{"title":"Holdfast: threshold days by year","description":"Days at or beyond each fixed threshold at Holdfast, 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/CA004013270/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":1962,"days":6,"first":"1962-06-26","last":"1962-08-21","longest_streak":1},{"threshold":"tmax_ge_30c","year":1963,"days":6,"first":"1963-07-05","last":"1963-08-07","longest_streak":3},{"threshold":"tmax_ge_30c","year":1965,"days":9,"first":"1965-06-10","last":"1965-08-12","longest_streak":4},{"threshold":"tmax_ge_90f","year":1962,"days":3,"first":"1962-08-01","last":"1962-08-17","longest_streak":1},{"threshold":"tmax_ge_90f","year":1963,"days":2,"first":"1963-07-22","last":"1963-08-07","longest_streak":1},{"threshold":"tmax_ge_90f","year":1965,"days":4,"first":"1965-07-28","last":"1965-08-12","longest_streak":3},{"threshold":"tmax_le_0c","year":1962,"days":95,"first":"1962-01-03","last":"1962-12-31","longest_streak":42},{"threshold":"tmax_le_0c","year":1963,"days":88,"first":"1963-01-02","last":"1963-12-29","longest_streak":23},{"threshold":"tmax_le_0c","year":1965,"days":127,"first":"1965-01-01","last":"1965-12-31","longest_streak":80},{"threshold":"tmin_le_0c","year":1962,"days":184,"first":"1962-01-01","last":"1962-12-31","longest_streak":21},{"threshold":"tmin_le_0c","year":1963,"days":177,"first":"1963-01-01","last":"1963-12-31","longest_streak":69},{"threshold":"tmin_le_m10c","year":1962,"days":93,"first":"1962-01-03","last":"1962-12-31","longest_streak":31},{"threshold":"tmin_le_m10c","year":1963,"days":94,"first":"1963-01-01","last":"1963-12-30","longest_streak":26},{"threshold":"tmin_le_m20c","year":1962,"days":52,"first":"1962-01-04","last":"1962-12-30","longest_streak":15},{"threshold":"tmin_le_m20c","year":1963,"days":52,"first":"1963-01-01","last":"1963-12-29","longest_streak":19},{"threshold":"tmin_le_m30c","year":1962,"days":23,"first":"1962-01-09","last":"1962-12-29","longest_streak":7},{"threshold":"tmin_le_m30c","year":1963,"days":16,"first":"1963-01-14","last":"1963-12-15","longest_streak":6},{"threshold":"tmin_le_m40c","year":1962,"days":1,"first":"1962-02-27","last":"1962-02-27","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1962,"days":11,"first":"1962-01-03","last":"1962-10-05","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1962,"days":1,"first":"1962-06-12","last":"1962-06-12","longest_streak":1},{"threshold":"snow_ge_10cm","year":1962,"days":1,"first":"1962-01-03","last":"1962-01-03","longest_streak":1}]}