{"title":"Wortman's: threshold days by year","description":"Days at or beyond each fixed threshold at Wortman's, 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/USC00509911/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_le_0c","year":1975,"days":128,"first":"1975-01-01","last":"1975-12-31","longest_streak":41},{"threshold":"tmax_le_0c","year":1976,"days":99,"first":"1976-01-01","last":"1976-12-31","longest_streak":25},{"threshold":"tmax_le_0c","year":1977,"days":100,"first":"1977-01-01","last":"1977-12-31","longest_streak":52},{"threshold":"tmax_le_0c","year":1978,"days":85,"first":"1978-01-01","last":"1978-12-31","longest_streak":36},{"threshold":"tmin_le_0c","year":1975,"days":218,"first":"1975-01-01","last":"1975-12-31","longest_streak":166},{"threshold":"tmin_le_0c","year":1976,"days":215,"first":"1976-01-01","last":"1976-12-31","longest_streak":68},{"threshold":"tmin_le_0c","year":1977,"days":213,"first":"1977-01-01","last":"1977-12-31","longest_streak":133},{"threshold":"tmin_le_0c","year":1978,"days":207,"first":"1978-01-01","last":"1978-12-31","longest_streak":185},{"threshold":"tmin_le_m10c","year":1975,"days":103,"first":"1975-01-01","last":"1975-12-31","longest_streak":20},{"threshold":"tmin_le_m10c","year":1976,"days":70,"first":"1976-01-02","last":"1976-12-27","longest_streak":23},{"threshold":"tmin_le_m10c","year":1977,"days":82,"first":"1977-01-01","last":"1977-12-31","longest_streak":45},{"threshold":"tmin_le_m10c","year":1978,"days":70,"first":"1978-01-01","last":"1978-12-31","longest_streak":11},{"threshold":"tmin_le_m20c","year":1975,"days":26,"first":"1975-01-03","last":"1975-12-13","longest_streak":10},{"threshold":"tmin_le_m20c","year":1976,"days":20,"first":"1976-01-06","last":"1976-03-10","longest_streak":9},{"threshold":"tmin_le_m20c","year":1977,"days":11,"first":"1977-11-17","last":"1977-12-19","longest_streak":4},{"threshold":"tmin_le_m20c","year":1978,"days":9,"first":"1978-01-04","last":"1978-12-26","longest_streak":5},{"threshold":"tmin_le_m30c","year":1975,"days":2,"first":"1975-01-04","last":"1975-01-05","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1977,"days":32,"first":"1977-01-04","last":"1977-12-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1978,"days":31,"first":"1978-01-09","last":"1978-12-18","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1977,"days":7,"first":"1977-02-01","last":"1977-09-21","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1978,"days":6,"first":"1978-01-09","last":"1978-10-30","longest_streak":2},{"threshold":"snow_ge_10cm","year":1975,"days":17,"first":"1975-01-15","last":"1975-12-27","longest_streak":3},{"threshold":"snow_ge_10cm","year":1976,"days":28,"first":"1976-01-17","last":"1976-12-30","longest_streak":5},{"threshold":"snow_ge_10cm","year":1977,"days":14,"first":"1977-01-16","last":"1977-12-26","longest_streak":2},{"threshold":"snow_ge_10cm","year":1978,"days":14,"first":"1978-01-08","last":"1978-12-24","longest_streak":2},{"threshold":"snow_ge_25cm","year":1975,"days":2,"first":"1975-01-15","last":"1975-02-22","longest_streak":1},{"threshold":"snow_ge_25cm","year":1976,"days":2,"first":"1976-12-10","last":"1976-12-20","longest_streak":1},{"threshold":"snow_ge_25cm","year":1977,"days":2,"first":"1977-02-18","last":"1977-03-04","longest_streak":1},{"threshold":"snow_ge_25cm","year":1978,"days":6,"first":"1978-01-09","last":"1978-12-17","longest_streak":2},{"threshold":"snow_ge_50cm","year":1977,"days":1,"first":"1977-02-18","last":"1977-02-18","longest_streak":1},{"threshold":"snow_ge_50cm","year":1978,"days":1,"first":"1978-02-05","last":"1978-02-05","longest_streak":1}]}