2009 | 2009-01-04 | 2009-12-31 |
| 2010 | 2010-01-01 | 2010-12-31 |
| 2011 | 2011-01-03 | 2011-12-31 |
| 2012 | 2012-01-02 | 2012-12-31 |
| 2013 | 2013-01-01 | 2013-12-31 |
| 2014 | 2014-01-01 | 2014-12-31 |
| 2015 | 2015-01-01 | 2015-12-29 |
| 2016 | 2016-01-01 | 2016-12-31 |
| 2017 | 2017-01-01 | 2017-12-31 |
| 2018 | 2018-01-01 | 2018-12-23 |
| 2019 | 2019-01-03 | 2019-12-31 |
| 2020 | 2020-01-01 | 2020-12-31 |
| 2021 | 2021-01-01 | 2021-12-31 |
| 2022 | 2022-01-01 | 2022-12-24 |
| 2023 | 2023-01-01 | 2023-12-31 |
| 2024 | 2024-01-01 | 2024-12-31 |
| 2025 | 2025-01-01 | 2025-12-31 |
| 2026 | 2026-01-01 | 2026-06-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 55 | 210 | 1992 | 59 |
| 35 C (95 F): Days | 51 | 26 | 2016 | 2 |
| 90 F (32.2 C): Days | 55 | 113 | 2016 | 28 |
| 100 F (37.8 C): Days | 8 | 2 | 1995 | 1 |
| 20 C (68 F): Tropical nights (min | 52 | 364 | 1973 | 260 |
| 25 C (77 F): Days with min | 52 | 159 | 2025 | 66 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 132 | 76 | 1973 | 59 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 132 | 45 | 1973 | 27 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 132 | 20 | 1910 | 11 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 119 | 9 | 1945 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 34 | 3 | 1911 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.
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).