{"title":"Oshawa: threshold days by year","description":"Days at or beyond each fixed threshold at Oshawa, 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/CA006155876/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":1884,"days":15,"first":"1884-06-07","last":"1884-09-10","longest_streak":7},{"threshold":"tmax_ge_30c","year":1885,"days":11,"first":"1885-07-10","last":"1885-08-31","longest_streak":4},{"threshold":"tmax_ge_30c","year":1886,"days":6,"first":"1886-07-05","last":"1886-08-29","longest_streak":4},{"threshold":"tmax_ge_30c","year":1887,"days":21,"first":"1887-07-01","last":"1887-08-11","longest_streak":5},{"threshold":"tmax_ge_30c","year":1889,"days":1,"first":"1889-07-10","last":"1889-07-10","longest_streak":1},{"threshold":"tmax_ge_30c","year":1890,"days":2,"first":"1890-07-01","last":"1890-07-15","longest_streak":1},{"threshold":"tmax_ge_30c","year":1914,"days":9,"first":"1914-06-24","last":"1914-08-10","longest_streak":3},{"threshold":"tmax_ge_30c","year":1915,"days":2,"first":"1915-07-31","last":"1915-08-01","longest_streak":2},{"threshold":"tmax_ge_30c","year":1954,"days":7,"first":"1954-07-13","last":"1954-07-31","longest_streak":3},{"threshold":"tmax_ge_30c","year":1956,"days":2,"first":"1956-06-12","last":"1956-06-13","longest_streak":2},{"threshold":"tmax_ge_30c","year":1957,"days":4,"first":"1957-06-17","last":"1957-07-19","longest_streak":2},{"threshold":"tmax_ge_30c","year":1958,"days":1,"first":"1958-07-02","last":"1958-07-02","longest_streak":1},{"threshold":"tmax_ge_35c","year":1887,"days":1,"first":"1887-07-17","last":"1887-07-17","longest_streak":1},{"threshold":"tmax_ge_90f","year":1884,"days":2,"first":"1884-08-18","last":"1884-08-19","longest_streak":2},{"threshold":"tmax_ge_90f","year":1885,"days":2,"first":"1885-07-22","last":"1885-08-01","longest_streak":1},{"threshold":"tmax_ge_90f","year":1886,"days":1,"first":"1886-07-07","last":"1886-07-07","longest_streak":1},{"threshold":"tmax_ge_90f","year":1887,"days":7,"first":"1887-07-03","last":"1887-08-06","longest_streak":3},{"threshold":"tmax_ge_90f","year":1914,"days":3,"first":"1914-07-12","last":"1914-08-09","longest_streak":1},{"threshold":"tmax_ge_90f","year":1954,"days":2,"first":"1954-07-13","last":"1954-07-30","longest_streak":1},{"threshold":"tmax_ge_90f","year":1956,"days":1,"first":"1956-06-13","last":"1956-06-13","longest_streak":1},{"threshold":"tmax_ge_90f","year":1957,"days":1,"first":"1957-06-18","last":"1957-06-18","longest_streak":1},{"threshold":"tmax_ge_100f","year":1887,"days":1,"first":"1887-07-17","last":"1887-07-17","longest_streak":1},{"threshold":"tmax_le_0c","year":1883,"days":76,"first":"1883-01-04","last":"1883-12-31","longest_streak":16},{"threshold":"tmax_le_0c","year":1884,"days":71,"first":"1884-01-01","last":"1884-12-27","longest_streak":12},{"threshold":"tmax_le_0c","year":1885,"days":77,"first":"1885-01-02","last":"1885-12-27","longest_streak":22},{"threshold":"tmax_le_0c","year":1886,"days":63,"first":"1886-01-07","last":"1886-12-31","longest_streak":23},{"threshold":"tmax_le_0c","year":1887,"days":73,"first":"1887-01-01","last":"1887-12-31","longest_streak":7},{"threshold":"tmax_le_0c","year":1889,"days":41,"first":"1889-01-12","last":"1889-12-31","longest_streak":5},{"threshold":"tmax_le_0c","year":1890,"days":49,"first":"1890-01-10","last":"1890-12-30","longest_streak":7},{"threshold":"tmax_le_0c","year":1914,"days":77,"first":"1914-01-02","last":"1914-12-31","longest_streak":19},{"threshold":"tmax_le_0c","year":1915,"days":64,"first":"1915-01-02","last":"1915-12-31","longest_streak":17},{"threshold":"tmax_le_0c","year":1954,"days":48,"first":"1954-01-03","last":"1954-12-25","longest_streak":11},{"threshold":"tmax_le_0c","year":1956,"days":69,"first":"1956-01-01","last":"1956-12-31","longest_streak":13},{"threshold":"tmax_le_0c","year":1957,"days":44,"first":"1957-01-01","last":"1957-12-17","longest_streak":11},{"threshold":"tmax_le_0c","year":1958,"days":63,"first":"1958-01-02","last":"1958-12-30","longest_streak":15},{"threshold":"tmin_le_0c","year":1883,"days":164,"first":"1883-01-01","last":"1883-12-31","longest_streak":66},{"threshold":"tmin_le_0c","year":1884,"days":156,"first":"1884-01-01","last":"1884-12-28","longest_streak":32},{"threshold":"tmin_le_0c","year":1885,"days":169,"first":"1885-01-01","last":"1885-12-30","longest_streak":83},{"threshold":"tmin_le_0c","year":1886,"days":147,"first":"1886-01-01","last":"1886-12-31","longest_streak":40},{"threshold":"tmin_le_0c","year":1887,"days":169,"first":"1887-01-01","last":"1887-12-31","longest_streak":111},{"threshold":"tmin_le_0c","year":1889,"days":160,"first":"1889-01-01","last":"1889-12-31","longest_streak":46},{"threshold":"tmin_le_0c","year":1890,"days":169,"first":"1890-01-01","last":"1890-12-31","longest_streak":50},{"threshold":"tmin_le_0c","year":1914,"days":154,"first":"1914-01-01","last":"1914-12-31","longest_streak":66},{"threshold":"tmin_le_0c","year":1915,"days":150,"first":"1915-01-01","last":"1915-12-31","longest_streak":27},{"threshold":"tmin_le_0c","year":1954,"days":123,"first":"1954-01-01","last":"1954-12-31","longest_streak":18},{"threshold":"tmin_le_0c","year":1956,"days":148,"first":"1956-01-01","last":"1956-12-31","longest_streak":32},{"threshold":"tmin_le_0c","year":1957,"days":133,"first":"1957-01-01","last":"1957-12-31","longest_streak":33},{"threshold":"tmin_le_0c","year":1958,"days":142,"first":"1958-01-01","last":"1958-12-31","longest_streak":55},{"threshold":"tmin_le_m10c","year":1883,"days":76,"first":"1883-01-04","last":"1883-12-29","longest_streak":10},{"threshold":"tmin_le_m10c","year":1884,"days":64,"first":"1884-01-01","last":"1884-12-27","longest_streak":10},{"threshold":"tmin_le_m10c","year":1885,"days":76,"first":"1885-01-02","last":"1885-12-27","longest_streak":25},{"threshold":"tmin_le_m10c","year":1886,"days":63,"first":"1886-01-06","last":"1886-12-31","longest_streak":27},{"threshold":"tmin_le_m10c","year":1887,"days":73,"first":"1887-01-01","last":"1887-12-31","longest_streak":9},{"threshold":"tmin_le_m10c","year":1889,"days":41,"first":"1889-01-15","last":"1889-12-31","longest_streak":8},{"threshold":"tmin_le_m10c","year":1890,"days":59,"first":"1890-01-04","last":"1890-12-31","longest_streak":9},{"threshold":"tmin_le_m10c","year":1914,"days":71,"first":"1914-01-01","last":"1914-12-31","longest_streak":22},{"threshold":"tmin_le_m10c","year":1915,"days":48,"first":"1915-01-01","last":"1915-12-31","longest_streak":16},{"threshold":"tmin_le_m10c","year":1954,"days":35,"first":"1954-01-02","last":"1954-12-25","longest_streak":8},{"threshold":"tmin_le_m10c","year":1956,"days":38,"first":"1956-01-01","last":"1956-12-31","longest_streak":6},{"threshold":"tmin_le_m10c","year":1957,"days":34,"first":"1957-01-01","last":"1957-12-13","longest_streak":11},{"threshold":"tmin_le_m10c","year":1958,"days":48,"first":"1958-01-02","last":"1958-12-31","longest_streak":14},{"threshold":"tmin_le_m20c","year":1883,"days":10,"first":"1883-01-22","last":"1883-12-23","longest_streak":3},{"threshold":"tmin_le_m20c","year":1884,"days":15,"first":"1884-01-05","last":"1884-12-21","longest_streak":3},{"threshold":"tmin_le_m20c","year":1885,"days":27,"first":"1885-01-20","last":"1885-03-22","longest_streak":3},{"threshold":"tmin_le_m20c","year":1886,"days":20,"first":"1886-01-07","last":"1886-12-30","longest_streak":4},{"threshold":"tmin_le_m20c","year":1887,"days":11,"first":"1887-01-02","last":"1887-12-30","longest_streak":3},{"threshold":"tmin_le_m20c","year":1889,"days":10,"first":"1889-02-04","last":"1889-02-25","longest_streak":3},{"threshold":"tmin_le_m20c","year":1890,"days":3,"first":"1890-03-06","last":"1890-12-27","longest_streak":2},{"threshold":"tmin_le_m20c","year":1914,"days":15,"first":"1914-01-11","last":"1914-12-26","longest_streak":4},{"threshold":"tmin_le_m20c","year":1915,"days":4,"first":"1915-01-22","last":"1915-02-09","longest_streak":2},{"threshold":"tmin_le_m20c","year":1954,"days":4,"first":"1954-01-10","last":"1954-01-17","longest_streak":2},{"threshold":"tmin_le_m20c","year":1957,"days":7,"first":"1957-01-01","last":"1957-01-17","longest_streak":4},{"threshold":"tmin_le_m20c","year":1958,"days":4,"first":"1958-02-17","last":"1958-12-21","longest_streak":2},{"threshold":"tmin_le_m30c","year":1884,"days":1,"first":"1884-01-25","last":"1884-01-25","longest_streak":1},{"threshold":"tmin_le_m30c","year":1886,"days":1,"first":"1886-02-05","last":"1886-02-05","longest_streak":1},{"threshold":"tmin_le_m30c","year":1914,"days":1,"first":"1914-01-13","last":"1914-01-13","longest_streak":1},{"threshold":"tmin_ge_20c","year":1885,"days":1,"first":"1885-07-25","last":"1885-07-25","longest_streak":1},{"threshold":"tmin_ge_20c","year":1887,"days":2,"first":"1887-07-05","last":"1887-07-21","longest_streak":1},{"threshold":"tmin_ge_20c","year":1889,"days":1,"first":"1889-08-10","last":"1889-08-10","longest_streak":1},{"threshold":"tmin_ge_20c","year":1914,"days":4,"first":"1914-07-17","last":"1914-08-14","longest_streak":2},{"threshold":"tmin_ge_20c","year":1915,"days":1,"first":"1915-07-17","last":"1915-07-17","longest_streak":1},{"threshold":"tmin_ge_20c","year":1954,"days":2,"first":"1954-08-23","last":"1954-08-24","longest_streak":2},{"threshold":"tmin_ge_20c","year":1956,"days":1,"first":"1956-06-13","last":"1956-06-13","longest_streak":1},{"threshold":"tmin_ge_20c","year":1957,"days":5,"first":"1957-06-16","last":"1957-08-03","longest_streak":3},{"threshold":"tmin_ge_20c","year":1958,"days":4,"first":"1958-07-14","last":"1958-07-29","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1883,"days":33,"first":"1883-01-17","last":"1883-11-30","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1884,"days":30,"first":"1884-01-02","last":"1884-12-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1885,"days":23,"first":"1885-02-10","last":"1885-12-14","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1886,"days":29,"first":"1886-01-04","last":"1886-12-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1887,"days":28,"first":"1887-01-01","last":"1887-12-10","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1889,"days":27,"first":"1889-01-06","last":"1889-12-24","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1890,"days":28,"first":"1890-01-01","last":"1890-12-03","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1914,"days":13,"first":"1914-02-07","last":"1914-11-16","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1915,"days":18,"first":"1915-01-06","last":"1915-12-17","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1916,"days":20,"first":"1916-01-30","last":"1916-11-17","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1917,"days":15,"first":"1917-02-06","last":"1917-11-13","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1919,"days":1,"first":"1919-01-03","last":"1919-01-03","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1924,"days":27,"first":"1924-01-03","last":"1924-12-24","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1956,"days":17,"first":"1956-01-30","last":"1956-12-30","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1957,"days":24,"first":"1957-01-15","last":"1957-12-25","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1883,"days":6,"first":"1883-03-19","last":"1883-08-18","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1884,"days":6,"first":"1884-01-08","last":"1884-12-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1885,"days":6,"first":"1885-04-03","last":"1885-10-13","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1886,"days":6,"first":"1886-01-04","last":"1886-11-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1887,"days":4,"first":"1887-02-08","last":"1887-12-04","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1889,"days":7,"first":"1889-06-17","last":"1889-12-24","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1890,"days":3,"first":"1890-06-05","last":"1890-09-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1914,"days":2,"first":"1914-09-01","last":"1914-11-16","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1915,"days":4,"first":"1915-08-10","last":"1915-11-19","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1916,"days":6,"first":"1916-03-27","last":"1916-10-19","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1917,"days":8,"first":"1917-04-20","last":"1917-11-13","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1924,"days":6,"first":"1924-01-16","last":"1924-09-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1956,"days":3,"first":"1956-04-27","last":"1956-08-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1957,"days":3,"first":"1957-01-22","last":"1957-09-15","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1883,"days":1,"first":"1883-06-25","last":"1883-06-25","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1956,"days":1,"first":"1956-08-15","last":"1956-08-15","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1957,"days":1,"first":"1957-06-28","last":"1957-06-28","longest_streak":1},{"threshold":"snow_ge_10cm","year":1883,"days":5,"first":"1883-01-17","last":"1883-03-19","longest_streak":2},{"threshold":"snow_ge_10cm","year":1884,"days":7,"first":"1884-01-02","last":"1884-12-15","longest_streak":2},{"threshold":"snow_ge_10cm","year":1885,"days":4,"first":"1885-02-10","last":"1885-12-14","longest_streak":1},{"threshold":"snow_ge_10cm","year":1886,"days":4,"first":"1886-01-09","last":"1886-12-26","longest_streak":1},{"threshold":"snow_ge_10cm","year":1887,"days":9,"first":"1887-01-01","last":"1887-12-04","longest_streak":2},{"threshold":"snow_ge_10cm","year":1889,"days":6,"first":"1889-01-20","last":"1889-11-27","longest_streak":1},{"threshold":"snow_ge_10cm","year":1890,"days":3,"first":"1890-02-20","last":"1890-12-03","longest_streak":1},{"threshold":"snow_ge_10cm","year":1914,"days":1,"first":"1914-03-19","last":"1914-03-19","longest_streak":1},{"threshold":"snow_ge_10cm","year":1915,"days":4,"first":"1915-01-20","last":"1915-02-24","longest_streak":1},{"threshold":"snow_ge_10cm","year":1916,"days":2,"first":"1916-02-26","last":"1916-03-10","longest_streak":1},{"threshold":"snow_ge_10cm","year":1917,"days":1,"first":"1917-02-06","last":"1917-02-06","longest_streak":1},{"threshold":"snow_ge_10cm","year":1924,"days":3,"first":"1924-01-03","last":"1924-12-24","longest_streak":2},{"threshold":"snow_ge_10cm","year":1956,"days":2,"first":"1956-01-30","last":"1956-12-30","longest_streak":1},{"threshold":"snow_ge_10cm","year":1957,"days":2,"first":"1957-01-15","last":"1957-02-14","longest_streak":1},{"threshold":"snow_ge_25cm","year":1883,"days":1,"first":"1883-03-19","last":"1883-03-19","longest_streak":1},{"threshold":"snow_ge_25cm","year":1884,"days":1,"first":"1884-01-08","last":"1884-01-08","longest_streak":1},{"threshold":"snow_ge_25cm","year":1885,"days":1,"first":"1885-04-03","last":"1885-04-03","longest_streak":1},{"threshold":"snow_ge_25cm","year":1887,"days":1,"first":"1887-02-11","last":"1887-02-11","longest_streak":1},{"threshold":"snow_ge_25cm","year":1889,"days":1,"first":"1889-11-27","last":"1889-11-27","longest_streak":1}]}