{"title":"Columbia Icefield: threshold days by year","description":"Days at or beyond each fixed threshold at Columbia Icefield, 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/CA003051740/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":1972,"days":146,"first":"1972-01-01","last":"1972-12-31","longest_streak":61},{"threshold":"tmax_le_0c","year":1973,"days":140,"first":"1973-01-01","last":"1973-12-31","longest_streak":36},{"threshold":"tmax_le_0c","year":1976,"days":132,"first":"1976-01-01","last":"1976-12-31","longest_streak":29},{"threshold":"tmax_le_0c","year":1977,"days":147,"first":"1977-01-01","last":"1977-12-31","longest_streak":50},{"threshold":"tmin_le_0c","year":1972,"days":279,"first":"1972-01-01","last":"1972-12-31","longest_streak":160},{"threshold":"tmin_le_0c","year":1973,"days":284,"first":"1973-01-01","last":"1973-12-31","longest_streak":172},{"threshold":"tmin_le_0c","year":1976,"days":283,"first":"1976-01-01","last":"1976-12-31","longest_streak":194},{"threshold":"tmin_le_0c","year":1977,"days":304,"first":"1977-01-01","last":"1977-12-31","longest_streak":69},{"threshold":"tmin_le_m10c","year":1972,"days":148,"first":"1972-01-01","last":"1972-12-31","longest_streak":21},{"threshold":"tmin_le_m10c","year":1973,"days":122,"first":"1973-01-01","last":"1973-12-31","longest_streak":20},{"threshold":"tmin_le_m10c","year":1976,"days":135,"first":"1976-01-01","last":"1976-12-31","longest_streak":21},{"threshold":"tmin_le_m10c","year":1977,"days":131,"first":"1977-01-01","last":"1977-12-31","longest_streak":15},{"threshold":"tmin_le_m20c","year":1972,"days":51,"first":"1972-01-03","last":"1972-12-30","longest_streak":14},{"threshold":"tmin_le_m20c","year":1973,"days":31,"first":"1973-01-03","last":"1973-12-31","longest_streak":11},{"threshold":"tmin_le_m20c","year":1976,"days":28,"first":"1976-01-01","last":"1976-12-09","longest_streak":8},{"threshold":"tmin_le_m20c","year":1977,"days":35,"first":"1977-01-02","last":"1977-12-31","longest_streak":7},{"threshold":"tmin_le_m30c","year":1972,"days":14,"first":"1972-01-13","last":"1972-12-08","longest_streak":4},{"threshold":"tmin_le_m30c","year":1973,"days":1,"first":"1973-01-06","last":"1973-01-06","longest_streak":1},{"threshold":"tmin_le_m30c","year":1976,"days":6,"first":"1976-01-06","last":"1976-03-04","longest_streak":4},{"threshold":"tmin_le_m30c","year":1977,"days":10,"first":"1977-11-20","last":"1977-12-09","longest_streak":5},{"threshold":"tmin_le_m40c","year":1972,"days":1,"first":"1972-01-25","last":"1972-01-25","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1972,"days":29,"first":"1972-01-15","last":"1972-12-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1973,"days":28,"first":"1973-01-13","last":"1973-12-20","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1976,"days":16,"first":"1976-01-26","last":"1976-12-16","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1977,"days":23,"first":"1977-01-09","last":"1977-12-11","longest_streak":4},{"threshold":"prcp_ge_25mm","year":1972,"days":5,"first":"1972-02-15","last":"1972-12-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1973,"days":3,"first":"1973-01-14","last":"1973-11-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1976,"days":1,"first":"1976-02-22","last":"1976-02-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1977,"days":4,"first":"1977-01-17","last":"1977-12-10","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1972,"days":1,"first":"1972-02-27","last":"1972-02-27","longest_streak":1},{"threshold":"snow_ge_10cm","year":1972,"days":22,"first":"1972-01-15","last":"1972-12-26","longest_streak":2},{"threshold":"snow_ge_10cm","year":1973,"days":26,"first":"1973-01-13","last":"1973-12-20","longest_streak":3},{"threshold":"snow_ge_10cm","year":1976,"days":13,"first":"1976-01-26","last":"1976-12-16","longest_streak":2},{"threshold":"snow_ge_10cm","year":1977,"days":20,"first":"1977-01-09","last":"1977-12-11","longest_streak":4},{"threshold":"snow_ge_25cm","year":1972,"days":5,"first":"1972-02-15","last":"1972-12-25","longest_streak":1},{"threshold":"snow_ge_25cm","year":1973,"days":3,"first":"1973-01-14","last":"1973-11-27","longest_streak":1},{"threshold":"snow_ge_25cm","year":1976,"days":1,"first":"1976-02-22","last":"1976-02-22","longest_streak":1},{"threshold":"snow_ge_25cm","year":1977,"days":3,"first":"1977-01-17","last":"1977-12-10","longest_streak":1},{"threshold":"snow_ge_50cm","year":1972,"days":1,"first":"1972-02-27","last":"1972-02-27","longest_streak":1}]}