{"title":"Sylvan Lake: threshold days by year","description":"Days at or beyond each fixed threshold at Sylvan Lake, 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/CA003026330/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":"prcp_ge_10mm","year":1963,"days":19,"first":"1963-01-12","last":"1963-11-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1964,"days":13,"first":"1964-04-04","last":"1964-12-22","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1965,"days":17,"first":"1965-01-21","last":"1965-08-24","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1966,"days":13,"first":"1966-02-16","last":"1966-10-01","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1967,"days":6,"first":"1967-07-08","last":"1967-12-26","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1968,"days":14,"first":"1968-01-09","last":"1968-10-06","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1969,"days":12,"first":"1969-05-03","last":"1969-11-14","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1970,"days":13,"first":"1970-03-25","last":"1970-11-29","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1971,"days":15,"first":"1971-01-07","last":"1971-09-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1972,"days":15,"first":"1972-02-27","last":"1972-11-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1973,"days":14,"first":"1973-03-10","last":"1973-12-11","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1974,"days":14,"first":"1974-03-16","last":"1974-10-03","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1975,"days":8,"first":"1975-05-04","last":"1975-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1976,"days":14,"first":"1976-01-04","last":"1976-12-17","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1977,"days":17,"first":"1977-01-26","last":"1977-09-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1978,"days":15,"first":"1978-01-24","last":"1978-10-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1979,"days":7,"first":"1979-04-16","last":"1979-12-09","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1980,"days":18,"first":"1980-05-23","last":"1980-10-12","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1981,"days":14,"first":"1981-05-05","last":"1981-10-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1982,"days":22,"first":"1982-01-08","last":"1982-11-18","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1983,"days":16,"first":"1983-02-26","last":"1983-12-25","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1963,"days":4,"first":"1963-06-21","last":"1963-07-24","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1964,"days":3,"first":"1964-05-05","last":"1964-09-24","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1965,"days":5,"first":"1965-02-26","last":"1965-07-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1966,"days":2,"first":"1966-07-02","last":"1966-07-24","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1967,"days":1,"first":"1967-07-20","last":"1967-07-20","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1968,"days":2,"first":"1968-07-19","last":"1968-08-05","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1969,"days":4,"first":"1969-05-03","last":"1969-09-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1970,"days":6,"first":"1970-03-25","last":"1970-10-04","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1972,"days":2,"first":"1972-06-23","last":"1972-11-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1973,"days":4,"first":"1973-06-14","last":"1973-08-06","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1974,"days":1,"first":"1974-06-25","last":"1974-06-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1975,"days":2,"first":"1975-05-04","last":"1975-12-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1976,"days":2,"first":"1976-03-10","last":"1976-08-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1977,"days":4,"first":"1977-05-04","last":"1977-07-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1978,"days":4,"first":"1978-05-24","last":"1978-09-07","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1980,"days":4,"first":"1980-05-23","last":"1980-07-10","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1981,"days":4,"first":"1981-05-05","last":"1981-09-01","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1982,"days":2,"first":"1982-07-01","last":"1982-07-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1983,"days":1,"first":"1983-06-30","last":"1983-06-30","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1966,"days":1,"first":"1966-07-02","last":"1966-07-02","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1968,"days":1,"first":"1968-07-19","last":"1968-07-19","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1978,"days":1,"first":"1978-08-16","last":"1978-08-16","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1981,"days":1,"first":"1981-07-14","last":"1981-07-14","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1983,"days":1,"first":"1983-06-30","last":"1983-06-30","longest_streak":1},{"threshold":"s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