{"title":"Seattle: Ice days (max at or below 0 C), days by year","description":"Days by year for Ice days (max at or below 0 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/ice-days/","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":1949,"days":9,"first":"1949-01-08","last":"1949-12-19","longest_streak":3},{"threshold":"tmax_le_0c","year":1950,"days":20,"first":"1950-01-01","last":"1950-02-02","longest_streak":7},{"threshold":"tmax_le_0c","year":1951,"days":4,"first":"1951-01-28","last":"1951-12-31","longest_streak":2},{"threshold":"tmax_le_0c","year":1952,"days":2,"first":"1952-01-01","last":"1952-01-03","longest_streak":1},{"threshold":"tmax_le_0c","year":1954,"days":4,"first":"1954-01-16","last":"1954-01-20","longest_streak":3},{"threshold":"tmax_le_0c","year":1955,"days":7,"first":"1955-03-04","last":"1955-11-17","longest_streak":6},{"threshold":"tmax_le_0c","year":1956,"days":4,"first":"1956-02-15","last":"1956-12-06","longest_streak":2},{"threshold":"tmax_le_0c","year":1957,"days":4,"first":"1957-01-24","last":"1957-01-27","longest_streak":4},{"threshold":"tmax_le_0c","year":1959,"days":2,"first":"1959-01-03","last":"1959-01-04","longest_streak":2},{"threshold":"tmax_le_0c","year":1961,"days":1,"first":"1961-12-11","last":"1961-12-11","longest_streak":1},{"threshold":"tmax_le_0c","year":1962,"days":2,"first":"1962-01-19","last":"1962-01-20","longest_streak":2},{"threshold":"tmax_le_0c","year":1963,"days":5,"first":"1963-01-10","last":"1963-01-30","longest_streak":4},{"threshold":"tmax_le_0c","year":1964,"days":3,"first":"1964-12-16","last":"1964-12-18","longest_streak":3},{"threshold":"tmax_le_0c","year":1968,"days":3,"first":"1968-12-28","last":"1968-12-30","longest_streak":3},{"threshold":"tmax_le_0c","year":1969,"days":10,"first":"1969-01-21","last":"1969-01-30","longest_streak":10},{"threshold":"tmax_le_0c","year":1971,"days":3,"first":"1971-01-03","last":"1971-12-28","longest_streak":1},{"threshold":"tmax_le_0c","year":1972,"days":13,"first":"1972-01-25","last":"1972-12-12","longest_streak":9},{"threshold":"tmax_le_0c","year":1973,"days":3,"first":"1973-01-05","last":"1973-01-07","longest_streak":3},{"threshold":"tmax_le_0c","year":1974,"days":1,"first":"1974-01-09","last":"1974-01-09","longest_streak":1},{"threshold":"tmax_le_0c","year":1975,"days":1,"first":"1975-01-11","last":"1975-01-11","longest_streak":1},{"threshold":"tmax_le_0c","year":1978,"days":4,"first":"1978-12-28","last":"1978-12-31","longest_streak":5},{"threshold":"tmax_le_0c","year":1979,"days":1,"first":"1979-01-01","last":"1979-01-01","longest_streak":0},{"threshold":"tmax_le_0c","year":1980,"days":5,"first":"1980-01-07","last":"1980-01-29","longest_streak":3},{"threshold":"tmax_le_0c","year":1982,"days":2,"first":"1982-01-05","last":"1982-01-06","longest_streak":2},{"threshold":"tmax_le_0c","year":1983,"days":5,"first":"1983-12-20","last":"1983-12-24","longest_streak":5},{"threshold":"tmax_le_0c","year":1984,"days":2,"first":"1984-12-18","last":"1984-12-31","longest_streak":1},{"threshold":"tmax_le_0c","year":1985,"days":10,"first":"1985-02-04","last":"1985-12-27","longest_streak":4},{"threshold":"tmax_le_0c","year":1989,"days":4,"first":"1989-02-01","last":"1989-02-04","longest_streak":4},{"threshold":"tmax_le_0c","year":1990,"days":8,"first":"1990-02-17","last":"1990-12-29","longest_streak":6},{"threshold":"tmax_le_0c","year":1992,"days":1,"first":"1992-12-31","last":"1992-12-31","longest_streak":1},{"threshold":"tmax_le_0c","year":1996,"days":3,"first":"1996-01-29","last":"1996-12-26","longest_streak":2},{"threshold":"tmax_le_0c","year":1998,"days":6,"first":"1998-01-10","last":"1998-12-23","longest_streak":4},{"threshold":"tmax_le_0c","year":2004,"days":3,"first":"2004-01-04","last":"2004-01-06","longest_streak":3},{"threshold":"tmax_le_0c","year":2006,"days":1,"first":"2006-11-28","last":"2006-11-28","longest_streak":1},{"threshold":"tmax_le_0c","year":2007,"days":3,"first":"2007-01-11","last":"2007-01-13","longest_streak":3},{"threshold":"tmax_le_0c","year":2008,"days":6,"first":"2008-12-14","last":"2008-12-21","longest_streak":3},{"threshold":"tmax_le_0c","year":2009,"days":3,"first":"2009-12-07","last":"2009-12-09","longest_streak":3},{"threshold":"tmax_le_0c","year":2010,"days":3,"first":"2010-11-22","last":"2010-11-24","longest_streak":3},{"threshold":"tmax_le_0c","year":2011,"days":1,"first":"2011-02-25","last":"2011-02-25","longest_streak":1},{"threshold":"tmax_le_0c","year":2012,"days":2,"first":"2012-01-18","last":"2012-01-19","longest_streak":2},{"threshold":"tmax_le_0c","year":2013,"days":1,"first":"2013-12-07","last":"2013-12-07","longest_streak":1},{"threshold":"tmax_le_0c","year":2014,"days":2,"first":"2014-02-05","last":"2014-02-06","longest_streak":2},{"threshold":"tmax_le_0c","year":2019,"days":1,"first":"2019-02-04","last":"2019-02-04","longest_streak":1},{"threshold":"tmax_le_0c","year":2021,"days":6,"first":"2021-02-13","last":"2021-12-31","longest_streak":4},{"threshold":"tmax_le_0c","year":2022,"days":2,"first":"2022-12-21","last":"2022-12-22","longest_streak":2},{"threshold":"tmax_le_0c","year":2024,"days":3,"first":"2024-01-12","last":"2024-01-14","longest_streak":3}]}