Mt Pleasant 1N Threshold Days by Year (USC00406340)
17 fixed thresholds counted per year at Mt Pleasant 1N (USC00406340): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mt Pleasant 1N Thresholds
- Mt Pleasant 1N: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 2004 with 79.
- Mt Pleasant 1N: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 2004 with 49.
- Mt Pleasant 1N: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 2004 with 17.
- Mt Pleasant 1N: days with a maximum temperature at or above 30 C (86 F) in 56 years, most in 1965 with 121.
- 17 fixed thresholds have at least one qualifying day at Mt Pleasant 1N.
Days at or above 30 C (86 F)
56 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1953 | 113 | 107.1 |
| 1954 | 118 | 107.1 |
| 1955 | 113 | 107.1 |
| 1956 | 105 | 107.1 |
| 1957 | 86 | 107.1 |
| 1958 | 103 | 107.1 |
| 1959 | 112 | 107.1 |
| 1960 | 108 | 94.9 |
| 1961 | 84 | 94.9 |
| 1962 | 115 | 94.9 |
| 1963 | 108 | 94.9 |
| 1964 | 101 | 94.9 |
| 1965 | 121 | 94.9 |
| 1966 | 81 | 94.9 |
| 1967 | 65 | 94.9 |
| 1968 | 84 | 94.9 |
| 1969 | 82 | 94.9 |
| 1970 | 100 | 87.5 |
| 1971 | 92 | 87.5 |
| 1972 | 94 | 87.5 |
| 1973 | 93 | 87.5 |
| 1974 | 61 | 87.5 |
| 1975 | 92 | 87.5 |
| 1976 | 65 | 87.5 |
| 1977 | 111 | 87.5 |
| 1978 | 105 | 87.5 |
| 1979 | 62 | 87.5 |
| 1980 | 111 | 90.7 |
| 1981 | 89 | 90.7 |
| 1982 | 99 | 90.7 |
| 1983 | 71 | 90.7 |
| 1985 | 78 | 90.7 |
| 1986 | 98 | 90.7 |
| 1988 | 89 | 90.7 |
| 1996 | 90 | 90.8 |
| 1997 | 73 | 90.8 |
| 1998 | 110 | 90.8 |
| 1999 | 90 | 90.8 |
| 2000 | 90 | 80.9 |
| 2001 | 73 | 80.9 |
| 2002 | 70 | 80.9 |
| 2004 | 53 | 80.9 |
| 2005 | 89 | 80.9 |
| 2007 | 121 | 80.9 |
| 2008 | 85 | 80.9 |
| 2009 | 66 | 80.9 |
| 2010 | 106 | 104 |
| 2011 | 106 | 104 |
| 2012 | 94 | 104 |
| 2018 | 110 | 104 |
| 2021 | 61 | 87 |
| 2022 | 101 | 87 |
| 2023 | 81 | 87 |
| 2024 | 96 | 87 |
| 2025 | 87 | 87 |
| 2026 | 96 | 87 |
| Year | First date | Last date |
|---|---|---|
| 1953 | 1953-05-01 | 1953-10-24 |
| 1954 | 1954-04-26 | 1954-10-11 |
| 1955 | 1955-04-16 | 1955-10-22 |
| 1956 | 1956-04-27 | 1956-10-06 |
| 1957 | 1957-04-23 | 1957-09-06 |
| 1958 | 1958-04-24 | 1958-09-26 |
| 1959 | 1959-04-20 | 1959-10-05 |
| 1960 | 1960-04-22 | 1960-10-03 |
| 1961 | 1961-04-23 | 1961-10-13 |
| 1962 | 1962-04-30 | 1962-10-20 |
| 1963 | 1963-03-30 | 1963-10-22 |
| 1964 | 1964-04-20 | 1964-09-21 |
| 1965 | 1965-04-19 | 1965-10-17 |
| 1966 | 1966-05-08 | 1966-09-27 |
| 1967 | 1967-03-12 | 1967-10-06 |
| 1968 | 1968-04-18 | 1968-09-02 |
| 1969 | 1969-05-30 | 1969-10-03 |
| 1970 | 1970-04-30 | 1970-10-03 |
| 1971 | 1971-04-21 | 1971-10-05 |
| 1972 | 1972-04-16 | 1972-09-27 |
| 1973 | 1973-05-11 | 1973-10-05 |
| 1974 | 1974-05-18 | 1974-09-21 |
| 1975 | 1975-04-26 | 1975-10-15 |
| 1976 | 1976-04-20 | 1976-09-18 |
| 1977 | 1977-04-13 | 1977-09-27 |
| 1978 | 1978-04-01 | 1978-09-22 |
| 1979 | 1979-05-11 | 1979-09-13 |
| 1980 | 1980-04-23 | 1980-10-11 |
| 1981 | 1981-04-19 | 1981-10-06 |
| 1982 | 1982-03-18 | 1982-10-07 |
| 1983 | 1983-06-11 | 1983-10-18 |
| 1985 | 1985-04-21 | 1985-10-15 |
| 1986 | 1986-04-07 | 1986-10-05 |
| 1988 | 1988-04-06 | 1988-09-24 |
| 1996 | 1996-05-05 | 1996-09-10 |
| 1997 | 1997-05-17 | 1997-10-10 |
| 1998 | 1998-05-14 | 1998-10-05 |
| 1999 | 1999-05-15 | 1999-09-14 |
| 2000 | 2000-05-31 | 2000-10-06 |
| 2001 | 2001-05-18 | 2001-09-06 |
| 2002 | 2002-04-21 | 2002-09-08 |
| 2004 | 2004-05-10 | 2004-09-21 |
| 2005 | 2005-05-10 | 2005-10-19 |
| 2007 | 2007-03-26 | 2007-10-18 |
| 2008 | 2008-05-24 | 2008-09-14 |
| 2009 | 2009-04-26 | 2009-09-25 |
| 2010 | 2010-05-06 | 2010-10-12 |
| 2011 | 2011-04-10 | 2011-09-15 |
| 2012 | 2012-04-03 | 2012-09-08 |
| 2018 | 2018-05-10 | 2018-10-09 |
| 2021 | 2021-05-24 | 2021-10-14 |
| 2022 | 2022-05-03 | 2022-09-25 |
| 2023 | 2023-05-08 | 2023-10-04 |
| 2024 | 2024-05-03 | 2024-10-07 |
| 2025 | 2025-04-15 | 2025-09-22 |
| 2026 | 2026-03-22 | 2026-10-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 56 | 121 | 1965 | 96 |
| 35 C (95 F): Days | 53 | 56 | 1954 | 17 |
| 40 C (104 F): Days | 5 | 6 | 1954 | 2 |
| 90 F (32.2 C): Days | 56 | 99 | 1954 | 58 |
| 100 F (37.8 C): Days | 20 | 21 | 1954 | 1 |
| 0 C (32 F): Ice days (max | 53 | 28 | 2001 | 6 |
| 0 C (32 F): Frost days (min | 54 | 117 | 1969 | 44 |
| -10 C (14 F): Days with min | 51 | 36 | 1977 | 7 |
| -20 C (-4 F): Days with min | 10 | 4 | 1962 | 1 |
| 20 C (68 F): Tropical nights (min | 54 | 101 | 2002 | 75 |
| 25 C (77 F): Days with min | 15 | 46 | 2002 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 60 | 79 | 2004 | 33 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 60 | 49 | 2004 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 60 | 17 | 2004 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 19 | 4 | 2004 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 14 | 2 | 1960 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1964 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.
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).