{"title":"Chicago: Days with 50 mm or more rain, days by year","description":"Days by year for Days with 50 mm or more rain in Chicago.","dataAsOf":"2026-10-17T00:00:00Z","lastRevised":"2026-10-18","source":"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.","licence":"US Government open data (NOAA NCEI)","page":"https://worldextremeweathermonitor.com/cities/chicago/days-over-50mm-rain/","columns":[{"name":"threshold","description":"Threshold id, for example tmax_ge_40c."},{"name":"year","description":"Calendar year."},{"name":"days","description":"Days in the year at or beyond the threshold."},{"name":"first","description":"First qualifying date of the year."},{"name":"last","description":"Last qualifying date of the year."},{"name":"longest_streak","description":"Longest run of consecutive qualifying days inside the year."}],"rows":[{"threshold":"prcp_ge_50mm","year":1960,"days":1,"first":"1960-01-12","last":"1960-01-12","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1961,"days":2,"first":"1961-09-13","last":"1961-09-25","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1962,"days":1,"first":"1962-07-02","last":"1962-07-02","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1963,"days":1,"first":"1963-07-13","last":"1963-07-13","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1964,"days":1,"first":"1964-07-18","last":"1964-07-18","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1966,"days":1,"first":"1966-05-11","last":"1966-05-11","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1967,"days":1,"first":"1967-06-10","last":"1967-06-10","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1968,"days":1,"first":"1968-08-16","last":"1968-08-16","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1969,"days":1,"first":"1969-10-10","last":"1969-10-10","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1970,"days":1,"first":"1970-05-12","last":"1970-05-12","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1971,"days":1,"first":"1971-08-24","last":"1971-08-24","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1972,"days":3,"first":"1972-04-16","last":"1972-09-17","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1973,"days":1,"first":"1973-09-24","last":"1973-09-24","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1975,"days":1,"first":"1975-08-30","last":"1975-08-30","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1976,"days":1,"first":"1976-04-25","last":"1976-04-25","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1978,"days":3,"first":"1978-06-17","last":"1978-09-17","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1979,"days":1,"first":"1979-08-29","last":"1979-08-29","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1981,"days":2,"first":"1981-04-28","last":"1981-05-29","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1982,"days":4,"first":"1982-07-02","last":"1982-12-02","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1983,"days":2,"first":"1983-10-22","last":"1983-11-27","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1985,"days":2,"first":"1985-10-18","last":"1985-11-01","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1987,"days":4,"first":"1987-08-13","last":"1987-08-26","longest_streak":2},{"threshold":"prcp_ge_50mm","year":1988,"days":1,"first":"1988-10-17","last":"1988-10-17","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1989,"days":3,"first":"1989-07-18","last":"1989-09-01","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1990,"days":3,"first":"1990-05-09","last":"1990-11-27","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1991,"days":1,"first":"1991-10-04","last":"1991-10-04","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1993,"days":1,"first":"1993-07-18","last":"1993-07-18","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1994,"days":2,"first":"1994-06-23","last":"1994-10-31","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1995,"days":1,"first":"1995-11-10","last":"1995-11-10","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1996,"days":1,"first":"1996-05-09","last":"1996-05-09","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1997,"days":2,"first":"1997-02-21","last":"1997-07-18","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1998,"days":2,"first":"1998-05-07","last":"1998-10-17","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2000,"days":2,"first":"2000-04-20","last":"2000-09-11","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2001,"days":2,"first":"2001-08-30","last":"2001-10-13","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2002,"days":5,"first":"2002-05-11","last":"2002-08-22","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2003,"days":2,"first":"2003-04-30","last":"2003-08-01","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2006,"days":1,"first":"2006-07-20","last":"2006-07-20","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2007,"days":1,"first":"2007-08-23","last":"2007-08-23","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2008,"days":3,"first":"2008-08-04","last":"2008-09-13","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2009,"days":1,"first":"2009-06-19","last":"2009-06-19","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2010,"days":2,"first":"2010-07-23","last":"2010-07-24","longest_streak":2},{"threshold":"prcp_ge_50mm","year":2011,"days":2,"first":"2011-05-25","last":"2011-07-23","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2013,"days":2,"first":"2013-04-17","last":"2013-04-18","longest_streak":2},{"threshold":"prcp_ge_50mm","year":2014,"days":3,"first":"2014-05-12","last":"2014-08-04","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2015,"days":2,"first":"2015-06-15","last":"2015-09-18","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2017,"days":1,"first":"2017-10-14","last":"2017-10-14","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2018,"days":2,"first":"2018-02-20","last":"2018-08-07","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2019,"days":2,"first":"2019-09-27","last":"2019-10-26","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2020,"days":2,"first":"2020-05-14","last":"2020-05-17","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2023,"days":1,"first":"2023-07-02","last":"2023-07-02","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2026,"days":1,"first":"2026-04-14","last":"2026-04-14","longest_streak":1}]}