{"title":"Seattle: Days with 10 cm or more snowfall, days by year","description":"Days by year for Days with 10 cm or more snowfall 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-over-10cm-snow/","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":"snow_ge_10cm","year":1949,"days":1,"first":"1949-02-19","last":"1949-02-19","longest_streak":1},{"threshold":"snow_ge_10cm","year":1950,"days":4,"first":"1950-01-01","last":"1950-01-26","longest_streak":2},{"threshold":"snow_ge_10cm","year":1951,"days":1,"first":"1951-03-08","last":"1951-03-08","longest_streak":1},{"threshold":"snow_ge_10cm","year":1954,"days":1,"first":"1954-01-17","last":"1954-01-17","longest_streak":1},{"threshold":"snow_ge_10cm","year":1955,"days":3,"first":"1955-03-03","last":"1955-12-18","longest_streak":1},{"threshold":"snow_ge_10cm","year":1956,"days":1,"first":"1956-02-14","last":"1956-02-14","longest_streak":1},{"threshold":"snow_ge_10cm","year":1959,"days":1,"first":"1959-02-10","last":"1959-02-10","longest_streak":1},{"threshold":"snow_ge_10cm","year":1960,"days":2,"first":"1960-03-03","last":"1960-11-20","longest_streak":1},{"threshold":"snow_ge_10cm","year":1962,"days":1,"first":"1962-02-28","last":"1962-02-28","longest_streak":1},{"threshold":"snow_ge_10cm","year":1965,"days":1,"first":"1965-12-23","last":"1965-12-23","longest_streak":1},{"threshold":"snow_ge_10cm","year":1967,"days":1,"first":"1967-01-04","last":"1967-01-04","longest_streak":1},{"threshold":"snow_ge_10cm","year":1968,"days":2,"first":"1968-12-18","last":"1968-12-31","longest_streak":1},{"threshold":"snow_ge_10cm","year":1969,"days":2,"first":"1969-01-27","last":"1969-01-29","longest_streak":1},{"threshold":"snow_ge_10cm","year":1972,"days":2,"first":"1972-01-25","last":"1972-12-11","longest_streak":1},{"threshold":"snow_ge_10cm","year":1974,"days":1,"first":"1974-12-26","last":"1974-12-26","longest_streak":1},{"threshold":"snow_ge_10cm","year":1980,"days":1,"first":"1980-01-08","last":"1980-01-08","longest_streak":1},{"threshold":"snow_ge_10cm","year":1985,"days":2,"first":"1985-11-21","last":"1985-11-27","longest_streak":1},{"threshold":"snow_ge_10cm","year":1989,"days":2,"first":"1989-02-01","last":"1989-03-01","longest_streak":1},{"threshold":"snow_ge_10cm","year":1990,"days":1,"first":"1990-02-17","last":"1990-02-17","longest_streak":1},{"threshold":"snow_ge_10cm","year":2012,"days":1,"first":"2012-01-18","last":"2012-01-18","longest_streak":1},{"threshold":"snow_ge_10cm","year":2017,"days":1,"first":"2017-02-06","last":"2017-02-06","longest_streak":1},{"threshold":"snow_ge_10cm","year":2019,"days":2,"first":"2019-02-08","last":"2019-02-11","longest_streak":1},{"threshold":"snow_ge_10cm","year":2021,"days":1,"first":"2021-02-13","last":"2021-02-13","longest_streak":1}]}