{"title":"Denver: Days at or above 30 C, days by year","description":"Days by year for Days at or above 30 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-above-30c/","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":"tmax_ge_30c","year":1996,"days":66,"first":"1996-05-14","last":"1996-09-10","longest_streak":7},{"threshold":"tmax_ge_30c","year":1997,"days":55,"first":"1997-05-17","last":"1997-10-05","longest_streak":9},{"threshold":"tmax_ge_30c","year":1998,"days":58,"first":"1998-05-28","last":"1998-09-28","longest_streak":11},{"threshold":"tmax_ge_30c","year":1999,"days":44,"first":"1999-06-08","last":"1999-09-25","longest_streak":9},{"threshold":"tmax_ge_30c","year":2000,"days":85,"first":"2000-05-04","last":"2000-09-17","longest_streak":25},{"threshold":"tmax_ge_30c","year":2001,"days":75,"first":"2001-06-02","last":"2001-09-28","longest_streak":20},{"threshold":"tmax_ge_30c","year":2002,"days":77,"first":"2002-05-21","last":"2002-09-16","longest_streak":15},{"threshold":"tmax_ge_30c","year":2003,"days":61,"first":"2003-05-29","last":"2003-10-19","longest_streak":20},{"threshold":"tmax_ge_30c","year":2004,"days":44,"first":"2004-05-05","last":"2004-09-18","longest_streak":9},{"threshold":"tmax_ge_30c","year":2005,"days":89,"first":"2005-05-20","last":"2005-10-03","longest_streak":31},{"threshold":"tmax_ge_30c","year":2006,"days":75,"first":"2006-05-18","last":"2006-09-14","longest_streak":22},{"threshold":"tmax_ge_30c","year":2007,"days":77,"first":"2007-06-10","last":"2007-10-06","longest_streak":15},{"threshold":"tmax_ge_30c","year":2008,"days":70,"first":"2008-05-18","last":"2008-09-28","longest_streak":25},{"threshold":"tmax_ge_30c","year":2009,"days":49,"first":"2009-05-18","last":"2009-09-29","longest_streak":6},{"threshold":"tmax_ge_30c","year":2010,"days":80,"first":"2010-05-22","last":"2010-09-28","longest_streak":10},{"threshold":"tmax_ge_30c","year":2011,"days":82,"first":"2011-05-07","last":"2011-10-01","longest_streak":31},{"threshold":"tmax_ge_30c","year":2012,"days":91,"first":"2012-04-24","last":"2012-09-23","longest_streak":24},{"threshold":"tmax_ge_30c","year":2014,"days":56,"first":"2014-05-28","last":"2014-09-27","longest_streak":9},{"threshold":"tmax_ge_30c","year":2015,"days":74,"first":"2015-06-02","last":"2015-10-11","longest_streak":18},{"threshold":"tmax_ge_30c","year":2016,"days":74,"first":"2016-06-09","last":"2016-10-16","longest_streak":25},{"threshold":"tmax_ge_30c","year":2017,"days":80,"first":"2017-05-06","last":"2017-09-22","longest_streak":19},{"threshold":"tmax_ge_30c","year":2018,"days":85,"first":"2018-05-10","last":"2018-10-03","longest_streak":14},{"threshold":"tmax_ge_30c","year":2019,"days":74,"first":"2019-06-07","last":"2019-09-29","longest_streak":30},{"threshold":"tmax_ge_30c","year":2020,"days":101,"first":"2020-05-18","last":"2020-10-10","longest_streak":28},{"threshold":"tmax_ge_30c","year":2021,"days":83,"first":"2021-05-01","last":"2021-09-27","longest_streak":16},{"threshold":"tmax_ge_30c","year":2022,"days":90,"first":"2022-04-22","last":"2022-09-28","longest_streak":16},{"threshold":"tmax_ge_30c","year":2023,"days":58,"first":"2023-06-19","last":"2023-10-20","longest_streak":15},{"threshold":"tmax_ge_30c","year":2024,"days":96,"first":"2024-06-02","last":"2024-10-05","longest_streak":24},{"threshold":"tmax_ge_30c","year":2025,"days":67,"first":"2025-04-12","last":"2025-10-03","longest_streak":15},{"threshold":"tmax_ge_30c","year":2026,"days":94,"first":"2026-03-21","last":"2026-10-09","longest_streak":39}]}