{"title":"Chicago Heights: threshold days by year","description":"Days at or beyond each fixed threshold at Chicago Heights, 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/USC00111527/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":"tmin_le_0c","year":1951,"days":113,"first":"1951-01-01","last":"1951-11-29","longest_streak":22},{"threshold":"tmin_le_m10c","year":1951,"days":22,"first":"1951-01-07","last":"1951-11-05","longest_streak":7},{"threshold":"tmin_le_m20c","year":1951,"days":7,"first":"1951-01-26","last":"1951-02-09","longest_streak":3},{"threshold":"tmin_ge_20c","year":1951,"days":3,"first":"1951-07-31","last":"1951-08-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1902,"days":35,"first":"1902-02-28","last":"1902-12-03","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1903,"days":32,"first":"1903-01-27","last":"1903-12-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1940,"days":25,"first":"1940-01-14","last":"1940-12-16","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1941,"days":33,"first":"1941-01-01","last":"1941-12-23","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1942,"days":25,"first":"1942-01-30","last":"1942-12-27","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1944,"days":30,"first":"1944-01-27","last":"1944-12-10","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1946,"days":30,"first":"1946-01-09","last":"1946-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1947,"days":40,"first":"1947-01-02","last":"1947-12-07","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1948,"days":25,"first":"1948-01-01","last":"1948-12-29","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1949,"days":28,"first":"1949-01-19","last":"1949-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1951,"days":30,"first":"1951-01-02","last":"1951-11-22","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1902,"days":14,"first":"1902-03-30","last":"1902-11-05","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1903,"days":10,"first":"1903-02-03","last":"1903-12-12","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1940,"days":5,"first":"1940-01-14","last":"1940-10-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1941,"days":9,"first":"1941-05-06","last":"1941-10-31","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1942,"days":7,"first":"1942-02-06","last":"1942-12-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1944,"days":4,"first":"1944-03-14","last":"1944-07-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1946,"days":8,"first":"1946-06-13","last":"1946-12-12","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1947,"days":14,"first":"1947-01-03","last":"1947-12-07","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1948,"days":8,"first":"1948-02-27","last":"1948-09-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1949,"days":9,"first":"1949-01-19","last":"1949-12-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1951,"days":9,"first":"1951-01-02","last":"1951-11-13","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1902,"days":1,"first":"1902-06-03","last":"1902-06-03","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1903,"days":1,"first":"1903-09-14","last":"1903-09-14","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1941,"days":1,"first":"1941-06-03","last":"1941-06-03","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1942,"days":2,"first":"1942-02-06","last":"1942-05-31","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1944,"days":1,"first":"1944-04-11","last":"1944-04-11","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1946,"days":1,"first":"1946-08-17","last":"1946-08-17","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1947,"days":1,"first":"1947-04-05","last":"1947-04-05","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1948,"days":3,"first":"1948-03-19","last":"1948-07-10","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1949,"days":4,"first":"1949-05-19","last":"1949-12-27","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1951,"days":3,"first":"1951-01-02","last":"1951-07-27","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1902,"days":1,"first":"1902-06-03","last":"1902-06-03","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1947,"days":1,"first":"1947-04-05","last":"1947-04-05","longest_streak":1},{"threshold":"snow_ge_10cm","year":1944,"days":3,"first":"1944-02-11","last":"1944-12-10","longest_streak":1},{"threshold":"snow_ge_10cm","year":1945,"days":1,"first":"1945-01-13","last":"1945-01-13","longest_streak":1},{"threshold":"snow_ge_10cm","year":1946,"days":2,"first":"1946-02-14","last":"1946-12-29","longest_streak":1},{"threshold":"snow_ge_10cm","year":1947,"days":1,"first":"1947-03-24","last":"1947-03-24","longest_streak":1},{"threshold":"snow_ge_10cm","year":1951,"days":1,"first":"1951-11-06","last":"1951-11-06","longest_streak":1}]}