{"title":"Mapleton: threshold days by year","description":"Days at or beyond each fixed threshold at Mapleton, 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/CA008102566/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":1973,"days":1,"first":"1973-07-08","last":"1973-07-08","longest_streak":1},{"threshold":"tmax_ge_30c","year":1974,"days":2,"first":"1974-08-12","last":"1974-08-13","longest_streak":2},{"threshold":"tmax_ge_30c","year":1975,"days":12,"first":"1975-06-23","last":"1975-08-11","longest_streak":4},{"threshold":"tmax_ge_30c","year":1976,"days":7,"first":"1976-06-16","last":"1976-08-22","longest_streak":2},{"threshold":"tmax_ge_30c","year":1977,"days":8,"first":"1977-05-22","last":"1977-08-29","longest_streak":3},{"threshold":"tmax_ge_30c","year":1978,"days":6,"first":"1978-05-28","last":"1978-08-16","longest_streak":2},{"threshold":"tmax_ge_30c","year":1979,"days":2,"first":"1979-06-16","last":"1979-07-10","longest_streak":1},{"threshold":"tmax_ge_30c","year":1980,"days":2,"first":"1980-06-25","last":"1980-06-26","longest_streak":2},{"threshold":"tmax_ge_30c","year":1981,"days":3,"first":"1981-07-03","last":"1981-08-02","longest_streak":1},{"threshold":"tmax_ge_30c","year":1982,"days":5,"first":"1982-07-07","last":"1982-07-19","longest_streak":2},{"threshold":"tmax_ge_30c","year":1983,"days":7,"first":"1983-06-21","last":"1983-09-06","longest_streak":3},{"threshold":"tmax_ge_35c","year":1975,"days":1,"first":"1975-08-02","last":"1975-08-02","longest_streak":1},{"threshold":"tmax_ge_90f","year":1975,"days":2,"first":"1975-06-23","last":"1975-08-02","longest_streak":1},{"threshold":"tmax_ge_90f","year":1976,"days":2,"first":"1976-06-16","last":"1976-08-22","longest_streak":1},{"threshold":"tmax_ge_90f","year":1977,"days":3,"first":"1977-05-22","last":"1977-05-24","longest_streak":3},{"threshold":"tmax_ge_90f","year":1978,"days":1,"first":"1978-05-29","last":"1978-05-29","longest_streak":1},{"threshold":"tmax_le_0c","year":1973,"days":68,"first":"1973-01-02","last":"1973-12-31","longest_streak":21},{"threshold":"tmax_le_0c","year":1974,"days":94,"first":"1974-01-01","last":"1974-12-31","longest_streak":12},{"threshold":"tmax_le_0c","year":1975,"days":91,"first":"1975-01-01","last":"1975-12-29","longest_streak":27},{"threshold":"tmax_le_0c","year":1976,"days":97,"first":"1976-01-01","last":"1976-12-31","longest_streak":14},{"threshold":"tmax_le_0c","year":1977,"days":94,"first":"1977-01-01","last":"1977-12-31","longest_streak":29},{"threshold":"tmax_le_0c","year":1978,"days":99,"first":"1978-01-01","last":"1978-12-30","longest_streak":17},{"threshold":"tmax_le_0c","year":1979,"days":72,"first":"1979-01-03","last":"1979-12-31","longest_streak":19},{"threshold":"tmax_le_0c","year":1980,"days":94,"first":"1980-01-01","last":"1980-12-31","longest_streak":14},{"threshold":"tmax_le_0c","year":1981,"days":79,"first":"1981-01-01","last":"1981-12-31","longest_streak":18},{"threshold":"tmax_le_0c","year":1982,"days":98,"first":"1982-01-01","last":"1982-12-31","longest_streak":17},{"threshold":"tmax_le_0c","year":1983,"days":84,"first":"1983-01-01","last":"1983-12-31","longest_streak":11},{"threshold":"tmin_le_0c","year":1973,"days":179,"first":"1973-01-01","last":"1973-12-31","longest_streak":44},{"threshold":"tmin_le_0c","year":1974,"days":195,"first":"1974-01-01","last":"1974-12-31","longest_streak":35},{"threshold":"tmin_le_0c","year":1975,"days":182,"first":"1975-01-01","last":"1975-12-31","longest_streak":66},{"threshold":"tmin_le_0c","year":1976,"days":193,"first":"1976-01-01","last":"1976-12-31","longest_streak":101},{"threshold":"tmin_le_0c","year":1977,"days":188,"first":"1977-01-01","last":"1977-12-31","longest_streak":126},{"threshold":"tmin_le_0c","year":1978,"days":210,"first":"1978-01-01","last":"1978-12-31","longest_streak":55},{"threshold":"tmin_le_0c","year":1979,"days":169,"first":"1979-01-01","last":"1979-12-31","longest_streak":33},{"threshold":"tmin_le_0c","year":1980,"days":187,"first":"1980-01-01","last":"1980-12-31","longest_streak":86},{"threshold":"tmin_le_0c","year":1981,"days":187,"first":"1981-01-01","last":"1981-12-31","longest_streak":83},{"threshold":"tmin_le_0c","year":1982,"days":192,"first":"1982-01-01","last":"1982-12-31","longest_streak":35},{"threshold":"tmin_le_0c","year":1983,"days":196,"first":"1983-01-01","last":"1983-12-31","longest_streak":58},{"threshold":"tmin_le_m10c","year":1973,"days":60,"first":"1973-01-01","last":"1973-12-25","longest_streak":9},{"threshold":"tmin_le_m10c","year":1974,"days":87,"first":"1974-01-01","last":"1974-12-31","longest_streak":21},{"threshold":"tmin_le_m10c","year":1975,"days":80,"first":"1975-01-01","last":"1975-12-30","longest_streak":11},{"threshold":"tmin_le_m10c","year":1976,"days":94,"first":"1976-01-02","last":"1976-12-31","longest_streak":27},{"threshold":"tmin_le_m10c","year":1977,"days":78,"first":"1977-01-01","last":"1977-12-31","longest_streak":16},{"threshold":"tmin_le_m10c","year":1978,"days":100,"first":"1978-01-01","last":"1978-12-31","longest_streak":16},{"threshold":"tmin_le_m10c","year":1979,"days":60,"first":"1979-01-04","last":"1979-12-31","longest_streak":17},{"threshold":"tmin_le_m10c","year":1980,"days":81,"first":"1980-01-02","last":"1980-12-31","longest_streak":30},{"threshold":"tmin_le_m10c","year":1981,"days":63,"first":"1981-01-01","last":"1981-12-31","longest_streak":5},{"threshold":"tmin_le_m10c","year":1982,"days":90,"first":"1982-01-01","last":"1982-12-31","longest_streak":19},{"threshold":"tmin_le_m10c","year":1983,"days":69,"first":"1983-01-02","last":"1983-12-31","longest_streak":11},{"threshold":"tmin_le_m20c","year":1973,"days":22,"first":"1973-01-04","last":"1973-03-01","longest_streak":7},{"threshold":"tmin_le_m20c","year":1974,"days":22,"first":"1974-01-03","last":"1974-12-06","longest_streak":4},{"threshold":"tmin_le_m20c","year":1975,"days":28,"first":"1975-01-06","last":"1975-12-30","longest_streak":6},{"threshold":"tmin_le_m20c","year":1976,"days":34,"first":"1976-01-06","last":"1976-12-29","longest_streak":5},{"threshold":"tmin_le_m20c","year":1977,"days":25,"first":"1977-01-01","last":"1977-12-30","longest_streak":5},{"threshold":"tmin_le_m20c","year":1978,"days":24,"first":"1978-01-01","last":"1978-12-23","longest_streak":5},{"threshold":"tmin_le_m20c","year":1979,"days":24,"first":"1979-01-06","last":"1979-12-21","longest_streak":11},{"threshold":"tmin_le_m20c","year":1980,"days":24,"first":"1980-01-06","last":"1980-12-28","longest_streak":4},{"threshold":"tmin_le_m20c","year":1981,"days":20,"first":"1981-01-01","last":"1981-12-21","longest_streak":4},{"threshold":"tmin_le_m20c","year":1982,"days":33,"first":"1982-01-09","last":"1982-12-14","longest_streak":7},{"threshold":"tmin_le_m20c","year":1983,"days":21,"first":"1983-01-04","last":"1983-12-26","longest_streak":4},{"threshold":"tmin_le_m30c","year":1973,"days":1,"first":"1973-01-10","last":"1973-01-10","longest_streak":1},{"threshold":"tmin_le_m30c","year":1974,"days":1,"first":"1974-01-14","last":"1974-01-14","longest_streak":1},{"threshold":"tmin_le_m30c","year":1975,"days":1,"first":"1975-01-21","last":"1975-01-21","longest_streak":1},{"threshold":"tmin_le_m30c","year":1976,"days":3,"first":"1976-01-11","last":"1976-01-13","longest_streak":3},{"threshold":"tmin_le_m30c","year":1977,"days":2,"first":"1977-01-19","last":"1977-12-13","longest_streak":1},{"threshold":"tmin_le_m30c","year":1979,"days":1,"first":"1979-01-12","last":"1979-01-12","longest_streak":1},{"threshold":"tmin_le_m30c","year":1980,"days":2,"first":"1980-12-22","last":"1980-12-26","longest_streak":1},{"threshold":"tmin_le_m30c","year":1981,"days":2,"first":"1981-01-04","last":"1981-01-05","longest_streak":2},{"threshold":"tmin_le_m30c","year":1982,"days":3,"first":"1982-01-11","last":"1982-01-26","longest_streak":1},{"threshold":"tmin_ge_20c","year":1973,"days":4,"first":"1973-07-09","last":"1973-09-03","longest_streak":1},{"threshold":"tmin_ge_20c","year":1975,"days":2,"first":"1975-07-20","last":"1975-07-21","longest_streak":2},{"threshold":"tmin_ge_20c","year":1976,"days":1,"first":"1976-06-17","last":"1976-06-17","longest_streak":1},{"threshold":"tmin_ge_20c","year":1977,"days":2,"first":"1977-07-21","last":"1977-08-29","longest_streak":1},{"threshold":"tmin_ge_20c","year":1979,"days":3,"first":"1979-07-27","last":"1979-09-03","longest_streak":1},{"threshold":"tmin_ge_20c","year":1981,"days":1,"first":"1981-07-04","last":"1981-07-04","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1973,"days":45,"first":"1973-01-04","last":"1973-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1974,"days":41,"first":"1974-01-11","last":"1974-12-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1975,"days":42,"first":"1975-01-11","last":"1975-12-30","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1976,"days":49,"first":"1976-01-03","last":"1976-12-30","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1977,"days":46,"first":"1977-01-10","last":"1977-12-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1978,"days":42,"first":"1978-01-02","last":"1978-12-27","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1979,"days":51,"first":"1979-01-01","last":"1979-12-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1980,"days":38,"first":"1980-01-11","last":"1980-12-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1981,"days":46,"first":"1981-01-07","last":"1981-12-23","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1982,"days":36,"first":"1982-01-01","last":"1982-12-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1983,"days":48,"first":"1983-01-11","last":"1983-12-28","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1973,"days":16,"first":"1973-01-20","last":"1973-12-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1974,"days":9,"first":"1974-01-11","last":"1974-12-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1975,"days":6,"first":"1975-03-20","last":"1975-12-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1976,"days":16,"first":"1976-01-03","last":"1976-12-26","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1977,"days":10,"first":"1977-02-13","last":"1977-12-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1978,"days":9,"first":"1978-01-09","last":"1978-12-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1979,"days":15,"first":"1979-01-02","last":"1979-12-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1980,"days":6,"first":"1980-01-11","last":"1980-10-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1981,"days":13,"first":"1981-02-01","last":"1981-10-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1982,"days":7,"first":"1982-01-01","last":"1982-11-13","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1983,"days":6,"first":"1983-01-11","last":"1983-12-13","longest_streak":2},{"threshold":"prcp_ge_50mm","year":1973,"days":3,"first":"1973-04-28","last":"1973-07-29","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1974,"days":1,"first":"1974-06-17","last":"1974-06-17","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1976,"days":2,"first":"1976-01-27","last":"1976-07-12","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1979,"days":1,"first":"1979-09-06","last":"1979-09-06","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1981,"days":1,"first":"1981-09-19","last":"1981-09-19","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1983,"days":1,"first":"1983-05-30","last":"1983-05-30","longest_streak":1},{"threshold":"snow_ge_10cm","year":1973,"days":13,"first":"1973-01-04","last":"1973-04-10","longest_streak":2},{"threshold":"snow_ge_10cm","year":1974,"days":15,"first":"1974-01-11","last":"1974-11-26","longest_streak":2},{"threshold":"snow_ge_10cm","year":1975,"days":14,"first":"1975-01-18","last":"1975-12-30","longest_streak":2},{"threshold":"snow_ge_10cm","year":1976,"days":13,"first":"1976-01-03","last":"1976-12-30","longest_streak":2},{"threshold":"snow_ge_10cm","year":1977,"days":20,"first":"1977-01-10","last":"1977-12-28","longest_streak":2},{"threshold":"snow_ge_10cm","year":1978,"days":17,"first":"1978-01-02","last":"1978-12-27","longest_streak":3},{"threshold":"snow_ge_10cm","year":1979,"days":5,"first":"1979-01-07","last":"1979-02-26","longest_streak":1},{"threshold":"snow_ge_10cm","year":1980,"days":5,"first":"1980-02-16","last":"1980-12-30","longest_streak":1},{"threshold":"snow_ge_10cm","year":1981,"days":9,"first":"1981-01-07","last":"1981-12-23","longest_streak":1},{"threshold":"snow_ge_10cm","year":1982,"days":12,"first":"1982-01-01","last":"1982-12-24","longest_streak":2},{"threshold":"snow_ge_10cm","year":1983,"days":5,"first":"1983-01-16","last":"1983-11-21","longest_streak":1},{"threshold":"snow_ge_25cm","year":1973,"days":2,"first":"1973-01-29","last":"1973-02-08","longest_streak":1},{"threshold":"snow_ge_25cm","year":1974,"days":1,"first":"1974-01-11","last":"1974-01-11","longest_streak":1},{"threshold":"snow_ge_25cm","year":1975,"days":2,"first":"1975-04-03","last":"1975-12-26","longest_streak":1},{"threshold":"snow_ge_25cm","year":1976,"days":2,"first":"1976-01-03","last":"1976-12-17","longest_streak":1},{"threshold":"snow_ge_25cm","year":1977,"days":3,"first":"1977-02-13","last":"1977-12-09","longest_streak":1},{"threshold":"snow_ge_25cm","year":1978,"days":2,"first":"1978-01-18","last":"1978-12-25","longest_streak":1},{"threshold":"snow_ge_25cm","year":1981,"days":1,"first":"1981-03-17","last":"1981-03-17","longest_streak":1},{"threshold":"snow_ge_25cm","year":1982,"days":1,"first":"1982-01-01","last":"1982-01-01","longest_streak":1}]}