{"title":"Seattle: Days with min at or below -10 C, days by year","description":"Days by year for Days with min at or below -10 C in Seattle.","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/cities/seattle/days-below-minus-10c/","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":"tmin_le_m10c","year":1949,"days":2,"first":"1949-01-09","last":"1949-01-10","longest_streak":2},{"threshold":"tmin_le_m10c","year":1950,"days":16,"first":"1950-01-02","last":"1950-02-03","longest_streak":7},{"threshold":"tmin_le_m10c","year":1951,"days":1,"first":"1951-01-30","last":"1951-01-30","longest_streak":1},{"threshold":"tmin_le_m10c","year":1952,"days":1,"first":"1952-01-01","last":"1952-01-01","longest_streak":1},{"threshold":"tmin_le_m10c","year":1955,"days":6,"first":"1955-03-04","last":"1955-11-15","longest_streak":4},{"threshold":"tmin_le_m10c","year":1956,"days":2,"first":"1956-02-15","last":"1956-02-16","longest_streak":2},{"threshold":"tmin_le_m10c","year":1957,"days":2,"first":"1957-01-26","last":"1957-01-27","longest_streak":2},{"threshold":"tmin_le_m10c","year":1959,"days":1,"first":"1959-01-03","last":"1959-01-03","longest_streak":1},{"threshold":"tmin_le_m10c","year":1962,"days":1,"first":"1962-01-21","last":"1962-01-21","longest_streak":1},{"threshold":"tmin_le_m10c","year":1963,"days":2,"first":"1963-01-11","last":"1963-01-12","longest_streak":2},{"threshold":"tmin_le_m10c","year":1964,"days":2,"first":"1964-12-16","last":"1964-12-17","longest_streak":2},{"threshold":"tmin_le_m10c","year":1968,"days":4,"first":"1968-12-28","last":"1968-12-31","longest_streak":4},{"threshold":"tmin_le_m10c","year":1972,"days":3,"first":"1972-01-27","last":"1972-12-08","longest_streak":2},{"threshold":"tmin_le_m10c","year":1978,"days":2,"first":"1978-12-30","last":"1978-12-31","longest_streak":2},{"threshold":"tmin_le_m10c","year":1982,"days":1,"first":"1982-01-06","last":"1982-01-06","longest_streak":1},{"threshold":"tmin_le_m10c","year":1983,"days":2,"first":"1983-12-22","last":"1983-12-23","longest_streak":2},{"threshold":"tmin_le_m10c","year":1985,"days":2,"first":"1985-11-22","last":"1985-11-23","longest_streak":2},{"threshold":"tmin_le_m10c","year":1989,"days":4,"first":"1989-02-02","last":"1989-02-05","longest_streak":4},{"threshold":"tmin_le_m10c","year":1990,"days":4,"first":"1990-12-20","last":"1990-12-29","longest_streak":2},{"threshold":"tmin_le_m10c","year":2008,"days":1,"first":"2008-12-20","last":"2008-12-20","longest_streak":1},{"threshold":"tmin_le_m10c","year":2010,"days":1,"first":"2010-11-24","last":"2010-11-24","longest_streak":1}]}