{"title":"Dundas: threshold days by year","description":"Days at or beyond each fixed threshold at Dundas, by year.","dataAsOf":"2026-10-14T00:00:00Z","lastRevised":"2026-10-15","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/ASN00012139/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":"prcp_ge_10mm","year":1912,"days":2,"first":"1912-05-17","last":"1912-07-04","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1913,"days":7,"first":"1913-03-17","last":"1913-12-20","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1914,"days":5,"first":"1914-01-06","last":"1914-11-13","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1915,"days":13,"first":"1915-01-01","last":"1915-08-01","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1916,"days":8,"first":"1916-01-21","last":"1916-11-08","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1917,"days":10,"first":"1917-03-19","last":"1917-11-18","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1918,"days":15,"first":"1918-01-02","last":"1918-11-30","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1919,"days":10,"first":"1919-03-31","last":"1919-12-10","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1920,"days":7,"first":"1920-02-24","last":"1920-10-22","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1921,"days":11,"first":"1921-01-25","last":"1921-12-09","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1922,"days":9,"first":"1922-04-17","last":"1922-12-16","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1923,"days":3,"first":"1923-04-26","last":"1923-12-13","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1924,"days":3,"first":"1924-04-06","last":"1924-10-18","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1925,"days":8,"first":"1925-02-18","last":"1925-12-10","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1926,"days":5,"first":"1926-03-10","last":"1926-11-19","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1913,"days":1,"first":"1913-04-11","last":"1913-04-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1914,"days":1,"first":"1914-10-23","last":"1914-10-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1915,"days":2,"first":"1915-01-17","last":"1915-02-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1917,"days":3,"first":"1917-03-19","last":"1917-11-18","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1919,"days":1,"first":"1919-04-17","last":"1919-04-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1921,"days":1,"first":"1921-06-13","last":"1921-06-13","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1924,"days":2,"first":"1924-10-17","last":"1924-10-18","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1925,"days":2,"first":"1925-02-18","last":"1925-02-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1926,"days":1,"first":"1926-03-31","last":"1926-03-31","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1913,"days":1,"first":"1913-04-11","last":"1913-04-11","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1917,"days":1,"first":"1917-03-19","last":"1917-03-19","longest_streak":1}]}