{"title":"Macdowall: threshold days by year","description":"Days at or beyond each fixed threshold at Macdowall, 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/CA004054795/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":1916,"days":8,"first":"1916-07-10","last":"1916-08-01","longest_streak":3},{"threshold":"tmax_ge_30c","year":1917,"days":11,"first":"1917-05-14","last":"1917-09-22","longest_streak":5},{"threshold":"tmax_ge_30c","year":1920,"days":9,"first":"1920-07-10","last":"1920-08-23","longest_streak":3},{"threshold":"tmax_ge_30c","year":1921,"days":2,"first":"1921-07-20","last":"1921-07-22","longest_streak":1},{"threshold":"tmax_ge_30c","year":1922,"days":8,"first":"1922-05-25","last":"1922-09-27","longest_streak":3},{"threshold":"tmax_ge_30c","year":1924,"days":4,"first":"1924-07-02","last":"1924-07-25","longest_streak":2},{"threshold":"tmax_ge_30c","year":1925,"days":8,"first":"1925-05-18","last":"1925-08-03","longest_streak":3},{"threshold":"tmax_ge_30c","year":1926,"days":9,"first":"1926-06-26","last":"1926-08-24","longest_streak":4},{"threshold":"tmax_ge_35c","year":1926,"days":1,"first":"1926-07-25","last":"1926-07-25","longest_streak":1},{"threshold":"tmax_ge_90f","year":1917,"days":4,"first":"1917-07-16","last":"1917-08-16","longest_streak":3},{"threshold":"tmax_ge_90f","year":1920,"days":3,"first":"1920-07-16","last":"1920-07-18","longest_streak":3},{"threshold":"tmax_ge_90f","year":1922,"days":3,"first":"1922-07-19","last":"1922-08-02","longest_streak":2},{"threshold":"tmax_ge_90f","year":1924,"days":1,"first":"1924-07-06","last":"1924-07-06","longest_streak":1},{"threshold":"tmax_ge_90f","year":1925,"days":1,"first":"1925-08-03","last":"1925-08-03","longest_streak":1},{"threshold":"tmax_ge_90f","year":1926,"days":6,"first":"1926-07-06","last":"1926-08-24","longest_streak":4},{"threshold":"tmax_le_0c","year":1916,"days":125,"first":"1916-01-01","last":"1916-12-30","longest_streak":26},{"threshold":"tmax_le_0c","year":1917,"days":125,"first":"1917-01-01","last":"1917-12-30","longest_streak":32},{"threshold":"tmax_le_0c","year":1920,"days":130,"first":"1920-01-01","last":"1920-12-31","longest_streak":68},{"threshold":"tmax_le_0c","year":1921,"days":127,"first":"1921-01-01","last":"1921-12-31","longest_streak":25},{"threshold":"tmax_le_0c","year":1922,"days":120,"first":"1922-01-01","last":"1922-12-31","longest_streak":47},{"threshold":"tmax_le_0c","year":1923,"days":120,"first":"1923-01-01","last":"1923-12-31","longest_streak":17},{"threshold":"tmax_le_0c","year":1924,"days":110,"first":"1924-01-01","last":"1924-12-31","longest_streak":52},{"threshold":"tmax_le_0c","year":1925,"days":116,"first":"1925-01-01","last":"1925-12-31","longest_streak":23},{"threshold":"tmax_le_0c","year":1926,"days":118,"first":"1926-01-03","last":"1926-12-29","longest_streak":31},{"threshold":"tmin_le_0c","year":1916,"days":229,"first":"1916-01-01","last":"1916-12-31","longest_streak":172},{"threshold":"tmin_le_0c","year":1917,"days":224,"first":"1917-01-01","last":"1917-12-31","longest_streak":99},{"threshold":"tmin_le_0c","year":1920,"days":221,"first":"1920-01-01","last":"1920-12-31","longest_streak":113},{"threshold":"tmin_le_0c","year":1921,"days":217,"first":"1921-01-01","last":"1921-12-31","longest_streak":181},{"threshold":"tmin_le_0c","year":1922,"days":214,"first":"1922-01-01","last":"1922-12-31","longest_streak":126},{"threshold":"tmin_le_0c","year":1923,"days":213,"first":"1923-01-01","last":"1923-12-31","longest_streak":173},{"threshold":"tmin_le_0c","year":1924,"days":228,"first":"1924-01-01","last":"1924-12-31","longest_streak":77},{"threshold":"tmin_le_0c","year":1925,"days":221,"first":"1925-01-01","last":"1925-12-31","longest_streak":105},{"threshold":"tmin_le_0c","year":1926,"days":223,"first":"1926-01-01","last":"1926-12-31","longest_streak":89},{"threshold":"tmin_le_m10c","year":1916,"days":131,"first":"1916-01-01","last":"1916-12-31","longest_streak":71},{"threshold":"tmin_le_m10c","year":1917,"days":131,"first":"1917-01-01","last":"1917-12-31","longest_streak":85},{"threshold":"tmin_le_m10c","year":1920,"days":136,"first":"1920-01-01","last":"1920-12-31","longest_streak":56},{"threshold":"tmin_le_m10c","year":1921,"days":127,"first":"1921-01-01","last":"1921-12-31","longest_streak":25},{"threshold":"tmin_le_m10c","year":1922,"days":122,"first":"1922-01-01","last":"1922-12-31","longest_streak":64},{"threshold":"tmin_le_m10c","year":1923,"days":132,"first":"1923-01-01","last":"1923-12-31","longest_streak":35},{"threshold":"tmin_le_m10c","year":1924,"days":134,"first":"1924-01-01","last":"1924-12-31","longest_streak":51},{"threshold":"tmin_le_m10c","year":1925,"days":121,"first":"1925-01-01","last":"1925-12-31","longest_streak":26},{"threshold":"tmin_le_m10c","year":1926,"days":123,"first":"1926-01-03","last":"1926-12-31","longest_streak":35},{"threshold":"tmin_le_m20c","year":1916,"days":84,"first":"1916-01-01","last":"1916-12-29","longest_streak":25},{"threshold":"tmin_le_m20c","year":1917,"days":91,"first":"1917-01-01","last":"1917-12-30","longest_streak":20},{"threshold":"tmin_le_m20c","year":1920,"days":59,"first":"1920-01-01","last":"1920-12-30","longest_streak":18},{"threshold":"tmin_le_m20c","year":1921,"days":66,"first":"1921-01-06","last":"1921-12-27","longest_streak":10},{"threshold":"tmin_le_m20c","year":1922,"days":79,"first":"1922-01-01","last":"1922-12-31","longest_streak":17},{"threshold":"tmin_le_m20c","year":1923,"days":75,"first":"1923-01-01","last":"1923-12-31","longest_streak":12},{"threshold":"tmin_le_m20c","year":1924,"days":58,"first":"1924-01-01","last":"1924-12-31","longest_streak":21},{"threshold":"tmin_le_m20c","year":1925,"days":58,"first":"1925-01-01","last":"1925-12-28","longest_streak":9},{"threshold":"tmin_le_m20c","year":1926,"days":56,"first":"1926-01-11","last":"1926-12-28","longest_streak":8},{"threshold":"tmin_le_m30c","year":1916,"days":40,"first":"1916-01-05","last":"1916-12-28","longest_streak":11},{"threshold":"tmin_le_m30c","year":1917,"days":45,"first":"1917-01-04","last":"1917-12-28","longest_streak":9},{"threshold":"tmin_le_m30c","year":1920,"days":25,"first":"1920-01-01","last":"1920-12-27","longest_streak":7},{"threshold":"tmin_le_m30c","year":1921,"days":17,"first":"1921-01-11","last":"1921-12-23","longest_streak":3},{"threshold":"tmin_le_m30c","year":1922,"days":24,"first":"1922-01-03","last":"1922-12-18","longest_streak":4},{"threshold":"tmin_le_m30c","year":1923,"days":23,"first":"1923-01-03","last":"1923-12-31","longest_streak":7},{"threshold":"tmin_le_m30c","year":1924,"days":25,"first":"1924-01-02","last":"1924-12-31","longest_streak":7},{"threshold":"tmin_le_m30c","year":1925,"days":14,"first":"1925-01-01","last":"1925-12-27","longest_streak":2},{"threshold":"tmin_le_m30c","year":1926,"days":9,"first":"1926-01-19","last":"1926-12-27","longest_streak":3},{"threshold":"tmin_le_m40c","year":1916,"days":8,"first":"1916-01-05","last":"1916-02-10","longest_streak":4},{"threshold":"tmin_le_m40c","year":1917,"days":11,"first":"1917-01-12","last":"1917-12-28","longest_streak":3},{"threshold":"tmin_le_m40c","year":1920,"days":3,"first":"1920-01-01","last":"1920-01-24","longest_streak":2},{"threshold":"tmin_le_m40c","year":1921,"days":3,"first":"1921-01-17","last":"1921-12-23","longest_streak":1},{"threshold":"tmin_le_m40c","year":1922,"days":4,"first":"1922-01-22","last":"1922-02-22","longest_streak":2},{"threshold":"tmin_le_m40c","year":1923,"days":1,"first":"1923-01-05","last":"1923-01-05","longest_streak":1},{"threshold":"tmin_le_m40c","year":1924,"days":2,"first":"1924-12-16","last":"1924-12-19","longest_streak":1},{"threshold":"tmin_le_m40c","year":1925,"days":2,"first":"1925-01-14","last":"1925-01-25","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1916,"days":13,"first":"1916-04-12","last":"1916-10-21","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1917,"days":7,"first":"1917-03-30","last":"1917-12-01","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1920,"days":7,"first":"1920-03-14","last":"1920-10-19","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1921,"days":17,"first":"1921-02-14","last":"1921-11-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1922,"days":12,"first":"1922-01-29","last":"1922-10-05","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1923,"days":8,"first":"1923-04-19","last":"1923-09-26","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1924,"days":5,"first":"1924-01-08","last":"1924-10-13","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1926,"days":7,"first":"1926-02-13","last":"1926-10-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1916,"days":6,"first":"1916-04-12","last":"1916-09-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1920,"days":2,"first":"1920-07-22","last":"1920-09-24","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1921,"days":2,"first":"1921-06-18","last":"1921-07-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1922,"days":2,"first":"1922-05-12","last":"1922-08-05","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1923,"days":2,"first":"1923-07-06","last":"1923-07-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1924,"days":1,"first":"1924-08-20","last":"1924-08-20","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1920,"days":1,"first":"1920-09-24","last":"1920-09-24","longest_streak":1},{"threshold":"snow_ge_10cm","year":1917,"days":4,"first":"1917-03-30","last":"1917-12-01","longest_streak":2},{"threshold":"snow_ge_10cm","year":1920,"days":1,"first":"1920-03-14","last":"1920-03-14","longest_streak":1},{"threshold":"snow_ge_10cm","year":1921,"days":4,"first":"1921-02-14","last":"1921-11-30","longest_streak":1},{"threshold":"snow_ge_10cm","year":1922,"days":3,"first":"1922-01-29","last":"1922-03-21","longest_streak":1},{"threshold":"snow_ge_10cm","year":1924,"days":2,"first":"1924-01-08","last":"1924-04-15","longest_streak":1},{"threshold":"snow_ge_10cm","year":1925,"days":1,"first":"1925-11-25","last":"1925-11-25","longest_streak":1},{"threshold":"snow_ge_10cm","year":1926,"days":2,"first":"1926-02-13","last":"1926-03-05","longest_streak":1}]}