{"title":"Mott Is Isle Royale: threshold days by year","description":"Days at or beyond each fixed threshold at Mott Is Isle Royale, 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/USC00205637/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_ge_30c","year":1941,"days":1,"first":"1941-06-26","last":"1941-06-26","longest_streak":1},{"threshold":"tmax_le_0c","year":1941,"days":86,"first":"1941-01-04","last":"1941-12-31","longest_streak":26},{"threshold":"tmax_le_0c","year":1942,"days":81,"first":"1942-01-01","last":"1942-12-31","longest_streak":36},{"threshold":"tmax_le_0c","year":1943,"days":85,"first":"1943-01-01","last":"1943-12-16","longest_streak":14},{"threshold":"tmin_le_0c","year":1941,"days":183,"first":"1941-01-01","last":"1941-12-31","longest_streak":23},{"threshold":"tmin_le_0c","year":1942,"days":174,"first":"1942-01-01","last":"1942-12-31","longest_streak":66},{"threshold":"tmin_le_0c","year":1943,"days":172,"first":"1943-01-01","last":"1943-12-16","longest_streak":42},{"threshold":"tmin_le_m10c","year":1941,"days":73,"first":"1941-01-04","last":"1941-12-31","longest_streak":17},{"threshold":"tmin_le_m10c","year":1942,"days":65,"first":"1942-01-01","last":"1942-12-31","longest_streak":10},{"threshold":"tmin_le_m10c","year":1943,"days":79,"first":"1943-01-01","last":"1943-12-16","longest_streak":17},{"threshold":"tmin_le_m20c","year":1941,"days":8,"first":"1941-01-25","last":"1941-03-19","longest_streak":2},{"threshold":"tmin_le_m20c","year":1942,"days":12,"first":"1942-01-02","last":"1942-12-20","longest_streak":7},{"threshold":"tmin_le_m20c","year":1943,"days":28,"first":"1943-01-07","last":"1943-12-14","longest_streak":5},{"threshold":"tmin_le_m30c","year":1942,"days":1,"first":"1942-01-07","last":"1942-01-07","longest_streak":1},{"threshold":"tmin_le_m30c","year":1943,"days":3,"first":"1943-01-20","last":"1943-03-03","longest_streak":2}]}