Alton - Melvin Price L&D Threshold Days by Year (USC00110137)
19 fixed thresholds counted per year at Alton - Melvin Price L&D (USC00110137): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Alton - Melvin Price L&D Thresholds
- Alton - Melvin Price L&D: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1996 with 45.
- Alton - Melvin Price L&D: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 2008 with 23.
- Alton - Melvin Price L&D: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 1952 with 113.
- Alton - Melvin Price L&D: days with a maximum temperature at or above 90 F (32.2 C) in 61 years, most in 1953 with 82.
- 19 fixed thresholds have at least one qualifying day at Alton - Melvin Price L&D.
Days at or above 30 C (86 F)
61 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1944 | 98 | 88.8 |
| 1945 | 63 | 88.8 |
| 1946 | 111 | 88.8 |
| 1947 | 91 | 88.8 |
| 1948 | 90 | 88.8 |
| 1949 | 80 | 88.8 |
| 1950 | 71 | 78.8 |
| 1951 | 81 | 78.8 |
| 1952 | 113 | 78.8 |
| 1953 | 108 | 78.8 |
| 1954 | 74 | 78.8 |
| 1955 | 81 | 78.8 |
| 1956 | 71 | 78.8 |
| 1957 | 62 | 78.8 |
| 1958 | 48 | 78.8 |
| 1959 | 79 | 78.8 |
| 1960 | 64 | 63.2 |
| 1961 | 64 | 63.2 |
| 1962 | 68 | 63.2 |
| 1963 | 72 | 63.2 |
| 1964 | 75 | 63.2 |
| 1965 | 62 | 63.2 |
| 1966 | 58 | 63.2 |
| 1967 | 47 | 63.2 |
| 1968 | 58 | 63.2 |
| 1969 | 64 | 63.2 |
| 1970 | 57 | 60.7 |
| 1971 | 62 | 60.7 |
| 1972 | 65 | 60.7 |
| 1973 | 61 | 60.7 |
| 1974 | 41 | 60.7 |
| 1975 | 69 | 60.7 |
| 1976 | 57 | 60.7 |
| 1977 | 71 | 60.7 |
| 1978 | 69 | 60.7 |
| 1979 | 55 | 60.7 |
| 1980 | 85 | 67.1 |
| 1981 | 53 | 67.1 |
| 1982 | 39 | 67.1 |
| 1983 | 86 | 67.1 |
| 1984 | 60 | 67.1 |
| 1985 | 57 | 67.1 |
| 1986 | 69 | 67.1 |
| 1987 | 88 | 67.1 |
| 1991 | 56 | 54.3 |
| 1992 | 31 | 54.3 |
| 1993 | 56 | 54.3 |
| 1994 | 55 | 54.3 |
| 1995 | 58 | 54.3 |
| 1996 | 42 | 54.3 |
| 1997 | 59 | 54.3 |
| 1998 | 77 | 54.3 |
| 2002 | 68 | 58.9 |
| 2003 | 38 | 58.9 |
| 2004 | 21 | 58.9 |
| 2005 | 81 | 58.9 |
| 2006 | 76 | 58.9 |
| 2007 | 75 | 58.9 |
| 2008 | 53 | 58.9 |
| 2016 | 57 | 57 |
| 2026 | 63 | 63 |
| Year | First date | Last date |
|---|---|---|
| 1944 | 1944-05-12 | 1944-10-06 |
| 1945 | 1945-03-28 | 1945-11-07 |
| 1946 | 1946-03-14 | 1946-10-09 |
| 1947 | 1947-05-14 | 1947-10-22 |
| 1948 | 1948-04-07 | 1948-09-21 |
| 1949 | 1949-05-03 | 1949-10-08 |
| 1950 | 1950-04-23 | 1950-10-30 |
| 1951 | 1951-04-28 | 1951-10-17 |
| 1952 | 1952-04-09 | 1952-10-13 |
| 1953 | 1953-04-09 | 1953-10-19 |
| 1954 | 1954-05-31 | 1954-10-10 |
| 1955 | 1955-05-03 | 1955-09-29 |
| 1956 | 1956-04-27 | 1956-10-15 |
| 1957 | 1957-06-05 | 1957-09-03 |
| 1958 | 1958-05-17 | 1958-09-25 |
| 1959 | 1959-05-02 | 1959-09-23 |
| 1960 | 1960-04-23 | 1960-09-23 |
| 1961 | 1961-05-31 | 1961-09-23 |
| 1962 | 1962-05-12 | 1962-10-11 |
| 1963 | 1963-04-22 | 1963-10-15 |
| 1964 | 1964-05-17 | 1964-09-20 |
| 1965 | 1965-04-21 | 1965-09-19 |
| 1966 | 1966-05-26 | 1966-09-03 |
| 1967 | 1967-04-05 | 1967-10-04 |
| 1968 | 1968-05-02 | 1968-09-22 |
| 1969 | 1969-05-29 | 1969-10-04 |
| 1970 | 1970-04-29 | 1970-09-22 |
| 1971 | 1971-06-04 | 1971-10-03 |
| 1972 | 1972-05-20 | 1972-09-21 |
| 1973 | 1973-06-05 | 1973-09-03 |
| 1974 | 1974-05-21 | 1974-08-27 |
| 1975 | 1975-05-20 | 1975-10-14 |
| 1976 | 1976-06-08 | 1976-10-03 |
| 1977 | 1977-04-18 | 1977-09-09 |
| 1978 | 1978-05-25 | 1978-09-21 |
| 1979 | 1979-05-09 | 1979-09-12 |
| 1980 | 1980-05-29 | 1980-10-09 |
| 1981 | 1981-04-28 | 1981-10-06 |
| 1982 | 1982-05-18 | 1982-09-01 |
| 1983 | 1983-06-11 | 1983-09-20 |
| 1984 | 1984-06-02 | 1984-10-10 |
| 1985 | 1985-05-27 | 1985-09-21 |
| 1986 | 1986-04-26 | 1986-09-29 |
| 1987 | 1987-04-21 | 1987-09-17 |
| 1991 | 1991-05-15 | 1991-09-16 |
| 1992 | 1992-06-15 | 1992-09-17 |
| 1993 | 1993-05-29 | 1993-08-31 |
| 1994 | 1994-05-24 | 1994-10-01 |
| 1995 | 1995-06-06 | 1995-09-07 |
| 1996 | 1996-05-18 | 1996-09-08 |
| 1997 | 1997-05-19 | 1997-10-09 |
| 1998 | 1998-05-15 | 1998-09-30 |
| 2002 | 2002-04-16 | 2002-10-03 |
| 2003 | 2003-05-10 | 2003-10-21 |
| 2004 | 2004-05-07 | 2004-08-28 |
| 2005 | 2005-06-05 | 2005-10-03 |
| 2006 | 2006-04-15 | 2006-10-05 |
| 2007 | 2007-04-28 | 2007-10-09 |
| 2008 | 2008-05-31 | 2008-09-26 |
| 2016 | 2016-05-31 | 2016-09-27 |
| 2026 | 2026-03-23 | 2026-10-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 61 | 113 | 1952 | 63 |
| 35 C (95 F): Days | 55 | 52 | 1953 | 18 |
| 40 C (104 F): Days | 9 | 13 | 1946 | 1 |
| 45 C (113 F): Days | 1 | 5 | 1946 | 5 |
| 90 F (32.2 C): Days | 61 | 82 | 1953 | 41 |
| 100 F (37.8 C): Days | 25 | 23 | 1946 | 2 |
| 110 F (43.3 C): Days | 2 | 7 | 1946 | 1 |
| 0 C (32 F): Ice days (max | 61 | 53 | 1978 | 13 |
| 0 C (32 F): Frost days (min | 53 | 130 | 1976 | 48 |
| -10 C (14 F): Days with min | 53 | 46 | 1963 | 18 |
| -20 C (-4 F): Days with min | 22 | 12 | 1979 | 2 |
| 20 C (68 F): Tropical nights (min | 53 | 96 | 2005 | 57 |
| 25 C (77 F): Days with min | 40 | 23 | 2005 | 9 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 69 | 45 | 1996 | 23 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 69 | 23 | 2008 | 15 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 55 | 6 | 1946 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 9 | 3 | 1946 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 27 | 4 | 1964 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1958 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.
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).