{"title":"Harvard: threshold days by year","description":"Days at or beyond each fixed threshold at Harvard, 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/USC00303714/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":1949,"days":41,"first":"1949-01-01","last":"1949-12-13","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1950,"days":41,"first":"1950-01-06","last":"1950-12-05","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1951,"days":51,"first":"1951-01-04","last":"1951-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1952,"days":40,"first":"1952-01-03","last":"1952-12-22","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1953,"days":39,"first":"1953-01-09","last":"1953-12-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1954,"days":34,"first":"1954-01-27","last":"1954-12-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1955,"days":42,"first":"1955-01-03","last":"1955-12-15","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1956,"days":46,"first":"1956-02-03","last":"1956-12-23","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1957,"days":34,"first":"1957-01-01","last":"1957-12-27","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1958,"days":38,"first":"1958-01-15","last":"1958-12-06","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1949,"days":6,"first":"1949-01-06","last":"1949-12-13","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1950,"days":10,"first":"1950-03-09","last":"1950-12-05","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1951,"days":13,"first":"1951-01-24","last":"1951-11-03","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1952,"days":6,"first":"1952-07-09","last":"1952-12-12","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1953,"days":6,"first":"1953-05-23","last":"1953-11-23","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1954,"days":6,"first":"1954-04-17","last":"1954-11-22","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1955,"days":15,"first":"1955-02-07","last":"1955-10-30","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1956,"days":4,"first":"1956-06-04","last":"1956-12-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1957,"days":7,"first":"1957-04-05","last":"1957-12-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1958,"days":9,"first":"1958-01-22","last":"1958-12-06","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1950,"days":1,"first":"1950-12-05","last":"1950-12-05","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1951,"days":1,"first":"1951-07-20","last":"1951-07-20","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1952,"days":3,"first":"1952-07-10","last":"1952-12-11","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1953,"days":1,"first":"1953-09-07","last":"1953-09-07","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1954,"days":2,"first":"1954-04-17","last":"1954-11-03","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1955,"days":3,"first":"1955-08-12","last":"1955-08-19","longest_streak":2},{"threshold":"prcp_ge_50mm","year":1957,"days":1,"first":"1957-12-21","last":"1957-12-21","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1952,"days":1,"first":"1952-07-10","last":"1952-07-10","longest_streak":1}]}