Coupeville 1 S Threshold Days by Year (USC00451783)
11 fixed thresholds counted per year at Coupeville 1 S (USC00451783): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Coupeville 1 S Thresholds
- Coupeville 1 S: days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1984 with 20.
- Coupeville 1 S: nights with a minimum temperature at or below 0 C (32 F) in 95 years, most in 1985 with 80.
- Coupeville 1 S: days with a maximum temperature at or below 0 C (32 F) in 57 years, most in 1950 with 20.
- Coupeville 1 S: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1958 with 20.
- 11 fixed thresholds have at least one qualifying day at Coupeville 1 S.
Days at or above 30 C (86 F)
51 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1896 | 1 | 4.5 |
| 1898 | 8 | 4.5 |
| 1902 | 1 | 1.3 |
| 1903 | 1 | 1.3 |
| 1905 | 1 | 1.3 |
| 1907 | 2 | 1.3 |
| 1926 | 4 | 5 |
| 1928 | 6 | 5 |
| 1930 | 2 | 2.7 |
| 1931 | 3 | 2.7 |
| 1932 | 1 | 2.7 |
| 1933 | 3 | 2.7 |
| 1935 | 4 | 2.7 |
| 1938 | 4 | 2.7 |
| 1939 | 2 | 2.7 |
| 1941 | 4 | 2.5 |
| 1944 | 1 | 2.5 |
| 1951 | 3 | 5.2 |
| 1952 | 1 | 5.2 |
| 1955 | 1 | 5.2 |
| 1956 | 1 | 5.2 |
| 1958 | 20 | 5.2 |
| 1959 | 5 | 5.2 |
| 1960 | 5 | 2.6 |
| 1961 | 5 | 2.6 |
| 1962 | 4 | 2.6 |
| 1963 | 1 | 2.6 |
| 1965 | 2 | 2.6 |
| 1966 | 1 | 2.6 |
| 1967 | 3 | 2.6 |
| 1968 | 1 | 2.6 |
| 1969 | 1 | 2.6 |
| 1970 | 2 | 2.7 |
| 1971 | 3 | 2.7 |
| 1972 | 3 | 2.7 |
| 1974 | 2 | 2.7 |
| 1977 | 4 | 2.7 |
| 1978 | 2 | 2.7 |
| 1981 | 5 | 2.5 |
| 1982 | 1 | 2.5 |
| 1986 | 2 | 2.5 |
| 1988 | 2 | 2.5 |
| 1991 | 1 | 1 |
| 2000 | 1 | 3.3 |
| 2002 | 2 | 3.3 |
| 2003 | 5 | 3.3 |
| 2004 | 3 | 3.3 |
| 2006 | 5 | 3.3 |
| 2007 | 2 | 3.3 |
| 2009 | 5 | 3.3 |
| 2010 | 4 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1896 | 1896-06-26 | 1896-06-26 |
| 1898 | 1898-07-29 | 1898-09-07 |
| 1902 | 1902-07-19 | 1902-07-19 |
| 1903 | 1903-06-08 | 1903-06-08 |
| 1905 | 1905-07-08 | 1905-07-08 |
| 1907 | 1907-07-30 | 1907-09-09 |
| 1926 | 1926-05-12 | 1926-07-11 |
| 1928 | 1928-07-21 | 1928-07-26 |
| 1930 | 1930-07-12 | 1930-08-11 |
| 1931 | 1931-07-07 | 1931-08-09 |
| 1932 | 1932-06-10 | 1932-06-10 |
| 1933 | 1933-08-15 | 1933-08-26 |
| 1935 | 1935-07-13 | 1935-08-28 |
| 1938 | 1938-07-14 | 1938-07-22 |
| 1939 | 1939-08-08 | 1939-08-09 |
| 1941 | 1941-07-14 | 1941-07-17 |
| 1944 | 1944-07-18 | 1944-07-18 |
| 1951 | 1951-06-29 | 1951-07-12 |
| 1952 | 1952-08-04 | 1952-08-04 |
| 1955 | 1955-06-09 | 1955-06-09 |
| 1956 | 1956-07-19 | 1956-07-19 |
| 1958 | 1958-06-05 | 1958-08-25 |
| 1959 | 1959-07-18 | 1959-07-31 |
| 1960 | 1960-07-26 | 1960-08-09 |
| 1961 | 1961-07-11 | 1961-09-13 |
| 1962 | 1962-07-22 | 1962-07-28 |
| 1963 | 1963-06-15 | 1963-06-15 |
| 1965 | 1965-07-30 | 1965-07-31 |
| 1966 | 1966-08-20 | 1966-08-20 |
| 1967 | 1967-08-16 | 1967-09-16 |
| 1968 | 1968-08-01 | 1968-08-01 |
| 1969 | 1969-06-17 | 1969-06-17 |
| 1970 | 1970-06-01 | 1970-06-02 |
| 1971 | 1971-07-26 | 1971-08-10 |
| 1972 | 1972-07-17 | 1972-08-08 |
| 1974 | 1974-08-29 | 1974-09-02 |
| 1977 | 1977-08-10 | 1977-08-17 |
| 1978 | 1978-07-21 | 1978-07-22 |
| 1981 | 1981-08-07 | 1981-08-11 |
| 1982 | 1982-06-18 | 1982-06-18 |
| 1986 | 1986-08-07 | 1986-09-06 |
| 1988 | 1988-07-19 | 1988-07-25 |
| 1991 | 1991-07-23 | 1991-07-23 |
| 2000 | 2000-06-27 | 2000-06-27 |
| 2002 | 2002-06-13 | 2002-08-13 |
| 2003 | 2003-06-06 | 2003-07-30 |
| 2004 | 2004-07-23 | 2004-08-09 |
| 2006 | 2006-06-25 | 2006-07-23 |
| 2007 | 2007-07-10 | 2007-07-11 |
| 2009 | 2009-06-04 | 2009-07-30 |
| 2010 | 2010-07-08 | 2010-08-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 51 | 20 | 1958 | 4 |
| 35 C (95 F): Days | 4 | 2 | 1960 | 2 |
| 90 F (32.2 C): Days | 24 | 9 | 1958 | 3 |
| 0 C (32 F): Ice days (max | 57 | 20 | 1950 | 1 |
| 0 C (32 F): Frost days (min | 95 | 80 | 1985 | 36 |
| -10 C (14 F): Days with min | 39 | 15 | 1950 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 99 | 20 | 1984 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 48 | 4 | 1967 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 1 | 1946 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 20 | 3 | 1980 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1957 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.
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).