Chicago Midway AP 3SW Threshold Days by Year (USC00111577)
18 fixed thresholds counted per year at Chicago Midway AP 3SW (USC00111577): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Chicago Midway AP 3SW Thresholds
- Chicago Midway AP 3SW: days with a maximum temperature at or above 30 C (86 F) in 84 years, most in 1983 with 73.
- Chicago Midway AP 3SW: days with a maximum temperature at or above 90 F (32.2 C) in 84 years, most in 1988 with 48.
- Chicago Midway AP 3SW: days with a maximum temperature at or below 0 C (32 F) in 84 years, most in 1978 with 70.
- Chicago Midway AP 3SW: nights with a minimum temperature at or below 0 C (32 F) in 84 years, most in 1943 with 139.
- 18 fixed thresholds have at least one qualifying day at Chicago Midway AP 3SW.
Days at or above 30 C (86 F)
84 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1942 | 46 | 49.8 |
| 1943 | 59 | 49.8 |
| 1944 | 62 | 49.8 |
| 1945 | 32 | 49.8 |
| 1946 | 47 | 49.8 |
| 1947 | 52 | 49.8 |
| 1948 | 43 | 49.8 |
| 1949 | 57 | 49.8 |
| 1950 | 36 | 48.9 |
| 1951 | 27 | 48.9 |
| 1952 | 58 | 48.9 |
| 1953 | 71 | 48.9 |
| 1954 | 54 | 48.9 |
| 1955 | 68 | 48.9 |
| 1956 | 53 | 48.9 |
| 1957 | 33 | 48.9 |
| 1958 | 28 | 48.9 |
| 1959 | 61 | 48.9 |
| 1960 | 42 | 43.2 |
| 1961 | 45 | 43.2 |
| 1962 | 54 | 43.2 |
| 1963 | 55 | 43.2 |
| 1964 | 54 | 43.2 |
| 1965 | 30 | 43.2 |
| 1966 | 48 | 43.2 |
| 1967 | 21 | 43.2 |
| 1968 | 41 | 43.2 |
| 1969 | 42 | 43.2 |
| 1970 | 54 | 44 |
| 1971 | 58 | 44 |
| 1972 | 36 | 44 |
| 1973 | 44 | 44 |
| 1974 | 29 | 44 |
| 1975 | 49 | 44 |
| 1976 | 45 | 44 |
| 1977 | 56 | 44 |
| 1978 | 42 | 44 |
| 1979 | 27 | 44 |
| 1981 | 29 | 47.4 |
| 1982 | 38 | 47.4 |
| 1983 | 73 | 47.4 |
| 1984 | 58 | 47.4 |
| 1985 | 35 | 47.4 |
| 1986 | 40 | 47.4 |
| 1987 | 59 | 47.4 |
| 1988 | 66 | 47.4 |
| 1989 | 29 | 47.4 |
| 1990 | 40 | 43.3 |
| 1991 | 69 | 43.3 |
| 1992 | 21 | 43.3 |
| 1993 | 35 | 43.3 |
| 1994 | 42 | 43.3 |
| 1995 | 66 | 43.3 |
| 1996 | 28 | 43.3 |
| 1997 | 31 | 43.3 |
| 1998 | 47 | 43.3 |
| 1999 | 54 | 43.3 |
| 2000 | 38 | 38.3 |
| 2001 | 52 | 38.3 |
| 2002 | 58 | 38.3 |
| 2003 | 26 | 38.3 |
| 2004 | 21 | 38.3 |
| 2005 | 62 | 38.3 |
| 2006 | 31 | 38.3 |
| 2007 | 47 | 38.3 |
| 2008 | 28 | 38.3 |
| 2009 | 20 | 38.3 |
| 2010 | 48 | 47.3 |
| 2011 | 51 | 47.3 |
| 2012 | 69 | 47.3 |
| 2013 | 40 | 47.3 |
| 2014 | 36 | 47.3 |
| 2015 | 38 | 47.3 |
| 2016 | 50 | 47.3 |
| 2017 | 43 | 47.3 |
| 2018 | 59 | 47.3 |
| 2019 | 39 | 47.3 |
| 2020 | 52 | 50.3 |
| 2021 | 57 | 50.3 |
| 2022 | 63 | 50.3 |
| 2023 | 38 | 50.3 |
| 2024 | 54 | 50.3 |
| 2025 | 52 | 50.3 |
| 2026 | 36 | 50.3 |
| Year | First date | Last date |
|---|---|---|
| 1942 | 1942-04-29 | 1942-09-18 |
| 1943 | 1943-05-05 | 1943-09-30 |
| 1944 | 1944-05-12 | 1944-09-27 |
| 1945 | 1945-06-23 | 1945-09-23 |
| 1946 | 1946-06-06 | 1946-10-06 |
| 1947 | 1947-05-15 | 1947-10-15 |
| 1948 | 1948-06-03 | 1948-09-19 |
| 1949 | 1949-05-03 | 1949-10-09 |
| 1950 | 1950-05-23 | 1950-10-18 |
| 1951 | 1951-05-01 | 1951-10-04 |
| 1952 | 1952-05-01 | 1952-10-01 |
| 1953 | 1953-05-09 | 1953-10-22 |
| 1954 | 1954-05-23 | 1954-10-03 |
| 1955 | 1955-05-02 | 1955-09-19 |
| 1956 | 1956-05-11 | 1956-09-22 |
| 1957 | 1957-06-10 | 1957-09-19 |
| 1958 | 1958-05-14 | 1958-09-24 |
| 1959 | 1959-05-02 | 1959-09-22 |
| 1960 | 1960-04-22 | 1960-09-08 |
| 1961 | 1961-05-13 | 1961-09-22 |
| 1962 | 1962-04-25 | 1962-10-15 |
| 1963 | 1963-05-08 | 1963-10-16 |
| 1964 | 1964-05-07 | 1964-09-21 |
| 1965 | 1965-06-05 | 1965-09-20 |
| 1966 | 1966-05-23 | 1966-09-13 |
| 1967 | 1967-05-25 | 1967-10-04 |
| 1968 | 1968-05-02 | 1968-10-15 |
| 1969 | 1969-05-27 | 1969-10-01 |
| 1970 | 1970-04-29 | 1970-09-21 |
| 1971 | 1971-04-12 | 1971-10-02 |
| 1972 | 1972-05-18 | 1972-09-17 |
| 1973 | 1973-06-08 | 1973-09-26 |
| 1974 | 1974-05-21 | 1974-09-19 |
| 1975 | 1975-05-18 | 1975-10-14 |
| 1976 | 1976-04-16 | 1976-09-13 |
| 1977 | 1977-04-12 | 1977-09-04 |
| 1978 | 1978-05-26 | 1978-09-20 |
| 1979 | 1979-05-08 | 1979-09-02 |
| 1981 | 1981-06-07 | 1981-09-13 |
| 1982 | 1982-05-05 | 1982-10-06 |
| 1983 | 1983-06-10 | 1983-10-02 |
| 1984 | 1984-05-18 | 1984-09-24 |
| 1985 | 1985-04-19 | 1985-09-20 |
| 1986 | 1986-03-29 | 1986-09-27 |
| 1987 | 1987-04-20 | 1987-09-06 |
| 1988 | 1988-05-28 | 1988-09-22 |
| 1989 | 1989-05-24 | 1989-10-14 |
| 1990 | 1990-04-24 | 1990-10-05 |
| 1991 | 1991-05-11 | 1991-09-15 |
| 1992 | 1992-05-01 | 1992-09-16 |
| 1993 | 1993-05-08 | 1993-08-30 |
| 1994 | 1994-04-25 | 1994-09-16 |
| 1995 | 1995-06-06 | 1995-10-13 |
| 1996 | 1996-05-17 | 1996-08-22 |
| 1997 | 1997-06-19 | 1997-10-05 |
| 1998 | 1998-05-15 | 1998-09-27 |
| 1999 | 1999-05-28 | 1999-09-26 |
| 2000 | 2000-05-06 | 2000-09-19 |
| 2001 | 2001-04-30 | 2001-09-08 |
| 2002 | 2002-04-15 | 2002-09-30 |
| 2003 | 2003-04-15 | 2003-09-13 |
| 2004 | 2004-04-18 | 2004-09-23 |
| 2005 | 2005-06-04 | 2005-10-04 |
| 2006 | 2006-05-27 | 2006-08-23 |
| 2007 | 2007-05-14 | 2007-10-08 |
| 2008 | 2008-06-05 | 2008-10-12 |
| 2009 | 2009-06-19 | 2009-08-16 |
| 2010 | 2010-05-23 | 2010-10-09 |
| 2011 | 2011-05-10 | 2011-09-12 |
| 2012 | 2012-03-21 | 2012-09-12 |
| 2013 | 2013-04-30 | 2013-09-11 |
| 2014 | 2014-05-08 | 2014-09-05 |
| 2015 | 2015-05-07 | 2015-09-17 |
| 2016 | 2016-05-24 | 2016-09-25 |
| 2017 | 2017-05-16 | 2017-09-26 |
| 2018 | 2018-05-01 | 2018-10-09 |
| 2019 | 2019-06-05 | 2019-10-01 |
| 2020 | 2020-05-24 | 2020-09-03 |
| 2021 | 2021-04-27 | 2021-10-01 |
| 2022 | 2022-04-23 | 2022-09-21 |
| 2023 | 2023-05-30 | 2023-10-03 |
| 2024 | 2024-05-18 | 2024-10-05 |
| 2025 | 2025-05-15 | 2025-10-06 |
| 2026 | 2026-05-17 | 2026-10-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 84 | 73 | 1983 | 36 |
| 35 C (95 F): Days | 69 | 23 | 1988 | 4 |
| 40 C (104 F): Days | 6 | 1 | 1953 | 1 |
| 90 F (32.2 C): Days | 84 | 48 | 1988 | 18 |
| 100 F (37.8 C): Days | 25 | 8 | 1988 | 1 |
| 0 C (32 F): Ice days (max | 84 | 70 | 1978 | 31 |
| 0 C (32 F): Frost days (min | 84 | 139 | 1943 | 66 |
| -10 C (14 F): Days with min | 84 | 55 | 1963 | 17 |
| -20 C (-4 F): Days with min | 63 | 20 | 1963 | 2 |
| -30 C (-22 F): Days with min | 3 | 1 | 1982 | 1 |
| 20 C (68 F): Tropical nights (min | 84 | 71 | 2022 | 51 |
| 25 C (77 F): Days with min | 51 | 13 | 1988 | 9 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 84 | 48 | 2019 | 23 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 83 | 17 | 2014 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 70 | 4 | 1951 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 2 | 1954 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 74 | 8 | 1978 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 13 | 1 | 1951 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.
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).