{"title":"Chicago: Days with 10 cm or more snowfall, days by year","description":"Days by year for Days with 10 cm or more snowfall 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-10cm-snow/","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":"snow_ge_10cm","year":1959,"days":2,"first":"1959-01-20","last":"1959-12-23","longest_streak":1},{"threshold":"snow_ge_10cm","year":1960,"days":3,"first":"1960-02-09","last":"1960-03-16","longest_streak":1},{"threshold":"snow_ge_10cm","year":1961,"days":3,"first":"1961-02-03","last":"1961-12-23","longest_streak":1},{"threshold":"snow_ge_10cm","year":1962,"days":1,"first":"1962-01-06","last":"1962-01-06","longest_streak":1},{"threshold":"snow_ge_10cm","year":1963,"days":3,"first":"1963-01-19","last":"1963-12-17","longest_streak":1},{"threshold":"snow_ge_10cm","year":1964,"days":3,"first":"1964-03-08","last":"1964-12-04","longest_streak":1},{"threshold":"snow_ge_10cm","year":1965,"days":6,"first":"1965-01-15","last":"1965-03-23","longest_streak":1},{"threshold":"snow_ge_10cm","year":1966,"days":2,"first":"1966-01-12","last":"1966-12-28","longest_streak":1},{"threshold":"snow_ge_10cm","year":1967,"days":6,"first":"1967-01-26","last":"1967-10-27","longest_streak":2},{"threshold":"snow_ge_10cm","year":1969,"days":2,"first":"1969-12-07","last":"1969-12-23","longest_streak":1},{"threshold":"snow_ge_10cm","year":1970,"days":3,"first":"1970-03-25","last":"1970-04-02","longest_streak":2},{"threshold":"snow_ge_10cm","year":1971,"days":1,"first":"1971-01-03","last":"1971-01-03","longest_streak":1},{"threshold":"snow_ge_10cm","year":1972,"days":3,"first":"1972-03-13","last":"1972-12-12","longest_streak":1},{"threshold":"snow_ge_10cm","year":1973,"days":3,"first":"1973-02-15","last":"1973-12-16","longest_streak":1},{"threshold":"snow_ge_10cm","year":1975,"days":2,"first":"1975-04-02","last":"1975-11-26","longest_streak":1},{"threshold":"snow_ge_10cm","year":1977,"days":2,"first":"1977-12-08","last":"1977-12-20","longest_streak":1},{"threshold":"snow_ge_10cm","year":1978,"days":5,"first":"1978-01-01","last":"1978-12-31","longest_streak":1},{"threshold":"snow_ge_10cm","year":1979,"days":2,"first":"1979-01-13","last":"1979-01-24","longest_streak":1},{"threshold":"snow_ge_10cm","year":1981,"days":1,"first":"1981-02-10","last":"1981-02-10","longest_streak":1},{"threshold":"snow_ge_10cm","year":1982,"days":3,"first":"1982-01-31","last":"1982-04-05","longest_streak":1},{"threshold":"snow_ge_10cm","year":1984,"days":2,"first":"1984-01-30","last":"1984-03-17","longest_streak":1},{"threshold":"snow_ge_10cm","year":1985,"days":3,"first":"1985-01-01","last":"1985-02-11","longest_streak":1},{"threshold":"snow_ge_10cm","year":1986,"days":1,"first":"1986-03-19","last":"1986-03-19","longest_streak":1},{"threshold":"snow_ge_10cm","year":1987,"days":3,"first":"1987-01-09","last":"1987-12-28","longest_streak":1},{"threshold":"snow_ge_10cm","year":1988,"days":2,"first":"1988-02-10","last":"1988-02-11","longest_streak":2},{"threshold":"snow_ge_10cm","year":1990,"days":1,"first":"1990-02-14","last":"1990-02-14","longest_streak":1},{"threshold":"snow_ge_10cm","year":1991,"days":3,"first":"1991-01-11","last":"1991-12-02","longest_streak":1},{"threshold":"snow_ge_10cm","year":1992,"days":1,"first":"1992-03-21","last":"1992-03-21","longest_streak":1},{"threshold":"snow_ge_10cm","year":1993,"days":1,"first":"1993-01-10","last":"1993-01-10","longest_streak":1},{"threshold":"snow_ge_10cm","year":1994,"days":4,"first":"1994-02-22","last":"1994-12-06","longest_streak":2},{"threshold":"snow_ge_10cm","year":1999,"days":3,"first":"1999-01-02","last":"1999-03-09","longest_streak":2},{"threshold":"snow_ge_10cm","year":2000,"days":4,"first":"2000-02-18","last":"2000-12-29","longest_streak":1},{"threshold":"snow_ge_10cm","year":2001,"days":1,"first":"2001-03-16","last":"2001-03-16","longest_streak":1},{"threshold":"snow_ge_10cm","year":2002,"days":3,"first":"2002-01-30","last":"2002-03-02","longest_streak":2},{"threshold":"snow_ge_10cm","year":2003,"days":1,"first":"2003-03-04","last":"2003-03-04","longest_streak":1},{"threshold":"snow_ge_10cm","year":2004,"days":2,"first":"2004-01-04","last":"2004-11-24","longest_streak":1},{"threshold":"snow_ge_10cm","year":2005,"days":4,"first":"2005-01-05","last":"2005-12-08","longest_streak":2},{"threshold":"snow_ge_10cm","year":2006,"days":2,"first":"2006-01-20","last":"2006-12-01","longest_streak":1},{"threshold":"snow_ge_10cm","year":2007,"days":1,"first":"2007-02-13","last":"2007-02-13","longest_streak":1},{"threshold":"snow_ge_10cm","year":2008,"days":3,"first":"2008-02-06","last":"2008-12-16","longest_streak":1},{"threshold":"snow_ge_10cm","year":2009,"days":2,"first":"2009-01-10","last":"2009-12-26","longest_streak":1},{"threshold":"snow_ge_10cm","year":2010,"days":2,"first":"2010-02-09","last":"2010-12-04","longest_streak":1},{"threshold":"snow_ge_10cm","year":2011,"days":3,"first":"2011-01-11","last":"2011-02-02","longest_streak":2},{"threshold":"snow_ge_10cm","year":2012,"days":2,"first":"2012-01-12","last":"2012-01-20","longest_streak":1},{"threshold":"snow_ge_10cm","year":2013,"days":3,"first":"2013-02-26","last":"2013-12-14","longest_streak":1},{"threshold":"snow_ge_10cm","year":2014,"days":4,"first":"2014-01-02","last":"2014-02-17","longest_streak":1},{"threshold":"snow_ge_10cm","year":2015,"days":4,"first":"2015-02-01","last":"2015-11-21","longest_streak":2},{"threshold":"snow_ge_10cm","year":2016,"days":2,"first":"2016-12-04","last":"2016-12-11","longest_streak":1},{"threshold":"snow_ge_10cm","year":2018,"days":2,"first":"2018-02-09","last":"2018-11-26","longest_streak":1},{"threshold":"snow_ge_10cm","year":2019,"days":2,"first":"2019-01-28","last":"2019-04-14","longest_streak":1},{"threshold":"snow_ge_10cm","year":2021,"days":4,"first":"2021-01-26","last":"2021-02-15","longest_streak":2},{"threshold":"snow_ge_10cm","year":2022,"days":1,"first":"2022-02-02","last":"2022-02-02","longest_streak":1},{"threshold":"snow_ge_10cm","year":2024,"days":1,"first":"2024-01-12","last":"2024-01-12","longest_streak":1},{"threshold":"snow_ge_10cm","year":2025,"days":2,"first":"2025-11-29","last":"2025-12-07","longest_streak":1},{"threshold":"snow_ge_10cm","year":2026,"days":1,"first":"2026-01-25","last":"2026-01-25","longest_streak":1}]}