{"title":"Prospect Creek: threshold days by year","description":"Days at or beyond each fixed threshold at Prospect Creek, 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/USC00507778/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":2,"first":"1977-07-31","last":"1977-08-01","longest_streak":2},{"threshold":"tmax_le_0c","year":1975,"days":188,"first":"1975-01-01","last":"1975-12-31","longest_streak":136},{"threshold":"tmax_le_0c","year":1976,"days":166,"first":"1976-01-01","last":"1976-12-31","longest_streak":72},{"threshold":"tmax_le_0c","year":1977,"days":166,"first":"1977-01-01","last":"1977-12-31","longest_streak":138},{"threshold":"tmax_le_0c","year":1978,"days":185,"first":"1978-01-01","last":"1978-12-31","longest_streak":137},{"threshold":"tmax_le_0c","year":1979,"days":170,"first":"1979-01-01","last":"1979-12-31","longest_streak":40},{"threshold":"tmin_le_0c","year":1975,"days":228,"first":"1975-01-01","last":"1975-12-31","longest_streak":128},{"threshold":"tmin_le_0c","year":1976,"days":241,"first":"1976-01-01","last":"1976-12-31","longest_streak":124},{"threshold":"tmin_le_0c","year":1977,"days":226,"first":"1977-01-01","last":"1977-12-31","longest_streak":223},{"threshold":"tmin_le_0c","year":1978,"days":253,"first":"1978-01-01","last":"1978-12-31","longest_streak":213},{"threshold":"tmin_le_0c","year":1979,"days":247,"first":"1979-01-01","last":"1979-12-31","longest_streak":198},{"threshold":"tmin_le_m10c","year":1975,"days":179,"first":"1975-01-01","last":"1975-12-31","longest_streak":41},{"threshold":"tmin_le_m10c","year":1976,"days":160,"first":"1976-01-01","last":"1976-12-31","longest_streak":36},{"threshold":"tmin_le_m10c","year":1977,"days":157,"first":"1977-01-01","last":"1977-12-29","longest_streak":55},{"threshold":"tmin_le_m10c","year":1978,"days":173,"first":"1978-01-02","last":"1978-12-31","longest_streak":107},{"threshold":"tmin_le_m10c","year":1979,"days":161,"first":"1979-01-01","last":"1979-12-31","longest_streak":47},{"threshold":"tmin_le_m20c","year":1975,"days":118,"first":"1975-01-01","last":"1975-12-31","longest_streak":23},{"threshold":"tmin_le_m20c","year":1976,"days":104,"first":"1976-01-02","last":"1976-12-31","longest_streak":26},{"threshold":"tmin_le_m20c","year":1977,"days":97,"first":"1977-01-03","last":"1977-12-28","longest_streak":31},{"threshold":"tmin_le_m20c","year":1978,"days":96,"first":"1978-01-03","last":"1978-12-27","longest_streak":15},{"threshold":"tmin_le_m20c","year":1979,"days":105,"first":"1979-01-04","last":"1979-12-31","longest_streak":45},{"threshold":"tmin_le_m30c","year":1975,"days":61,"first":"1975-01-01","last":"1975-12-30","longest_streak":15},{"threshold":"tmin_le_m30c","year":1976,"days":39,"first":"1976-01-04","last":"1976-12-09","longest_streak":10},{"threshold":"tmin_le_m30c","year":1977,"days":47,"first":"1977-01-30","last":"1977-12-18","longest_streak":23},{"threshold":"tmin_le_m30c","year":1978,"days":24,"first":"1978-01-08","last":"1978-12-27","longest_streak":7},{"threshold":"tmin_le_m30c","year":1979,"days":64,"first":"1979-01-20","last":"1979-12-31","longest_streak":28},{"threshold":"tmin_le_m40c","year":1975,"days":25,"first":"1975-01-01","last":"1975-12-12","longest_streak":12},{"threshold":"tmin_le_m40c","year":1976,"days":11,"first":"1976-01-09","last":"1976-12-03","longest_streak":8},{"threshold":"tmin_le_m40c","year":1977,"days":10,"first":"1977-02-01","last":"1977-12-17","longest_streak":7},{"threshold":"tmin_le_m40c","year":1978,"days":7,"first":"1978-02-04","last":"1978-12-19","longest_streak":3},{"threshold":"tmin_le_m40c","year":1979,"days":22,"first":"1979-02-03","last":"1979-12-31","longest_streak":9},{"threshold":"prcp_ge_10mm","year":1974,"days":6,"first":"1974-02-16","last":"1974-08-13","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1975,"days":7,"first":"1975-06-12","last":"1975-09-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1976,"days":8,"first":"1976-02-05","last":"1976-09-29","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1977,"days":5,"first":"1977-05-31","last":"1977-09-28","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1978,"days":7,"first":"1978-06-22","last":"1978-10-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1979,"days":1,"first":"1979-10-07","last":"1979-10-07","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1974,"days":3,"first":"1974-02-16","last":"1974-06-14","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1977,"days":2,"first":"1977-07-24","last":"1977-08-06","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1977,"days":1,"first":"1977-07-24","last":"1977-07-24","longest_streak":1},{"threshold":"snow_ge_10cm","year":1975,"days":1,"first":"1975-01-26","last":"1975-01-26","longest_streak":1},{"threshold":"snow_ge_10cm","year":1976,"days":7,"first":"1976-02-05","last":"1976-11-30","longest_streak":2},{"threshold":"snow_ge_10cm","year":1977,"days":5,"first":"1977-10-17","last":"1977-12-23","longest_streak":2},{"threshold":"snow_ge_10cm","year":1978,"days":12,"first":"1978-01-24","last":"1978-12-05","longest_streak":2},{"threshold":"snow_ge_10cm","year":1979,"days":3,"first":"1979-04-24","last":"1979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