{"title":"Seattle: Days at or above 90 F, days by year","description":"Days by year for Days at or above 90 F 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-above-90f/","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_90f","year":1949,"days":1,"first":"1949-08-01","last":"1949-08-01","longest_streak":1},{"threshold":"tmax_ge_90f","year":1951,"days":4,"first":"1951-06-29","last":"1951-07-12","longest_streak":2},{"threshold":"tmax_ge_90f","year":1952,"days":1,"first":"1952-08-04","last":"1952-08-04","longest_streak":1},{"threshold":"tmax_ge_90f","year":1955,"days":1,"first":"1955-06-09","last":"1955-06-09","longest_streak":1},{"threshold":"tmax_ge_90f","year":1956,"days":1,"first":"1956-07-19","last":"1956-07-19","longest_streak":1},{"threshold":"tmax_ge_90f","year":1958,"days":9,"first":"1958-06-17","last":"1958-07-28","longest_streak":2},{"threshold":"tmax_ge_90f","year":1959,"days":2,"first":"1959-07-22","last":"1959-07-31","longest_streak":1},{"threshold":"tmax_ge_90f","year":1960,"days":5,"first":"1960-07-06","last":"1960-08-09","longest_streak":2},{"threshold":"tmax_ge_90f","year":1961,"days":5,"first":"1961-06-17","last":"1961-08-11","longest_streak":3},{"threshold":"tmax_ge_90f","year":1963,"days":2,"first":"1963-05-20","last":"1963-05-21","longest_streak":2},{"threshold":"tmax_ge_90f","year":1964,"days":1,"first":"1964-05-31","last":"1964-05-31","longest_streak":1},{"threshold":"tmax_ge_90f","year":1965,"days":6,"first":"1965-07-06","last":"1965-08-01","longest_streak":4},{"threshold":"tmax_ge_90f","year":1967,"days":6,"first":"1967-08-09","last":"1967-09-16","longest_streak":2},{"threshold":"tmax_ge_90f","year":1968,"days":3,"first":"1968-07-02","last":"1968-08-01","longest_streak":2},{"threshold":"tmax_ge_90f","year":1969,"days":2,"first":"1969-05-23","last":"1969-06-17","longest_streak":1},{"threshold":"tmax_ge_90f","year":1970,"days":3,"first":"1970-06-01","last":"1970-07-15","longest_streak":2},{"threshold":"tmax_ge_90f","year":1971,"days":6,"first":"1971-07-26","last":"1971-08-11","longest_streak":4},{"threshold":"tmax_ge_90f","year":1972,"days":6,"first":"1972-05-28","last":"1972-08-08","longest_streak":3},{"threshold":"tmax_ge_90f","year":1973,"days":1,"first":"1973-07-28","last":"1973-07-28","longest_streak":1},{"threshold":"tmax_ge_90f","year":1974,"days":3,"first":"1974-08-28","last":"1974-09-02","longest_streak":2},{"threshold":"tmax_ge_90f","year":1975,"days":1,"first":"1975-07-05","last":"1975-07-05","longest_streak":1},{"threshold":"tmax_ge_90f","year":1977,"days":6,"first":"1977-08-09","last":"1977-08-17","longest_streak":4},{"threshold":"tmax_ge_90f","year":1978,"days":4,"first":"1978-06-05","last":"1978-08-08","longest_streak":2},{"threshold":"tmax_ge_90f","year":1979,"days":5,"first":"1979-07-16","last":"1979-09-14","longest_streak":4},{"threshold":"tmax_ge_90f","year":1981,"days":6,"first":"1981-08-07","last":"1981-09-07","longest_streak":5},{"threshold":"tmax_ge_90f","year":1982,"days":2,"first":"1982-06-18","last":"1982-06-19","longest_streak":2},{"threshold":"tmax_ge_90f","year":1983,"days":1,"first":"1983-05-28","last":"1983-05-28","longest_streak":1},{"threshold":"tmax_ge_90f","year":1984,"days":1,"first":"1984-07-23","last":"1984-07-23","longest_streak":1},{"threshold":"tmax_ge_90f","year":1985,"days":3,"first":"1985-07-09","last":"1985-07-20","longest_streak":2},{"threshold":"tmax_ge_90f","year":1986,"days":4,"first":"1986-06-13","last":"1986-08-26","longest_streak":2},{"threshold":"tmax_ge_90f","year":1987,"days":3,"first":"1987-06-29","last":"1987-09-01","longest_streak":2},{"threshold":"tmax_ge_90f","year":1988,"days":8,"first":"1988-07-19","last":"1988-09-03","longest_streak":2},{"threshold":"tmax_ge_90f","year":1989,"days":2,"first":"1989-06-24","last":"1989-09-22","longest_streak":1},{"threshold":"tmax_ge_90f","year":1990,"days":7,"first":"1990-07-20","last":"1990-09-22","longest_streak":2},{"threshold":"tmax_ge_90f","year":1991,"days":1,"first":"1991-07-23","last":"1991-07-23","longest_streak":1},{"threshold":"tmax_ge_90f","year":1992,"days":6,"first":"1992-06-22","last":"1992-08-13","longest_streak":3},{"threshold":"tmax_ge_90f","year":1993,"days":1,"first":"1993-08-04","last":"1993-08-04","longest_streak":1},{"threshold":"tmax_ge_90f","year":1994,"days":3,"first":"1994-07-20","last":"1994-07-22","longest_streak":3},{"threshold":"tmax_ge_90f","year":1995,"days":5,"first":"1995-06-28","last":"1995-07-19","longest_streak":3},{"threshold":"tmax_ge_90f","year":1996,"days":3,"first":"1996-07-14","last":"1996-07-27","longest_streak":1},{"threshold":"tmax_ge_90f","year":1998,"days":4,"first":"1998-07-22","last":"1998-07-28","longest_streak":3},{"threshold":"tmax_ge_90f","year":2002,"days":2,"first":"2002-06-13","last":"2002-08-13","longest_streak":1},{"threshold":"tmax_ge_90f","year":2003,"days":4,"first":"2003-06-06","last":"2003-07-30","longest_streak":2},{"threshold":"tmax_ge_90f","year":2004,"days":3,"first":"2004-07-23","last":"2004-08-09","longest_streak":2},{"threshold":"tmax_ge_90f","year":2006,"days":5,"first":"2006-06-26","last":"2006-07-24","longest_streak":4},{"threshold":"tmax_ge_90f","year":2007,"days":1,"first":"2007-07-11","last":"2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