{"title":"Atwater: threshold days by year","description":"Days at or beyond each fixed threshold at Atwater, 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/CA004010310/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":1978,"days":9,"first":"1978-06-05","last":"1978-09-03","longest_streak":2},{"threshold":"tmax_ge_30c","year":1979,"days":19,"first":"1979-06-12","last":"1979-09-16","longest_streak":5},{"threshold":"tmax_ge_30c","year":1980,"days":19,"first":"1980-04-20","last":"1980-09-07","longest_streak":7},{"threshold":"tmax_ge_30c","year":1981,"days":18,"first":"1981-06-30","last":"1981-09-09","longest_streak":4},{"threshold":"tmax_ge_30c","year":1982,"days":10,"first":"1982-07-02","last":"1982-09-10","longest_streak":3},{"threshold":"tmax_ge_30c","year":1983,"days":25,"first":"1983-06-11","last":"1983-09-26","longest_streak":6},{"threshold":"tmax_ge_35c","year":1978,"days":1,"first":"1978-09-03","last":"1978-09-03","longest_streak":1},{"threshold":"tmax_ge_35c","year":1979,"days":3,"first":"1979-06-13","last":"1979-07-20","longest_streak":1},{"threshold":"tmax_ge_35c","year":1980,"days":2,"first":"1980-05-21","last":"1980-05-22","longest_streak":2},{"threshold":"tmax_ge_35c","year":1981,"days":1,"first":"1981-07-06","last":"1981-07-06","longest_streak":1},{"threshold":"tmax_ge_35c","year":1983,"days":3,"first":"1983-08-03","last":"1983-08-31","longest_streak":1},{"threshold":"tmax_ge_90f","year":1978,"days":2,"first":"1978-08-11","last":"1978-09-03","longest_streak":1},{"threshold":"tmax_ge_90f","year":1979,"days":6,"first":"1979-06-13","last":"1979-09-16","longest_streak":1},{"threshold":"tmax_ge_90f","year":1980,"days":4,"first":"1980-05-21","last":"1980-06-10","longest_streak":3},{"threshold":"tmax_ge_90f","year":1981,"days":8,"first":"1981-07-04","last":"1981-09-09","longest_streak":4},{"threshold":"tmax_ge_90f","year":1982,"days":1,"first":"1982-09-10","last":"1982-09-10","longest_streak":1},{"threshold":"tmax_ge_90f","year":1983,"days":10,"first":"1983-06-11","last":"1983-09-01","longest_streak":3},{"threshold":"tmax_ge_100f","year":1980,"days":1,"first":"1980-05-22","last":"1980-05-22","longest_streak":1},{"threshold":"tmax_ge_100f","year":1981,"days":1,"first":"1981-07-06","last":"1981-07-06","longest_streak":1},{"threshold":"tmax_le_0c","year":1978,"days":131,"first":"1978-01-01","last":"1978-12-31","longest_streak":116},{"threshold":"tmax_le_0c","year":1979,"days":138,"first":"1979-01-01","last":"1979-12-31","longest_streak":21},{"threshold":"tmax_le_0c","year":1980,"days":116,"first":"1980-01-01","last":"1980-12-31","longest_streak":55},{"threshold":"tmax_le_0c","year":1981,"days":96,"first":"1981-01-01","last":"1981-12-31","longest_streak":24},{"threshold":"tmax_le_0c","year":1982,"days":128,"first":"1982-01-01","last":"1982-12-31","longest_streak":24},{"threshold":"tmax_le_0c","year":1983,"days":136,"first":"1983-01-01","last":"1983-12-31","longest_streak":42},{"threshold":"tmin_le_0c","year":1978,"days":185,"first":"1978-01-01","last":"1978-12-31","longest_streak":160},{"threshold":"tmin_le_0c","year":1979,"days":205,"first":"1979-01-01","last":"1979-12-31","longest_streak":147},{"threshold":"tmin_le_0c","year":1980,"days":197,"first":"1980-01-01","last":"1980-12-31","longest_streak":108},{"threshold":"tmin_le_0c","year":1981,"days":190,"first":"1981-01-01","last":"1981-12-31","longest_streak":107},{"threshold":"tmin_le_0c","year":1982,"days":202,"first":"1982-01-01","last":"1982-12-31","longest_streak":109},{"threshold":"tmin_le_0c","year":1983,"days":211,"first":"1983-01-01","last":"1983-12-31","longest_streak":57},{"threshold":"tmin_le_m10c","year":1978,"days":124,"first":"1978-01-01","last":"1978-12-31","longest_streak":112},{"threshold":"tmin_le_m10c","year":1979,"days":130,"first":"1979-01-01","last":"1979-12-31","longest_streak":41},{"threshold":"tmin_le_m10c","year":1980,"days":112,"first":"1980-01-01","last":"1980-12-29","longest_streak":46},{"threshold":"tmin_le_m10c","year":1981,"days":76,"first":"1981-01-01","last":"1981-12-31","longest_streak":67},{"threshold":"tmin_le_m10c","year":1982,"days":123,"first":"1982-01-01","last":"1982-12-31","longest_streak":13},{"threshold":"tmin_le_m10c","year":1983,"days":114,"first":"1983-01-01","last":"1983-12-31","longest_streak":40},{"threshold":"tmin_le_m20c","year":1978,"days":82,"first":"1978-01-01","last":"1978-12-31","longest_streak":26},{"threshold":"tmin_le_m20c","year":1979,"days":77,"first":"1979-01-01","last":"1979-12-17","longest_streak":28},{"threshold":"tmin_le_m20c","year":1980,"days":63,"first":"1980-01-02","last":"1980-12-26","longest_streak":9},{"threshold":"tmin_le_m20c","year":1981,"days":32,"first":"1981-01-02","last":"1981-12-31","longest_streak":42},{"threshold":"tmin_le_m20c","year":1982,"days":66,"first":"1982-01-01","last":"1982-12-30","longest_streak":7},{"threshold":"tmin_le_m20c","year":1983,"days":56,"first":"1983-01-11","last":"1983-12-31","longest_streak":12},{"threshold":"tmin_le_m30c","year":1978,"days":18,"first":"1978-01-08","last":"1978-12-31","longest_streak":4},{"threshold":"tmin_le_m30c","year":1979,"days":28,"first":"1979-01-01","last":"1979-12-16","longest_streak":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