St Louis Lambert Intl AP Threshold Days by Year (USW00013994)
20 fixed thresholds counted per year at St Louis Lambert Intl AP (USW00013994): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for St Louis Lambert Intl AP Thresholds
- St Louis Lambert Intl AP: days with a maximum temperature at or above 30 C (86 F) in 88 years, most in 2018 with 108.
- St Louis Lambert Intl AP: days with a maximum temperature at or above 90 F (32.2 C) in 88 years, most in 1953 with 79.
- St Louis Lambert Intl AP: days with a maximum temperature at or below 0 C (32 F) in 88 years, most in 1978 with 58.
- St Louis Lambert Intl AP: nights with a minimum temperature at or below 0 C (32 F) in 88 years, most in 1976 with 120.
- 20 fixed thresholds have at least one qualifying day at St Louis Lambert Intl AP.
Days at or above 30 C (86 F)
88 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 88 | 88 |
| 1940 | 82 | 76.6 |
| 1941 | 100 | 76.6 |
| 1942 | 66 | 76.6 |
| 1943 | 77 | 76.6 |
| 1944 | 92 | 76.6 |
| 1945 | 57 | 76.6 |
| 1946 | 69 | 76.6 |
| 1947 | 77 | 76.6 |
| 1948 | 75 | 76.6 |
| 1949 | 71 | 76.6 |
| 1950 | 51 | 80.2 |
| 1951 | 63 | 80.2 |
| 1952 | 93 | 80.2 |
| 1953 | 107 | 80.2 |
| 1954 | 104 | 80.2 |
| 1955 | 91 | 80.2 |
| 1956 | 92 | 80.2 |
| 1957 | 66 | 80.2 |
| 1958 | 50 | 80.2 |
| 1959 | 85 | 80.2 |
| 1960 | 64 | 65.2 |
| 1961 | 56 | 65.2 |
| 1962 | 61 | 65.2 |
| 1963 | 74 | 65.2 |
| 1964 | 76 | 65.2 |
| 1965 | 64 | 65.2 |
| 1966 | 65 | 65.2 |
| 1967 | 53 | 65.2 |
| 1968 | 67 | 65.2 |
| 1969 | 72 | 65.2 |
| 1970 | 72 | 73.8 |
| 1971 | 80 | 73.8 |
| 1972 | 80 | 73.8 |
| 1973 | 65 | 73.8 |
| 1974 | 57 | 73.8 |
| 1975 | 74 | 73.8 |
| 1976 | 69 | 73.8 |
| 1977 | 83 | 73.8 |
| 1978 | 77 | 73.8 |
| 1979 | 81 | 73.8 |
| 1980 | 99 | 76.8 |
| 1981 | 52 | 76.8 |
| 1982 | 46 | 76.8 |
| 1983 | 85 | 76.8 |
| 1984 | 85 | 76.8 |
| 1985 | 66 | 76.8 |
| 1986 | 88 | 76.8 |
| 1987 | 89 | 76.8 |
| 1988 | 94 | 76.8 |
| 1989 | 64 | 76.8 |
| 1990 | 77 | 73.3 |
| 1991 | 95 | 73.3 |
| 1992 | 59 | 73.3 |
| 1993 | 72 | 73.3 |
| 1994 | 81 | 73.3 |
| 1995 | 77 | 73.3 |
| 1996 | 61 | 73.3 |
| 1997 | 65 | 73.3 |
| 1998 | 78 | 73.3 |
| 1999 | 68 | 73.3 |
| 2000 | 71 | 74 |
| 2001 | 77 | 74 |
| 2002 | 95 | 74 |
| 2003 | 59 | 74 |
| 2004 | 60 | 74 |
| 2005 | 85 | 74 |
| 2006 | 85 | 74 |
| 2007 | 96 | 74 |
| 2008 | 58 | 74 |
| 2009 | 54 | 74 |
| 2010 | 101 | 90.9 |
| 2011 | 91 | 90.9 |
| 2012 | 101 | 90.9 |
| 2013 | 68 | 90.9 |
| 2014 | 82 | 90.9 |
| 2015 | 78 | 90.9 |
| 2016 | 100 | 90.9 |
| 2017 | 88 | 90.9 |
| 2018 | 108 | 90.9 |
| 2019 | 92 | 90.9 |
| 2020 | 82 | 88.9 |
| 2021 | 94 | 88.9 |
| 2022 | 87 | 88.9 |
| 2023 | 88 | 88.9 |
| 2024 | 95 | 88.9 |
| 2025 | 83 | 88.9 |
| 2026 | 93 | 88.9 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-05-17 | 1939-10-23 |
| 1940 | 1940-04-01 | 1940-10-26 |
| 1941 | 1941-04-12 | 1941-10-06 |
| 1942 | 1942-04-29 | 1942-09-30 |
| 1943 | 1943-05-05 | 1943-09-05 |
| 1944 | 1944-05-12 | 1944-10-06 |
| 1945 | 1945-03-16 | 1945-09-23 |
| 1946 | 1946-04-01 | 1946-10-09 |
| 1947 | 1947-04-23 | 1947-10-22 |
| 1948 | 1948-04-07 | 1948-09-20 |
| 1949 | 1949-05-02 | 1949-10-08 |
| 1950 | 1950-04-22 | 1950-10-31 |
| 1951 | 1951-04-28 | 1951-10-04 |
| 1952 | 1952-04-29 | 1952-10-12 |
| 1953 | 1953-04-09 | 1953-10-21 |
| 1954 | 1954-04-05 | 1954-10-10 |
| 1955 | 1955-03-10 | 1955-10-06 |
| 1956 | 1956-04-27 | 1956-10-01 |
| 1957 | 1957-04-24 | 1957-09-03 |
| 1958 | 1958-05-17 | 1958-09-25 |
| 1959 | 1959-04-30 | 1959-09-27 |
| 1960 | 1960-04-22 | 1960-09-23 |
| 1961 | 1961-05-31 | 1961-09-23 |
| 1962 | 1962-05-10 | 1962-10-11 |
| 1963 | 1963-03-29 | 1963-10-15 |
| 1964 | 1964-04-16 | 1964-09-20 |
| 1965 | 1965-04-08 | 1965-09-19 |
| 1966 | 1966-05-07 | 1966-09-05 |
| 1967 | 1967-04-05 | 1967-10-04 |
| 1968 | 1968-05-01 | 1968-10-31 |
| 1969 | 1969-05-05 | 1969-10-04 |
| 1970 | 1970-04-28 | 1970-09-21 |
| 1971 | 1971-04-12 | 1971-10-02 |
| 1972 | 1972-04-06 | 1972-09-20 |
| 1973 | 1973-06-08 | 1973-09-02 |
| 1974 | 1974-04-27 | 1974-08-27 |
| 1975 | 1975-05-19 | 1975-10-21 |
| 1976 | 1976-04-23 | 1976-10-12 |
| 1977 | 1977-04-16 | 1977-09-17 |
| 1978 | 1978-03-31 | 1978-10-21 |
| 1979 | 1979-05-07 | 1979-10-21 |
| 1980 | 1980-04-22 | 1980-10-08 |
| 1981 | 1981-03-31 | 1981-10-05 |
| 1982 | 1982-05-05 | 1982-10-05 |
| 1983 | 1983-06-10 | 1983-10-03 |
| 1984 | 1984-04-27 | 1984-09-24 |
| 1985 | 1985-03-28 | 1985-09-22 |
| 1986 | 1986-03-29 | 1986-09-29 |
| 1987 | 1987-04-20 | 1987-09-16 |
| 1988 | 1988-04-05 | 1988-09-22 |
| 1989 | 1989-04-24 | 1989-10-14 |
| 1990 | 1990-04-23 | 1990-10-06 |
| 1991 | 1991-03-26 | 1991-09-15 |
| 1992 | 1992-04-15 | 1992-10-14 |
| 1993 | 1993-05-08 | 1993-09-12 |
| 1994 | 1994-04-14 | 1994-10-01 |
| 1995 | 1995-05-13 | 1995-10-13 |
| 1996 | 1996-05-09 | 1996-09-11 |
| 1997 | 1997-03-21 | 1997-10-07 |
| 1998 | 1998-05-14 | 1998-09-29 |
| 1999 | 1999-06-04 | 1999-09-27 |
| 2000 | 2000-05-08 | 2000-10-03 |
| 2001 | 2001-04-08 | 2001-09-08 |
| 2002 | 2002-04-15 | 2002-10-02 |
| 2003 | 2003-04-14 | 2003-10-20 |
| 2004 | 2004-04-16 | 2004-09-23 |
| 2005 | 2005-05-10 | 2005-10-05 |
| 2006 | 2006-04-13 | 2006-10-04 |
| 2007 | 2007-04-29 | 2007-10-08 |
| 2008 | 2008-05-30 | 2008-09-24 |
| 2009 | 2009-04-24 | 2009-08-27 |
| 2010 | 2010-03-31 | 2010-10-10 |
| 2011 | 2011-04-03 | 2011-09-29 |
| 2012 | 2012-03-14 | 2012-09-13 |
| 2013 | 2013-04-30 | 2013-10-04 |
| 2014 | 2014-05-05 | 2014-10-01 |
| 2015 | 2015-05-04 | 2015-10-21 |
| 2016 | 2016-04-25 | 2016-10-29 |
| 2017 | 2017-03-20 | 2017-10-14 |
| 2018 | 2018-05-01 | 2018-10-09 |
| 2019 | 2019-04-16 | 2019-10-02 |
| 2020 | 2020-04-07 | 2020-10-22 |
| 2021 | 2021-05-01 | 2021-10-10 |
| 2022 | 2022-04-22 | 2022-09-24 |
| 2023 | 2023-05-07 | 2023-10-03 |
| 2024 | 2024-02-27 | 2024-10-29 |
| 2025 | 2025-04-28 | 2025-10-05 |
| 2026 | 2026-03-10 | 2026-10-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 88 | 108 | 2018 | 93 |
| 35 C (95 F): Days | 87 | 51 | 1954 | 18 |
| 40 C (104 F): Days | 16 | 12 | 2012 | 1 |
| 45 C (113 F): Days | 1 | 1 | 1954 | 1 |
| 90 F (32.2 C): Days | 88 | 79 | 1953 | 55 |
| 100 F (37.8 C): Days | 56 | 22 | 1954 | 4 |
| 110 F (43.3 C): Days | 1 | 3 | 1954 | 3 |
| 0 C (32 F): Ice days (max | 88 | 58 | 1978 | 14 |
| 0 C (32 F): Frost days (min | 88 | 120 | 1976 | 47 |
| -10 C (14 F): Days with min | 88 | 45 | 1963 | 13 |
| -20 C (-4 F): Days with min | 38 | 8 | 1977 | 1 |
| 20 C (68 F): Tropical nights (min | 88 | 104 | 2018 | 91 |
| 25 C (77 F): Days with min | 81 | 28 | 2011 | 24 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 84 | 49 | 1982 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 84 | 23 | 2015 | 15 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 72 | 7 | 1946 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 11 | 2 | 1995 | 2 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 2022 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 55 | 5 | 1977 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 2 | 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 1939.
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).