Coppin Rock Threshold Days by Year
4 fixed thresholds counted per year at Coppin Rock (ASN00012295): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Coppin Rock Thresholds
- Coppin Rock: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1963 with 17.
- Coppin Rock: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1963 with 4.
- Coppin Rock: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1966 with 2.
- Coppin Rock: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1966 with 1.
- 4 fixed thresholds have at least one qualifying day at Coppin Rock.
Days with 10 mm (0.39 in) or more of precipitation
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1959 | 12 | 12 |
| 1960 | 9 | 8.5 |
| 1961 | 7 | 8.5 |
| 1962 | 5 | 8.5 |
| 1963 | 17 | 8.5 |
| 1964 | 7 | 8.5 |
| 1965 | 8 | 8.5 |
| 1966 | 12 | 8.5 |
| 1967 | 6 | 8.5 |
| 1968 | 10 | 8.5 |
| 1969 | 4 | 8.5 |
| 1970 | 7 | 7 |
| 1971 | 8 | 7 |
| 1972 | 8 | 7 |
| 1973 | 8 | 7 |
| 1974 | 7 | 7 |
| 1975 | 5 | 7 |
| 1977 | 5 | 7 |
| 1978 | 12 | 7 |
| 1979 | 3 | 7 |
| 1981 | 12 | 9.4 |
| 1982 | 8 | 9.4 |
| 1983 | 8 | 9.4 |
| 1984 | 12 | 9.4 |
| 1985 | 10 | 9.4 |
| 1986 | 5 | 9.4 |
| 1987 | 14 | 9.4 |
| 1988 | 8 | 9.4 |
| 1989 | 8 | 9.4 |
| 1990 | 9 | 9.3 |
| 1991 | 5 | 9.3 |
| 1992 | 12 | 9.3 |
| 1993 | 7 | 9.3 |
| 1997 | 11 | 9.3 |
| 1998 | 12 | 9.3 |
| 2000 | 7 | 6 |
| 2001 | 6 | 6 |
| 2002 | 5 | 6 |
| 2004 | 4 | 6 |
| 2006 | 10 | 6 |
| 2007 | 4 | 6 |
| Year | First date | Last date |
|---|---|---|
| 1959 | 1959-01-01 | 1959-12-02 |
| 1960 | 1960-02-08 | 1960-12-17 |
| 1961 | 1961-01-27 | 1961-07-18 |
| 1962 | 1962-01-31 | 1962-12-22 |
| 1963 | 1963-01-11 | 1963-08-24 |
| 1964 | 1964-06-07 | 1964-07-15 |
| 1965 | 1965-05-05 | 1965-09-26 |
| 1966 | 1966-01-02 | 1966-11-06 |
| 1967 | 1967-01-23 | 1967-07-26 |
| 1968 | 1968-03-25 | 1968-09-10 |
| 1969 | 1969-05-18 | 1969-09-12 |
| 1970 | 1970-02-16 | 1970-10-04 |
| 1971 | 1971-03-13 | 1971-11-27 |
| 1972 | 1972-05-31 | 1972-09-11 |
| 1973 | 1973-01-10 | 1973-11-05 |
| 1974 | 1974-03-31 | 1974-11-18 |
| 1975 | 1975-03-20 | 1975-12-11 |
| 1977 | 1977-05-16 | 1977-12-28 |
| 1978 | 1978-01-02 | 1978-12-19 |
| 1979 | 1979-06-24 | 1979-08-19 |
| 1981 | 1981-01-01 | 1981-11-11 |
| 1982 | 1982-05-02 | 1982-12-27 |
| 1983 | 1983-07-25 | 1983-12-05 |
| 1984 | 1984-02-22 | 1984-07-04 |
| 1985 | 1985-02-01 | 1985-11-19 |
| 1986 | 1986-04-03 | 1986-12-04 |
| 1987 | 1987-01-28 | 1987-12-25 |
| 1988 | 1988-04-10 | 1988-12-01 |
| 1989 | 1989-02-26 | 1989-07-21 |
| 1990 | 1990-01-14 | 1990-10-06 |
| 1991 | 1991-05-11 | 1991-12-25 |
| 1992 | 1992-02-09 | 1992-09-21 |
| 1993 | 1993-05-01 | 1993-11-17 |
| 1997 | 1997-02-04 | 1997-09-10 |
| 1998 | 1998-04-10 | 1998-09-02 |
| 2000 | 2000-01-15 | 2000-09-01 |
| 2001 | 2001-01-21 | 2001-12-01 |
| 2002 | 2002-01-15 | 2002-12-28 |
| 2004 | 2004-06-01 | 2004-10-21 |
| 2006 | 2006-01-03 | 2006-11-05 |
| 2007 | 2007-01-04 | 2007-12-17 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 41 | 17 | 1963 | 4 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 28 | 4 | 1963 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 2 | 1966 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1966 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.
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).