{"title":"Massena Snell Lock: threshold days by year","description":"Days at or beyond each fixed threshold at Massena Snell Lock, 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/USC00305129/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":1940,"days":24,"first":"1940-03-15","last":"1940-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1941,"days":15,"first":"1941-02-08","last":"1941-12-24","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1942,"days":26,"first":"1942-01-02","last":"1942-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1943,"days":23,"first":"1943-02-06","last":"1943-11-09","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1944,"days":15,"first":"1944-02-15","last":"1944-12-12","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1945,"days":27,"first":"1945-04-01","last":"1945-12-25","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1946,"days":28,"first":"1946-01-09","last":"1946-12-28","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1947,"days":40,"first":"1947-01-02","last":"1947-12-16","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1948,"days":22,"first":"1948-02-14","last":"1948-12-31","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1949,"days":21,"first":"1949-02-13","last":"1949-12-18","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1950,"days":26,"first":"1950-01-04","last":"1950-12-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1951,"days":26,"first":"1951-01-03","last":"1951-12-21","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1952,"days":30,"first":"1952-01-18","last":"1952-12-11","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1953,"days":26,"first":"1953-01-24","last":"1953-12-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1954,"days":36,"first":"1954-02-16","last":"1954-12-30","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1955,"days":18,"first":"1955-03-11","last":"1955-10-21","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1956,"days":17,"first":"1956-03-08","last":"1956-12-07","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1957,"days":24,"first":"1957-01-22","last":"1957-12-26","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1940,"days":5,"first":"1940-05-15","last":"1940-10-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1941,"days":1,"first":"1941-07-08","last":"1941-07-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1942,"days":4,"first":"1942-07-28","last":"1942-12-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1943,"days":3,"first":"1943-05-12","last":"1943-10-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1944,"days":1,"first":"1944-12-12","last":"1944-12-12","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1945,"days":6,"first":"1945-05-18","last":"1945-12-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1946,"days":5,"first":"1946-03-09","last":"1946-12-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1947,"days":4,"first":"1947-06-02","last":"1947-07-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1948,"days":3,"first":"1948-07-23","last":"1948-12-31","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1949,"days":4,"first":"1949-04-06","last":"1949-10-04","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1950,"days":6,"first":"1950-07-12","last":"1950-12-04","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1951,"days":3,"first":"1951-02-07","last":"1951-07-04","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1952,"days":5,"first":"1952-05-12","last":"1952-12-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1953,"days":5,"first":"1953-05-15","last":"1953-09-05","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1954,"days":7,"first":"1954-04-16","last":"1954-12-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1955,"days":5,"first":"1955-03-22","last":"1955-08-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1956,"days":1,"first":"1956-05-27","last":"1956-05-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1957,"days":4,"first":"1957-05-15","last":"1957-12-26","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1940,"days":1,"first":"1940-05-15","last":"1940-05-15","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1943,"days":1,"first":"1943-05-12","last":"1943-05-12","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1945,"days":1,"first":"1945-09-18","last":"1945-09-18","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1947,"days":1,"first":"1947-07-07","last":"1947-07-07","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1950,"days":1,"first":"1950-11-04","last":"1950-11-04","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1952,"days":1,"first":"1952-08-16","last":"1952-08-16","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1953,"days":1,"first":"1953-07-06","last":"1953-07-06","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1955,"days":1,"first":"1955-08-07","last":"1955-08-07","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1956,"days":1,"first":"1956-05-27","last":"1956-05-27","longest_streak":1},{"threshold":"p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