Mattoon Threshold Days by Year (USC00115430)
19 fixed thresholds counted per year at Mattoon (USC00115430): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mattoon Thresholds
- Mattoon: days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 2009 with 47.
- Mattoon: days with 25 mm (0.98 in) or more of precipitation in 79 years, most in 2009 with 18.
- Mattoon: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 1949 with 4.
- Mattoon: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 1988 with 93.
- 19 fixed thresholds have at least one qualifying day at Mattoon.
Days at or above 30 C (86 F)
61 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1898 | 65 | 62.5 |
| 1899 | 60 | 62.5 |
| 1900 | 54 | 43.2 |
| 1901 | 64 | 43.2 |
| 1902 | 33 | 43.2 |
| 1903 | 22 | 43.2 |
| 1904 | 38 | 43.2 |
| 1905 | 48 | 43.2 |
| 1949 | 55 | 55 |
| 1950 | 20 | 61.9 |
| 1951 | 38 | 61.9 |
| 1952 | 79 | 61.9 |
| 1953 | 85 | 61.9 |
| 1954 | 84 | 61.9 |
| 1955 | 76 | 61.9 |
| 1956 | 64 | 61.9 |
| 1957 | 51 | 61.9 |
| 1958 | 37 | 61.9 |
| 1959 | 85 | 61.9 |
| 1960 | 54 | 53.9 |
| 1961 | 56 | 53.9 |
| 1962 | 61 | 53.9 |
| 1963 | 58 | 53.9 |
| 1964 | 69 | 53.9 |
| 1965 | 42 | 53.9 |
| 1966 | 59 | 53.9 |
| 1967 | 34 | 53.9 |
| 1968 | 55 | 53.9 |
| 1969 | 51 | 53.9 |
| 1970 | 51 | 50.4 |
| 1971 | 53 | 50.4 |
| 1972 | 58 | 50.4 |
| 1973 | 55 | 50.4 |
| 1974 | 36 | 50.4 |
| 1975 | 52 | 50.4 |
| 1976 | 46 | 50.4 |
| 1977 | 61 | 50.4 |
| 1978 | 53 | 50.4 |
| 1979 | 39 | 50.4 |
| 1980 | 77 | 68.1 |
| 1981 | 38 | 68.1 |
| 1982 | 51 | 68.1 |
| 1983 | 90 | 68.1 |
| 1984 | 71 | 68.1 |
| 1985 | 50 | 68.1 |
| 1986 | 69 | 68.1 |
| 1987 | 90 | 68.1 |
| 1988 | 93 | 68.1 |
| 1989 | 52 | 68.1 |
| 1990 | 46 | 50.7 |
| 1991 | 69 | 50.7 |
| 1992 | 17 | 50.7 |
| 1993 | 43 | 50.7 |
| 1994 | 45 | 50.7 |
| 1995 | 58 | 50.7 |
| 1996 | 48 | 50.7 |
| 1997 | 48 | 50.7 |
| 1998 | 68 | 50.7 |
| 1999 | 65 | 50.7 |
| 2000 | 43 | 53.5 |
| 2001 | 64 | 53.5 |
| Year | First date | Last date |
|---|---|---|
| 1898 | 1898-05-24 | 1898-09-29 |
| 1899 | 1899-04-25 | 1899-10-15 |
| 1900 | 1900-05-13 | 1900-10-05 |
| 1901 | 1901-05-01 | 1901-10-20 |
| 1902 | 1902-05-03 | 1902-08-13 |
| 1903 | 1903-07-03 | 1903-09-14 |
| 1904 | 1904-05-23 | 1904-10-09 |
| 1905 | 1905-06-03 | 1905-09-29 |
| 1949 | 1949-05-03 | 1949-08-26 |
| 1950 | 1950-05-23 | 1950-09-21 |
| 1951 | 1951-05-01 | 1951-10-04 |
| 1952 | 1952-05-01 | 1952-10-01 |
| 1953 | 1953-05-24 | 1953-10-22 |
| 1954 | 1954-04-25 | 1954-10-10 |
| 1955 | 1955-05-04 | 1955-09-29 |
| 1956 | 1956-05-06 | 1956-09-26 |
| 1957 | 1957-06-06 | 1957-09-03 |
| 1958 | 1958-05-15 | 1958-09-25 |
| 1959 | 1959-05-01 | 1959-10-04 |
| 1960 | 1960-04-24 | 1960-09-24 |
| 1961 | 1961-05-31 | 1961-09-24 |
| 1962 | 1962-05-13 | 1962-10-12 |
| 1963 | 1963-05-08 | 1963-10-15 |
| 1964 | 1964-05-18 | 1964-09-20 |
| 1965 | 1965-05-08 | 1965-09-19 |
| 1966 | 1966-05-27 | 1966-09-03 |
| 1967 | 1967-05-24 | 1967-10-04 |
| 1968 | 1968-05-02 | 1968-09-23 |
| 1969 | 1969-05-28 | 1969-09-06 |
| 1970 | 1970-05-20 | 1970-09-23 |
| 1971 | 1971-06-03 | 1971-10-02 |
| 1972 | 1972-05-19 | 1972-09-20 |
| 1973 | 1973-06-03 | 1973-09-24 |
| 1974 | 1974-05-20 | 1974-08-26 |
| 1975 | 1975-05-19 | 1975-10-13 |
| 1976 | 1976-06-07 | 1976-10-02 |
| 1977 | 1977-04-16 | 1977-09-08 |
| 1978 | 1978-05-25 | 1978-09-20 |
| 1979 | 1979-06-05 | 1979-10-01 |
| 1980 | 1980-04-22 | 1980-10-08 |
| 1981 | 1981-06-04 | 1981-09-30 |
| 1982 | 1982-05-05 | 1982-10-06 |
| 1983 | 1983-06-10 | 1983-10-03 |
| 1984 | 1984-05-19 | 1984-09-20 |
| 1985 | 1985-05-12 | 1985-09-20 |
| 1986 | 1986-04-25 | 1986-09-29 |
| 1987 | 1987-04-21 | 1987-09-27 |
| 1988 | 1988-05-12 | 1988-09-26 |
| 1989 | 1989-04-26 | 1989-10-13 |
| 1990 | 1990-06-08 | 1990-09-07 |
| 1991 | 1991-05-15 | 1991-09-15 |
| 1992 | 1992-06-16 | 1992-09-15 |
| 1993 | 1993-05-08 | 1993-08-30 |
| 1994 | 1994-05-23 | 1994-10-01 |
| 1995 | 1995-06-07 | 1995-09-27 |
| 1996 | 1996-05-17 | 1996-10-14 |
| 1997 | 1997-06-17 | 1997-10-08 |
| 1998 | 1998-05-14 | 1998-09-27 |
| 1999 | 1999-06-05 | 1999-09-28 |
| 2000 | 2000-05-24 | 2000-09-19 |
| 2001 | 2001-04-30 | 2001-09-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 61 | 93 | 1988 | 64 |
| 35 C (95 F): Days | 52 | 40 | 1954 | 1 |
| 40 C (104 F): Days | 3 | 5 | 1954 | 1 |
| 90 F (32.2 C): Days | 61 | 66 | 1988 | 31 |
| 100 F (37.8 C): Days | 12 | 12 | 1988 | 1 |
| 110 F (43.3 C): Days | 1 | 1 | 1954 | 1 |
| 0 C (32 F): Ice days (max | 61 | 59 | 1978 | 24 |
| 0 C (32 F): Frost days (min | 60 | 136 | 1980 | 98 |
| -10 C (14 F): Days with min | 60 | 53 | 1963 | 12 |
| -20 C (-4 F): Days with min | 45 | 18 | 1963 | 2 |
| -30 C (-22 F): Days with min | 1 | 1 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 60 | 78 | 1900 | 42 |
| 25 C (77 F): Days with min | 16 | 8 | 1900 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 79 | 47 | 2009 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 79 | 18 | 2009 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 63 | 4 | 1949 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 6 | 1 | 1957 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 48 | 4 | 1993 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 3 | 1 | 1973 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.
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).