Covelo Threshold Days by Year (USC00042081)
18 fixed thresholds counted per year at Covelo (USC00042081): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Covelo Thresholds
- Covelo: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1983 with 66.
- Covelo: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1983 with 26.
- Covelo: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1964 with 132.
- Covelo: days with 50 mm (1.97 in) or more of precipitation in 56 years, most in 1937 with 7.
- 18 fixed thresholds have at least one qualifying day at Covelo.
Days at or above 30 C (86 F)
49 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1936 | 121 | 104 |
| 1937 | 95 | 104 |
| 1938 | 96 | 104 |
| 1945 | 114 | 102.5 |
| 1947 | 107 | 102.5 |
| 1948 | 81 | 102.5 |
| 1949 | 108 | 102.5 |
| 1950 | 104 | 103.1 |
| 1951 | 127 | 103.1 |
| 1952 | 119 | 103.1 |
| 1953 | 87 | 103.1 |
| 1954 | 85 | 103.1 |
| 1955 | 101 | 103.1 |
| 1956 | 105 | 103.1 |
| 1959 | 97 | 103.1 |
| 1960 | 115 | 89.4 |
| 1961 | 100 | 89.4 |
| 1962 | 100 | 89.4 |
| 1963 | 67 | 89.4 |
| 1964 | 76 | 89.4 |
| 1965 | 83 | 89.4 |
| 1966 | 80 | 89.4 |
| 1967 | 109 | 89.4 |
| 1968 | 75 | 89.4 |
| 1971 | 85 | 95.3 |
| 1972 | 86 | 95.3 |
| 1975 | 97 | 95.3 |
| 1977 | 100 | 95.3 |
| 1978 | 102 | 95.3 |
| 1979 | 102 | 95.3 |
| 1980 | 96 | 101 |
| 1981 | 111 | 101 |
| 1983 | 89 | 101 |
| 1984 | 101 | 101 |
| 1989 | 108 | 101 |
| 1990 | 86 | 99.6 |
| 1991 | 113 | 99.6 |
| 1992 | 120 | 99.6 |
| 1998 | 78 | 99.6 |
| 1999 | 101 | 99.6 |
| 2000 | 98 | 99.1 |
| 2001 | 106 | 99.1 |
| 2002 | 100 | 99.1 |
| 2004 | 112 | 99.1 |
| 2005 | 73 | 99.1 |
| 2007 | 93 | 99.1 |
| 2008 | 118 | 99.1 |
| 2009 | 93 | 99.1 |
| 2010 | 80 | 80 |
| Year | First date | Last date |
|---|---|---|
| 1936 | 1936-04-11 | 1936-10-26 |
| 1937 | 1937-05-12 | 1937-09-27 |
| 1938 | 1938-04-18 | 1938-09-22 |
| 1945 | 1945-04-19 | 1945-10-19 |
| 1947 | 1947-04-12 | 1947-10-05 |
| 1948 | 1948-05-23 | 1948-10-01 |
| 1949 | 1949-04-10 | 1949-11-04 |
| 1950 | 1950-04-18 | 1950-10-13 |
| 1951 | 1951-04-09 | 1951-10-09 |
| 1952 | 1952-04-17 | 1952-10-17 |
| 1953 | 1953-04-24 | 1953-10-08 |
| 1954 | 1954-04-15 | 1954-10-15 |
| 1955 | 1955-05-05 | 1955-10-16 |
| 1956 | 1956-04-19 | 1956-10-06 |
| 1959 | 1959-05-08 | 1959-10-26 |
| 1960 | 1960-06-01 | 1960-10-17 |
| 1961 | 1961-05-19 | 1961-10-19 |
| 1962 | 1962-04-12 | 1962-10-02 |
| 1963 | 1963-05-17 | 1963-10-04 |
| 1964 | 1964-04-15 | 1964-10-12 |
| 1965 | 1965-04-27 | 1965-10-10 |
| 1966 | 1966-04-01 | 1966-10-10 |
| 1967 | 1967-05-08 | 1967-09-30 |
| 1968 | 1968-05-26 | 1968-09-29 |
| 1971 | 1971-05-11 | 1971-10-13 |
| 1972 | 1972-05-04 | 1972-10-04 |
| 1975 | 1975-05-12 | 1975-10-05 |
| 1977 | 1977-04-03 | 1977-10-17 |
| 1978 | 1978-04-09 | 1978-10-24 |
| 1979 | 1979-05-13 | 1979-10-09 |
| 1980 | 1980-05-18 | 1980-10-10 |
| 1981 | 1981-04-28 | 1981-10-18 |
| 1983 | 1983-05-19 | 1983-10-09 |
| 1984 | 1984-04-14 | 1984-10-07 |
| 1989 | 1989-04-05 | 1989-10-18 |
| 1990 | 1990-04-13 | 1990-10-24 |
| 1991 | 1991-05-22 | 1991-10-21 |
| 1992 | 1992-04-01 | 1992-10-13 |
| 1998 | 1998-04-28 | 1998-10-05 |
| 1999 | 1999-04-14 | 1999-10-16 |
| 2000 | 2000-04-01 | 2000-10-08 |
| 2001 | 2001-05-04 | 2001-10-15 |
| 2002 | 2002-03-30 | 2002-10-09 |
| 2004 | 2004-04-10 | 2004-10-15 |
| 2005 | 2005-03-11 | 2005-10-06 |
| 2007 | 2007-04-27 | 2007-10-02 |
| 2008 | 2008-04-11 | 2008-09-30 |
| 2009 | 2009-04-19 | 2009-09-28 |
| 2010 | 2010-06-12 | 2010-10-19 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 49 | 127 | 1951 | 80 |
| 35 C (95 F): Days | 49 | 80 | 1951 | 24 |
| 40 C (104 F): Days | 39 | 15 | 1950 | 3 |
| 45 C (113 F): Days | 2 | 2 | 1955 | 2 |
| 90 F (32.2 C): Days | 49 | 106 | 1951 | 59 |
| 100 F (37.8 C): Days | 48 | 40 | 1950 | 2 |
| 110 F (43.3 C): Days | 8 | 4 | 1978 | 1 |
| 0 C (32 F): Ice days (max | 5 | 6 | 1972 | 2 |
| 0 C (32 F): Frost days (min | 56 | 132 | 1964 | 57 |
| -10 C (14 F): Days with min | 19 | 10 | 1949 | 2 |
| -20 C (-4 F): Days with min | 1 | 3 | 1972 | 3 |
| 20 C (68 F): Tropical nights (min | 10 | 6 | 1951 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 64 | 66 | 1983 | 49 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 64 | 26 | 1983 | 13 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 56 | 7 | 1937 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 2 | 1964 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 15 | 3 | 1950 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 3 | 1 | 1949 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.
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).