{"title":"Denver: Tropical nights (min at or above 20 C), days by year","description":"Days by year for Tropical nights (min at or above 20 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/nights-above-20c/","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_ge_20c","year":1996,"days":1,"first":"1996-07-03","last":"1996-07-03","longest_streak":1},{"threshold":"tmin_ge_20c","year":1997,"days":2,"first":"1997-07-16","last":"1997-07-17","longest_streak":2},{"threshold":"tmin_ge_20c","year":1998,"days":4,"first":"1998-07-14","last":"1998-07-20","longest_streak":3},{"threshold":"tmin_ge_20c","year":1999,"days":2,"first":"1999-07-03","last":"1999-07-04","longest_streak":2},{"threshold":"tmin_ge_20c","year":2000,"days":4,"first":"2000-07-15","last":"2000-08-08","longest_streak":1},{"threshold":"tmin_ge_20c","year":2001,"days":6,"first":"2001-07-02","last":"2001-08-05","longest_streak":2},{"threshold":"tmin_ge_20c","year":2002,"days":2,"first":"2002-07-02","last":"2002-07-30","longest_streak":1},{"threshold":"tmin_ge_20c","year":2003,"days":3,"first":"2003-07-17","last":"2003-07-25","longest_streak":2},{"threshold":"tmin_ge_20c","year":2004,"days":1,"first":"2004-06-07","last":"2004-06-07","longest_streak":1},{"threshold":"tmin_ge_20c","year":2005,"days":4,"first":"2005-07-08","last":"2005-07-30","longest_streak":1},{"threshold":"tmin_ge_20c","year":2006,"days":5,"first":"2006-07-16","last":"2006-08-10","longest_streak":2},{"threshold":"tmin_ge_20c","year":2007,"days":1,"first":"2007-07-18","last":"2007-07-18","longest_streak":1},{"threshold":"tmin_ge_20c","year":2008,"days":4,"first":"2008-07-05","last":"2008-08-02","longest_streak":1},{"threshold":"tmin_ge_20c","year":2010,"days":1,"first":"2010-07-13","last":"2010-07-13","longest_streak":1},{"threshold":"tmin_ge_20c","year":2011,"days":1,"first":"2011-09-01","last":"2011-09-01","longest_streak":1},{"threshold":"tmin_ge_20c","year":2012,"days":8,"first":"2012-06-24","last":"2012-08-06","longest_streak":2},{"threshold":"tmin_ge_20c","year":2014,"days":3,"first":"2014-07-20","last":"2014-07-25","longest_streak":2},{"threshold":"tmin_ge_20c","year":2016,"days":1,"first":"2016-07-22","last":"2016-07-22","longest_streak":1},{"threshold":"tmin_ge_20c","year":2017,"days":1,"first":"2017-07-25","last":"2017-07-25","longest_streak":1},{"threshold":"tmin_ge_20c","year":2018,"days":1,"first":"2018-07-21","last":"2018-07-21","longest_streak":1},{"threshold":"tmin_ge_20c","year":2019,"days":2,"first":"2019-07-17","last":"2019-08-04","longest_streak":1},{"threshold":"tmin_ge_20c","year":2020,"days":2,"first":"2020-08-24","last":"2020-08-25","longest_streak":2},{"threshold":"tmin_ge_20c","year":2021,"days":5,"first":"2021-06-17","last":"2021-08-09","longest_streak":1},{"threshold":"tmin_ge_20c","year":2022,"days":8,"first":"2022-07-10","last":"2022-08-12","longest_streak":2},{"threshold":"tmin_ge_20c","year":2023,"days":4,"first":"2023-07-18","last":"2023-08-22","longest_streak":2},{"threshold":"tmin_ge_20c","year":2024,"days":2,"first":"2024-06-25","last":"2024-07-14","longest_streak":1},{"threshold":"tmin_ge_20c","year":2025,"days":2,"first":"2025-07-14","last":"2025-08-07","longest_streak":1},{"threshold":"tmin_ge_20c","year":2026,"days":8,"first":"2026-07-16","last":"2026-08-11","longest_streak":3}]}