{"title":"Denver: Frost days (min at or below 0 C), days by year","description":"Days by year for Frost days (min at or below 0 C) in Denver.","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/denver/days-below-0c/","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":"tmin_le_0c","year":1996,"days":167,"first":"1996-01-01","last":"1996-12-30","longest_streak":23},{"threshold":"tmin_le_0c","year":1997,"days":167,"first":"1997-01-03","last":"1997-12-31","longest_streak":33},{"threshold":"tmin_le_0c","year":1998,"days":156,"first":"1998-01-03","last":"1998-12-31","longest_streak":78},{"threshold":"tmin_le_0c","year":1999,"days":159,"first":"1999-01-01","last":"1999-12-31","longest_streak":46},{"threshold":"tmin_le_0c","year":2000,"days":162,"first":"2000-01-01","last":"2000-12-31","longest_streak":125},{"threshold":"tmin_le_0c","year":2001,"days":159,"first":"2001-01-01","last":"2001-12-31","longest_streak":32},{"threshold":"tmin_le_0c","year":2002,"days":175,"first":"2002-01-01","last":"2002-12-31","longest_streak":40},{"threshold":"tmin_le_0c","year":2003,"days":161,"first":"2003-01-01","last":"2003-12-31","longest_streak":80},{"threshold":"tmin_le_0c","year":2004,"days":157,"first":"2004-01-01","last":"2004-12-31","longest_streak":38},{"threshold":"tmin_le_0c","year":2005,"days":155,"first":"2005-01-01","last":"2005-12-31","longest_streak":43},{"threshold":"tmin_le_0c","year":2006,"days":157,"first":"2006-01-01","last":"2006-12-31","longest_streak":80},{"threshold":"tmin_le_0c","year":2007,"days":139,"first":"2007-01-01","last":"2007-12-31","longest_streak":27},{"threshold":"tmin_le_0c","year":2008,"days":171,"first":"2008-01-01","last":"2008-12-31","longest_streak":56},{"threshold":"tmin_le_0c","year":2009,"days":160,"first":"2009-01-02","last":"2009-12-31","longest_streak":100},{"threshold":"tmin_le_0c","year":2010,"days":158,"first":"2010-01-01","last":"2010-12-31","longest_streak":33},{"threshold":"tmin_le_0c","year":2011,"days":158,"first":"2011-01-01","last":"2011-12-31","longest_streak":28},{"threshold":"tmin_le_0c","year":2012,"days":132,"first":"2012-01-01","last":"2012-12-31","longest_streak":48},{"threshold":"tmin_le_0c","year":2014,"days":150,"first":"2014-01-01","last":"2014-12-31","longest_streak":48},{"threshold":"tmin_le_0c","year":2015,"days":126,"first":"2015-01-01","last":"2015-12-31","longest_streak":49},{"threshold":"tmin_le_0c","year":2016,"days":138,"first":"2016-01-01","last":"2016-12-31","longest_streak":38},{"threshold":"tmin_le_0c","year":2017,"days":144,"first":"2017-01-01","last":"2017-12-31","longest_streak":29},{"threshold":"tmin_le_0c","year":2018,"days":162,"first":"2018-01-01","last":"2018-12-31","longest_streak":43},{"threshold":"tmin_le_0c","year":2019,"days":170,"first":"2019-01-01","last":"2019-12-31","longest_streak":46},{"threshold":"tmin_le_0c","year":2020,"days":162,"first":"2020-01-01","last":"2020-12-31","longest_streak":34},{"threshold":"tmin_le_0c","year":2021,"days":146,"first":"2021-01-01","last":"2021-12-31","longest_streak":51},{"threshold":"tmin_le_0c","year":2022,"days":158,"first":"2022-01-01","last":"2022-12-31","longest_streak":48},{"threshold":"tmin_le_0c","year":2023,"days":161,"first":"2023-01-01","last":"2023-12-31","longest_streak":59},{"threshold":"tmin_le_0c","year":2024,"days":149,"first":"2024-01-01","last":"2024-12-31","longest_streak":40},{"threshold":"tmin_le_0c","year":2025,"days":133,"first":"2025-01-01","last":"2025-12-31","longest_streak":20},{"threshold":"tmin_le_0c","year":2026,"days":68,"first":"2026-01-03","last":"2026-05-06","longest_streak":23}]}