{"title":"Hope Slide: threshold days by year","description":"Days at or beyond each fixed threshold at Hope Slide, 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/CA001113581/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":1977,"days":5,"first":"1977-08-10","last":"1977-08-17","longest_streak":3},{"threshold":"tmax_ge_30c","year":1978,"days":2,"first":"1978-08-07","last":"1978-08-08","longest_streak":2},{"threshold":"tmax_ge_30c","year":1979,"days":1,"first":"1979-07-16","last":"1979-07-16","longest_streak":1},{"threshold":"tmax_ge_30c","year":1980,"days":1,"first":"1980-08-10","last":"1980-08-10","longest_streak":1},{"threshold":"tmax_ge_30c","year":1981,"days":7,"first":"1981-08-06","last":"1981-08-23","longest_streak":6},{"threshold":"tmax_ge_30c","year":1982,"days":7,"first":"1982-06-17","last":"1982-08-07","longest_streak":3},{"threshold":"tmax_ge_30c","year":1983,"days":1,"first":"1983-05-28","last":"1983-05-28","longest_streak":1},{"threshold":"tmax_ge_90f","year":1978,"days":1,"first":"1978-08-08","last":"1978-08-08","longest_streak":1},{"threshold":"tmax_ge_90f","year":1981,"days":4,"first":"1981-08-07","last":"1981-08-10","longest_streak":4},{"threshold":"tmax_ge_90f","year":1982,"days":2,"first":"1982-07-27","last":"1982-08-07","longest_streak":1},{"threshold":"tmax_ge_90f","year":1983,"days":1,"first":"1983-05-28","last":"1983-05-28","longest_streak":1},{"threshold":"tmax_le_0c","year":1977,"days":39,"first":"1977-01-01","last":"1977-12-31","longest_streak":11},{"threshold":"tmax_le_0c","year":1978,"days":41,"first":"1978-01-01","last":"1978-12-31","longest_streak":23},{"threshold":"tmax_le_0c","year":1979,"days":38,"first":"1979-01-01","last":"1979-12-15","longest_streak":11},{"threshold":"tmax_le_0c","year":1980,"days":32,"first":"1980-01-04","last":"1980-12-08","longest_streak":8},{"threshold":"tmax_le_0c","year":1981,"days":11,"first":"1981-02-09","last":"1981-12-31","longest_streak":12},{"threshold":"tmax_le_0c","year":1982,"days":27,"first":"1982-01-01","last":"1982-12-30","longest_streak":5},{"threshold":"tmax_le_0c","year":1983,"days":10,"first":"1983-01-01","last":"1983-12-28","longest_streak":4},{"threshold":"tmin_le_0c","year":1977,"days":173,"first":"1977-01-01","last":"1977-12-31","longest_streak":39},{"threshold":"tmin_le_0c","year":1978,"days":185,"first":"1978-01-01","last":"1978-12-31","longest_streak":180},{"threshold":"tmin_le_0c","year":1979,"days":191,"first":"1979-01-01","last":"1979-12-31","longest_streak":19},{"threshold":"tmin_le_0c","year":1980,"days":138,"first":"1980-01-03","last":"1980-12-24","longest_streak":31},{"threshold":"tmin_le_0c","year":1981,"days":125,"first":"1981-01-01","last":"1981-12-31","longest_streak":19},{"threshold":"tmin_le_0c","year":1982,"days":164,"first":"1982-01-01","last":"1982-12-31","longest_streak":50},{"threshold":"tmin_le_0c","year":1983,"days":132,"first":"1983-01-01","last":"1983-12-30","longest_streak":22},{"threshold":"tmin_le_m10c","year":1977,"days":28,"first":"1977-01-01","last":"1977-12-31","longest_streak":10},{"threshold":"tmin_le_m10c","year":1978,"days":35,"first":"1978-01-01","last":"1978-12-31","longest_streak":15},{"threshold":"tmin_le_m10c","year":1979,"days":39,"first":"1979-01-01","last":"1979-12-17","longest_streak":6},{"threshold":"tmin_le_m10c","year":1980,"days":24,"first":"1980-01-06","last":"1980-12-08","longest_streak":7},{"threshold":"tmin_le_m10c","year":1981,"days":9,"first":"1981-02-10","last":"1981-12-31","longest_streak":8},{"threshold":"tmin_le_m10c","year":1982,"days":22,"first":"1982-01-01","last":"1982-12-31","longest_streak":5},{"threshold":"tmin_le_m10c","year":1983,"days":12,"first":"1983-02-04","last":"1983-12-29","longest_streak":4},{"threshold":"tmin_le_m20c","year":1978,"days":7,"first":"1978-01-01","last":"1978-12-31","longest_streak":13},{"threshold":"tmin_le_m20c","year":1979,"days":14,"first":"1979-01-01","last":"1979-02-01","longest_streak":3},{"threshold":"tmin_le_m20c","year":1980,"days":4,"first":"1980-01-28","last":"1980-12-07","longest_streak":3},{"threshold":"tmin_le_m20c","year":1982,"days":2,"first":"1982-01-05","last":"1982-01-06","longest_streak":2},{"threshold":"tmin_le_m20c","year":1983,"days":1,"first":"1983-12-20","last":"1983-12-20","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1977,"days":39,"first":"1977-01-11","last":"1977-12-13","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1978,"days":25,"first":"1978-01-03","last":"1978-12-20","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1979,"days":28,"first":"1979-01-12","last":"1979-12-19","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1980,"days":40,"first":"1980-01-11","last":"1980-12-30","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1981,"days":33,"first":"1981-02-12","last":"1981-12-31","longest_streak":8},{"threshold":"prcp_ge_10mm","year":1982,"days":37,"first":"1982-01-10","last":"1982-12-15","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1983,"days":27,"first":"1983-01-02","last":"1983-12-12","longest_streak":4},{"threshold":"prcp_ge_25mm","year":1977,"days":8,"first":"1977-01-17","last":"1977-12-02","longest_streak":2},{"threshold":"prcp_ge_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