{"title":"Alert Ua: threshold days by year","description":"Days at or beyond each fixed threshold at Alert Ua, 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/CA002400306/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":1958,"days":254,"first":"1958-01-01","last":"1958-12-31","longest_streak":81},{"threshold":"tmax_le_0c","year":1981,"days":239,"first":"1981-01-01","last":"1981-12-31","longest_streak":28},{"threshold":"tmin_le_0c","year":1958,"days":313,"first":"1958-01-01","last":"1958-12-31","longest_streak":55},{"threshold":"tmin_le_0c","year":1978,"days":305,"first":"1978-01-01","last":"1978-12-31","longest_streak":34},{"threshold":"tmin_le_0c","year":1980,"days":321,"first":"1980-01-01","last":"1980-12-31","longest_streak":62},{"threshold":"tmin_le_0c","year":1981,"days":312,"first":"1981-01-01","last":"1981-12-31","longest_streak":28},{"threshold":"tmin_le_m10c","year":1958,"days":243,"first":"1958-01-01","last":"1958-12-31","longest_streak":51},{"threshold":"tmin_le_m10c","year":1978,"days":226,"first":"1978-01-01","last":"1978-12-31","longest_streak":26},{"threshold":"tmin_le_m10c","year":1980,"days":248,"first":"1980-01-01","last":"1980-12-31","longest_streak":61},{"threshold":"tmin_le_m10c","year":1981,"days":224,"first":"1981-01-01","last":"1981-12-31","longest_streak":27},{"threshold":"tmin_le_m20c","year":1958,"days":196,"first":"1958-01-01","last":"1958-12-31","longest_streak":48},{"threshold":"tmin_le_m20c","year":1978,"days":192,"first":"1978-01-01","last":"1978-12-31","longest_streak":26},{"threshold":"tmin_le_m20c","year":1980,"days":194,"first":"1980-01-01","last":"1980-12-31","longest_streak":46},{"threshold":"tmin_le_m20c","year":1981,"days":184,"first":"1981-01-01","last":"1981-12-31","longest_streak":27},{"threshold":"tmin_le_m30c","year":1958,"days":139,"first":"1958-01-03","last":"1958-12-31","longest_streak":47},{"threshold":"tmin_le_m30c","year":1978,"days":139,"first":"1978-01-01","last":"1978-12-31","longest_streak":23},{"threshold":"tmin_le_m30c","year":1980,"days":139,"first":"1980-01-01","last":"1980-12-31","longest_streak":24},{"threshold":"tmin_le_m30c","year":1981,"days":117,"first":"1981-01-01","last":"1981-12-28","longest_streak":27},{"threshold":"tmin_le_m40c","year":1958,"days":28,"first":"1958-01-03","last":"1958-12-21","longest_streak":14},{"threshold":"tmin_le_m40c","year":1978,"days":21,"first":"1978-01-03","last":"1978-03-22","longest_streak":9},{"threshold":"tmin_le_m40c","year":1980,"days":29,"first":"1980-01-09","last":"1980-12-30","longest_streak":6},{"threshold":"tmin_le_m40c","year":1981,"days":16,"first":"1981-01-10","last":"1981-03-30","longest_streak":5}]}