{"title":"Piedras Negras: threshold days by year","description":"Days at or beyond each fixed threshold at Piedras Negras, by year.","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/stations/MXN00021185/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":"tmax_ge_30c","year":1984,"days":204,"first":"1984-01-09","last":"1984-12-31","longest_streak":26},{"threshold":"tmax_ge_30c","year":1985,"days":242,"first":"1985-01-27","last":"1985-12-31","longest_streak":55},{"threshold":"tmax_ge_30c","year":1986,"days":235,"first":"1986-01-19","last":"1986-12-09","longest_streak":40},{"threshold":"tmax_ge_30c","year":1987,"days":220,"first":"1987-01-15","last":"1987-12-25","longest_streak":44},{"threshold":"tmax_ge_30c","year":2005,"days":60,"first":"2005-06-15","last":"2005-10-23","longest_streak":12},{"threshold":"tmax_ge_30c","year":2007,"days":180,"first":"2007-04-04","last":"2007-11-22","longest_streak":17},{"threshold":"tmax_ge_30c","year":2008,"days":168,"first":"2008-03-03","last":"2008-12-27","longest_streak":23},{"threshold":"tmax_ge_30c","year":2009,"days":205,"first":"2009-04-02","last":"2009-12-23","longest_streak":72},{"threshold":"tmax_ge_35c","year":1984,"days":35,"first":"1984-03-23","last":"1984-10-22","longest_streak":13},{"threshold":"tmax_ge_35c","year":1985,"days":30,"first":"1985-01-31","last":"1985-09-23","longest_streak":5},{"threshold":"tmax_ge_35c","year":1986,"days":42,"first":"1986-02-19","last":"1986-09-27","longest_streak":5},{"threshold":"tmax_ge_35c","year":1987,"days":46,"first":"1987-02-15","last":"1987-10-27","longest_streak":12},{"threshold":"tmax_ge_35c","year":2007,"days":19,"first":"2007-05-06","last":"2007-06-19","longest_streak":10},{"threshold":"tmax_ge_35c","year":2008,"days":26,"first":"2008-03-03","last":"2008-08-15","longest_streak":6},{"threshold":"tmax_ge_35c","year":2009,"days":45,"first":"2009-05-01","last":"2009-12-09","longest_streak":9},{"threshold":"tmax_ge_40c","year":1984,"days":12,"first":"1984-03-27","last":"1984-05-07","longest_streak":6},{"threshold":"tmax_ge_40c","year":2008,"days":2,"first":"2008-04-11","last":"2008-05-23","longest_streak":1},{"threshold":"tmax_ge_90f","year":1984,"days":108,"first":"1984-03-05","last":"1984-11-04","longest_streak":14},{"threshold":"tmax_ge_90f","year":1985,"days":146,"first":"1985-01-31","last":"1985-11-13","longest_streak":38},{"threshold":"tmax_ge_90f","year":1986,"days":162,"first":"1986-02-05","last":"1986-10-23","longest_streak":25},{"threshold":"tmax_ge_90f","year":1987,"days":126,"first":"1987-02-15","last":"1987-12-14","longest_streak":23},{"threshold":"tmax_ge_90f","year":2005,"days":6,"first":"2005-09-09","last":"2005-10-01","longest_streak":2},{"threshold":"tmax_ge_90f","year":2007,"days":97,"first":"2007-04-12","last":"2007-10-19","longest_streak":13},{"threshold":"tmax_ge_90f","year":2008,"days":83,"first":"2008-03-03","last":"2008-10-06","longest_streak":13},{"threshold":"tmax_ge_90f","year":2009,"days":149,"first":"2009-04-25","last":"2009-12-09","longest_streak":26},{"threshold":"tmax_ge_100f","year":1984,"days":14,"first":"1984-03-27","last":"1984-05-07","longest_streak":6},{"threshold":"tmax_ge_100f","year":1985,"days":2,"first":"1985-04-05","last":"1985-06-11","longest_streak":1},{"threshold":"tmax_ge_100f","year":1987,"days":3,"first":"1987-04-13","last":"1987-05-30","longest_streak":1},{"threshold":"tmax_ge_100f","year":2007,"days":2,"first":"2007-05-06","last":"2007-06-07","longest_streak":1},{"threshold":"tmax_ge_100f","year":2008,"days":7,"first":"2008-03-15","last":"2008-05-24","longest_streak":3},{"threshold":"tmax_ge_110f","year":1984,"days":2,"first":"1984-04-27","last":"1984-05-03","longest_streak":1},{"threshold":"tmin_ge_20c","year":1984,"days":179,"first":"1984-02-19","last":"1984-12-17","longest_streak":51},{"threshold":"tmin_ge_20c","year":1985,"days":196,"first":"1985-02-22","last":"1985-11-27","longest_streak":52},{"threshold":"tmin_ge_20c","year":1986,"days":198,"first":"1986-03-08","last":"1986-12-10","longest_streak":58},{"threshold":"tmin_ge_20c","year":1987,"days":163,"first":"1987-03-22","last":"1987-11-19","longest_streak":103},{"threshold":"tmin_ge_20c","year":2007,"days":178,"first":"2007-05-01","last":"2007-10-31","longest_streak":123},{"threshold":"tmin_ge_20c","year":2008,"days":34,"first":"2008-09-01","last":"2008-10-26","longest_streak":16},{"threshold":"tmin_ge_20c","year":2009,"days":120,"first":"2009-07-01","last":"2009-10-29","longest_streak":108},{"threshold":"tmin_ge_25c","year":1984,"days":5,"first":"1984-06-05","last":"1984-10-19","longest_streak":2},{"threshold":"tmin_ge_25c","year":1985,"days":3,"first":"1985-05-14","last":"1985-06-06","longest_streak":2},{"threshold":"tmin_ge_25c","year":1986,"days":4,"first":"1986-05-14","last":"1986-05-18","longest_streak":3},{"threshold":"tmin_ge_25c","year":1987,"days":6,"first":"1987-05-27","last":"1987-08-14","longest_streak":3},{"threshold":"tmin_ge_25c","year":2007,"days":6,"first":"2007-05-04","last":"2007-06-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1984,"days":55,"first":"1984-02-06","last":"1984-12-03","longest_streak":7},{"threshold":"prcp_ge_10mm","year":1985,"days":39,"first":"1985-04-08","last":"1985-12-02","longest_st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