{"title":"Mount Wilson: threshold days by year","description":"Days at or beyond each fixed threshold at Mount Wilson, by year.","dataAsOf":"2026-10-16T00:00:00Z","lastRevised":"2026-10-17","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/stations/ASN00023906/thresholds/","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_10mm","year":1984,"days":17,"first":"1984-03-11","last":"1984-11-10","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1985,"days":19,"first":"1985-04-05","last":"1985-12-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1986,"days":22,"first":"1986-04-16","last":"1986-12-07","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1987,"days":23,"first":"1987-02-20","last":"1987-12-09","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1994,"days":13,"first":"1994-01-06","last":"1994-11-02","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1995,"days":26,"first":"1995-01-14","last":"1995-10-23","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1999,"days":30,"first":"1999-03-07","last":"1999-12-03","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2000,"days":26,"first":"2000-02-20","last":"2000-10-19","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2002,"days":15,"first":"2002-01-02","last":"2002-12-05","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2003,"days":26,"first":"2003-01-30","last":"2003-12-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2006,"days":13,"first":"2006-01-29","last":"2006-11-12","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2007,"days":24,"first":"2007-01-07","last":"2007-12-22","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2008,"days":10,"first":"2008-04-27","last":"2008-12-13","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2009,"days":26,"first":"2009-03-04","last":"2009-11-29","longest_streak":4},{"threshold":"prcp_ge_10mm","year":2010,"days":24,"first":"2010-03-07","last":"2010-12-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2011,"days":21,"first":"2011-01-14","last":"2011-12-18","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2012,"days":20,"first":"2012-01-08","last":"2012-11-06","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2013,"days":21,"first":"2013-03-31","last":"2013-09-20","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2014,"days":15,"first":"2014-02-14","last":"2014-11-16","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2015,"days":15,"first":"2015-01-13","last":"2015-11-04","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2017,"days":23,"first":"2017-01-13","last":"2017-12-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2018,"days":16,"first":"2018-04-14","last":"2018-12-14","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1985,"days":3,"first":"1985-04-14","last":"1985-09-10","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1986,"days":7,"first":"1986-04-16","last":"1986-08-15","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1987,"days":3,"first":"1987-02-28","last":"1987-07-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1994,"days":3,"first":"1994-06-07","last":"1994-11-02","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1995,"days":8,"first":"1995-05-03","last":"1995-08-02","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1999,"days":4,"first":"1999-05-25","last":"1999-12-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2000,"days":8,"first":"2000-02-20","last":"2000-10-18","longest_streak":3},{"threshold":"prcp_ge_25mm","year":2002,"days":2,"first":"2002-05-20","last":"2002-11-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2003,"days":5,"first":"2003-01-30","last":"2003-08-24","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2006,"days":1,"first":"2006-07-17","last":"2006-07-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2007,"days":6,"first":"2007-01-20","last":"2007-12-22","longest_streak":3},{"threshold":"prcp_ge_25mm","year":2008,"days":1,"first":"2008-05-17","last":"2008-05-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2009,"days":1,"first":"2009-04-25","last":"2009-04-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2010,"days":6,"first":"2010-06-29","last":"2010-12-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2011,"days":3,"first":"2011-02-19","last":"2011-09-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2012,"days":8,"first":"2012-03-01","last":"2012-10-11","longest_streak":2},{"threshold":"prcp_ge_25mm","year":2013,"days":3,"first":"2013-06-01","last":"2013-07-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2014,"days":2,"first":"2014-02-14","last":"2014-04-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2015,"days":2,"first":"2015-04-07","last":"2015-05-19","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2017,"days":7,"first":"2017-01-24","last":"2017-10-13","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2018,"days":1,"first":"2018-08-06","last":"2018-08-06","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1986,"days":2,"first":"1986-07-02","last":"1986-07-04","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1995,"days":1,"first":"1995-07-12","last":"1995-07-12","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2012,"days":1,"first":"2012-06-21","last":"2012-06-21","longest_streak":1}]}