{"title":"Amchitka: threshold days by year","description":"Days at or beyond each fixed threshold at Amchitka, 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/USC00500252/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":"tmax_le_0c","year":1943,"days":23,"first":"1943-02-17","last":"1943-12-30","longest_streak":8},{"threshold":"tmax_le_0c","year":1944,"days":38,"first":"1944-01-06","last":"1944-12-30","longest_streak":9},{"threshold":"tmax_le_0c","year":1945,"days":15,"first":"1945-01-10","last":"1945-12-28","longest_streak":4},{"threshold":"tmax_le_0c","year":1946,"days":22,"first":"1946-01-02","last":"1946-12-18","longest_streak":3},{"threshold":"tmax_le_0c","year":1947,"days":21,"first":"1947-02-03","last":"1947-12-31","longest_streak":6},{"threshold":"tmax_le_0c","year":1948,"days":10,"first":"1948-02-23","last":"1948-12-29","longest_streak":5},{"threshold":"tmax_le_0c","year":1949,"days":19,"first":"1949-01-02","last":"1949-12-06","longest_streak":4},{"threshold":"tmax_le_0c","year":1990,"days":15,"first":"1990-01-10","last":"1990-02-23","longest_streak":4},{"threshold":"tmin_le_0c","year":1943,"days":109,"first":"1943-02-01","last":"1943-12-31","longest_streak":66},{"threshold":"tmin_le_0c","year":1944,"days":140,"first":"1944-01-01","last":"1944-12-31","longest_streak":17},{"threshold":"tmin_le_0c","year":1945,"days":135,"first":"1945-01-01","last":"1945-12-31","longest_streak":42},{"threshold":"tmin_le_0c","year":1946,"days":124,"first":"1946-01-01","last":"1946-12-31","longest_streak":15},{"threshold":"tmin_le_0c","year":1947,"days":92,"first":"1947-02-02","last":"1947-12-31","longest_streak":37},{"threshold":"tmin_le_0c","year":1948,"days":64,"first":"1948-02-01","last":"1948-12-31","longest_streak":17},{"threshold":"tmin_le_0c","year":1949,"days":124,"first":"1949-01-01","last":"1949-12-28","longest_streak":19},{"threshold":"tmin_le_0c","year":1990,"days":99,"first":"1990-01-02","last":"1990-12-17","longest_streak":26},{"threshold":"prcp_ge_10mm","year":1944,"days":23,"first":"1944-02-26","last":"1944-12-27","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1945,"days":19,"first":"1945-02-01","last":"1945-12-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1946,"days":20,"first":"1946-02-24","last":"1946-12-20","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1947,"days":34,"first":"1947-02-01","last":"1947-12-30","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1948,"days":30,"first":"1948-02-02","last":"1948-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1949,"days":44,"first":"1949-01-05","last":"1949-12-27","longest_streak":5},{"threshold":"prcp_ge_10mm","year":1990,"days":16,"first":"1990-01-25","last":"1990-12-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1944,"days":2,"first":"1944-10-07","last":"1944-11-07","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1945,"days":1,"first":"1945-08-16","last":"1945-08-16","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1946,"days":7,"first":"1946-04-15","last":"1946-12-15","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1947,"days":5,"first":"1947-08-09","last":"1947-12-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1948,"days":3,"first":"1948-04-26","last":"1948-09-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1949,"days":3,"first":"1949-05-26","last":"1949-09-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1990,"days":2,"first":"1990-07-17","last":"1990-12-25","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1946,"days":1,"first":"1946-04-15","last":"1946-04-15","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1990,"days":1,"first":"1990-07-17","last":"1990-07-17","longest_streak":1}]}