{"title":"Altamont: threshold days by year","description":"Days at or beyond each fixed threshold at Altamont, 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/USC00400116/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":1930,"days":25,"first":"1930-01-10","last":"1930-11-18","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1949,"days":52,"first":"1949-01-04","last":"1949-12-23","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1950,"days":66,"first":"1950-01-03","last":"1950-12-29","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1951,"days":49,"first":"1951-01-04","last":"1951-12-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1952,"days":47,"first":"1952-01-05","last":"1952-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1953,"days":42,"first":"1953-01-03","last":"1953-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1954,"days":45,"first":"1954-01-03","last":"1954-12-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1955,"days":55,"first":"1955-01-06","last":"1955-12-18","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1956,"days":41,"first":"1956-01-19","last":"1956-12-23","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1957,"days":61,"first":"1957-01-05","last":"1957-12-26","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1958,"days":39,"first":"1958-01-14","last":"1958-12-28","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1959,"days":47,"first":"1959-01-16","last":"1959-12-28","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1960,"days":43,"first":"1960-01-03","last":"1960-12-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1961,"days":48,"first":"1961-01-01","last":"1961-12-18","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1930,"days":7,"first":"1930-02-13","last":"1930-11-10","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1949,"days":16,"first":"1949-01-04","last":"1949-12-13","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1950,"days":19,"first":"1950-01-06","last":"1950-12-03","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1951,"days":21,"first":"1951-01-04","last":"1951-12-21","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1952,"days":16,"first":"1952-01-10","last":"1952-12-31","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1953,"days":17,"first":"1953-01-10","last":"1953-12-14","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1954,"days":15,"first":"1954-01-15","last":"1954-12-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1955,"days":19,"first":"1955-02-06","last":"1955-12-04","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1956,"days":12,"first":"1956-01-30","last":"1956-12-23","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1957,"days":27,"first":"1957-01-05","last":"1957-12-20","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1958,"days":14,"first":"1958-02-27","last":"1958-11-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1959,"days":14,"first":"1959-01-16","last":"1959-12-28","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1960,"days":13,"first":"1960-03-03","last":"1960-12-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1961,"days":24,"first":"1961-02-19","last":"1961-12-18","longest_streak":3},{"threshold":"prcp_ge_50mm","year":1949,"days":2,"first":"1949-01-04","last":"1949-01-05","longest_streak":2},{"threshold":"prcp_ge_50mm","year":1950,"days":5,"first":"1950-01-06","last":"1950-03-13","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1951,"days":3,"first":"1951-02-01","last":"1951-12-15","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1952,"days":3,"first":"1952-01-27","last":"1952-06-22","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1953,"days":5,"first":"1953-02-12","last":"1953-09-05","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1954,"days":4,"first":"1954-01-15","last":"1954-12-29","longest_streak":2},{"threshold":"prcp_ge_50mm","year":1955,"days":6,"first":"1955-02-06","last":"1955-12-04","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1956,"days":4,"first":"1956-01-30","last":"1956-12-13","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1957,"days":11,"first":"1957-01-28","last":"1957-12-20","longest_streak":2},{"threshold":"prcp_ge_50mm","year":1958,"days":4,"first":"1958-04-25","last":"1958-09-21","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1959,"days":4,"first":"1959-03-27","last":"1959-12-19","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1960,"days":2,"first":"1960-08-09","last":"1960-09-17","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1961,"days":4,"first":"1961-03-08","last":"1961-12-18","longest_streak":2},{"threshold":"prcp_ge_100mm","year":1954,"days":1,"first":"1954-12-29","last":"1954-12-29","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1956,"days":1,"first":"1956-12-13","last":"1956-12-13","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1958,"days":1,"first":"1958-09-21","last":"1958-09-21","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1959,"days":1,"first":"1959-07-25","last":"1959-07-25","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1961,"days":1,"first":"1961-03-08","last":"1961-03-08","longest_streak":1}]}