{"title":"Walkamin Post Office: threshold days by year","description":"Days at or beyond each fixed threshold at Walkamin Post Office, 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/ASN00031061/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":1951,"days":20,"first":"1951-01-03","last":"1951-12-27","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1952,"days":23,"first":"1952-01-12","last":"1952-12-12","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1953,"days":31,"first":"1953-01-04","last":"1953-12-29","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1954,"days":20,"first":"1954-01-04","last":"1954-11-04","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1955,"days":37,"first":"1955-01-06","last":"1955-12-31","longest_streak":5},{"threshold":"prcp_ge_10mm","year":1956,"days":39,"first":"1956-01-04","last":"1956-12-27","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1957,"days":26,"first":"1957-01-01","last":"1957-12-14","longest_streak":7},{"threshold":"prcp_ge_10mm","year":1958,"days":35,"first":"1958-01-06","last":"1958-12-30","longest_streak":5},{"threshold":"prcp_ge_10mm","year":1959,"days":18,"first":"1959-02-12","last":"1959-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1960,"days":22,"first":"1960-01-16","last":"1960-12-30","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1961,"days":14,"first":"1961-01-04","last":"1961-11-26","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1966,"days":17,"first":"1966-01-04","last":"1966-11-14","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1967,"days":24,"first":"1967-01-02","last":"1967-12-25","longest_streak":5},{"threshold":"prcp_ge_10mm","year":1968,"days":22,"first":"1968-01-03","last":"1968-12-29","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1970,"days":30,"first":"1970-01-19","last":"1970-12-26","longest_streak":7},{"threshold":"prcp_ge_10mm","year":1971,"days":29,"first":"1971-01-06","last":"1971-12-29","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1973,"days":30,"first":"1973-01-27","last":"1973-12-29","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1974,"days":54,"first":"1974-01-03","last":"1974-12-31","longest_streak":7},{"threshold":"prcp_ge_10mm","year":1976,"days":30,"first":"1976-01-14","last":"1976-12-25","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1977,"days":34,"first":"1977-01-17","last":"1977-12-23","longest_streak":7},{"threshold":"prcp_ge_25mm","year":1951,"days":8,"first":"1951-01-03","last":"1951-12-27","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1952,"days":8,"first":"1952-01-21","last":"1952-12-12","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1953,"days":12,"first":"1953-01-04","last":"1953-12-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1954,"days":6,"first":"1954-01-04","last":"1954-11-04","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1955,"days":19,"first":"1955-01-22","last":"1955-12-18","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1956,"days":17,"first":"1956-01-04","last":"1956-12-27","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1957,"days":16,"first":"1957-01-03","last":"1957-12-14","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1958,"days":14,"first":"1958-01-30","last":"1958-12-30","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1959,"days":10,"first":"1959-02-13","last":"1959-12-24","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1960,"days":7,"first":"1960-01-28","last":"1960-12-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1961,"days":4,"first":"1961-01-30","last":"1961-03-04","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1966,"days":2,"first":"1966-01-26","last":"1966-02-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1967,"days":8,"first":"1967-01-02","last":"1967-12-25","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1968,"days":8,"first":"1968-01-03","last":"1968-11-27","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1970,"days":13,"first":"1970-01-20","last":"1970-12-12","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1971,"days":12,"first":"1971-01-18","last":"1971-12-25","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1973,"days":12,"first":"1973-02-01","last":"1973-12-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1974,"days":27,"first":"1974-01-04","last":"1974-11-19","longest_streak":4},{"threshold":"prcp_ge_25mm","year":1976,"days":13,"first":"1976-01-16","last":"1976-12-22","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1977,"days":13,"first":"1977-01-17","last":"1977-12-23","longest_streak":2},{"threshold":"prcp_ge_50mm","year":1951,"days":3,"first":"1951-02-02","last":"1951-12-26","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1952,"days":2,"first":"1952-11-13","last":"1952-12-12","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1953,"days":4,"first":"1953-01-17","last":"1953-12-29","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1954,"days":3,"first":"1954-02-01","last":"1954-02-20","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1955,"days":8,"first":"1955-02-18","last":"1955-03-29","longest_streak":2},{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