{"title":"Dunnville: threshold days by year","description":"Days at or beyond each fixed threshold at Dunnville, 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/CA006132144/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":1900,"days":6,"first":"1900-08-07","last":"1900-09-03","longest_streak":2},{"threshold":"tmax_ge_30c","year":1901,"days":13,"first":"1901-06-27","last":"1901-08-22","longest_streak":4},{"threshold":"tmax_ge_90f","year":1901,"days":2,"first":"1901-07-01","last":"1901-07-03","longest_streak":1},{"threshold":"tmax_le_0c","year":1900,"days":56,"first":"1900-01-01","last":"1900-12-28","longest_streak":8},{"threshold":"tmax_le_0c","year":1901,"days":47,"first":"1901-01-19","last":"1901-12-21","longest_streak":16},{"threshold":"tmax_le_0c","year":1902,"days":56,"first":"1902-01-03","last":"1902-12-30","longest_streak":27},{"threshold":"tmin_le_0c","year":1900,"days":131,"first":"1900-01-01","last":"1900-12-29","longest_streak":42},{"threshold":"tmin_le_0c","year":1901,"days":142,"first":"1901-01-18","last":"1901-12-31","longest_streak":66},{"threshold":"tmin_le_0c","year":1902,"days":135,"first":"1902-01-01","last":"1902-12-31","longest_streak":18},{"threshold":"tmin_le_m10c","year":1900,"days":41,"first":"1900-01-01","last":"1900-12-16","longest_streak":5},{"threshold":"tmin_le_m10c","year":1901,"days":42,"first":"1901-01-18","last":"1901-12-31","longest_streak":7},{"threshold":"tmin_le_m10c","year":1902,"days":47,"first":"1902-01-01","last":"1902-12-27","longest_streak":19},{"threshold":"tmin_le_m20c","year":1900,"days":2,"first":"1900-02-26","last":"1900-02-27","longest_streak":2},{"threshold":"tmin_le_m20c","year":1901,"days":3,"first":"1901-03-05","last":"1901-12-20","longest_streak":1},{"threshold":"tmin_ge_20c","year":1900,"days":19,"first":"1900-06-27","last":"1900-10-06","longest_streak":6},{"threshold":"tmin_ge_20c","year":1901,"days":12,"first":"1901-06-26","last":"1901-08-22","longest_streak":3},{"threshold":"tmin_ge_20c","year":1902,"days":3,"first":"1902-07-05","last":"1902-08-31","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1900,"days":28,"first":"1900-01-20","last":"1900-11-27","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1901,"days":26,"first":"1901-01-10","last":"1901-12-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1902,"days":31,"first":"1902-01-08","last":"1902-12-16","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1956,"days":35,"first":"1956-01-30","last":"1956-12-21","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1957,"days":29,"first":"1957-01-09","last":"1957-12-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1958,"days":27,"first":"1958-01-21","last":"1958-11-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1960,"days":31,"first":"1960-01-12","last":"1960-12-20","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1961,"days":32,"first":"1961-02-03","last":"1961-12-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1900,"days":6,"first":"1900-03-01","last":"1900-11-19","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1901,"days":3,"first":"1901-04-21","last":"1901-12-14","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1902,"days":2,"first":"1902-07-19","last":"1902-10-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1956,"days":5,"first":"1956-02-11","last":"1956-09-16","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1957,"days":4,"first":"1957-01-22","last":"1957-10-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1958,"days":2,"first":"1958-06-25","last":"1958-08-24","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1960,"days":4,"first":"1960-01-12","last":"1960-08-09","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1961,"days":4,"first":"1961-02-25","last":"1961-08-05","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1901,"days":1,"first":"1901-09-01","last":"1901-09-01","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1961,"days":1,"first":"1961-08-01","last":"1961-08-01","longest_streak":1},{"threshold":"snow_ge_10cm","year":1900,"days":7,"first":"1900-02-04","last":"1900-03-26","longest_streak":2},{"threshold":"snow_ge_10cm","year":1902,"days":1,"first":"1902-01-08","last":"1902-01-08","longest_streak":1},{"threshold":"snow_ge_10cm","year":1956,"days":3,"first":"1956-01-30","last":"1956-03-16","longest_streak":1},{"threshold":"snow_ge_10cm","year":1957,"days":6,"first":"1957-01-09","last":"1957-04-08","longest_streak":1},{"threshold":"snow_ge_10cm","year":1958,"days":4,"first":"1958-01-24","last":"1958-11-28","longest_streak":1},{"threshold":"snow_ge_10cm","year":1960,"days":6,"first":"1960-01-27","last":"1960-12-20","longest_streak":1},{"threshold":"snow_ge_10cm","year":1961,"days":3,"first":"1961-02-03","last":"1961-12-29","longest_streak":1},{"threshold":"snow_ge_25cm","year":1900,"days":1,"first":"1900-03-01","last":"1900-03-01","longest_streak":1}]}