{"title":"Boston: Days with 25 mm or more rain, days by year","description":"Days by year for Days with 25 mm or more rain in Boston.","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/cities/boston/days-over-25mm-rain/","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_25mm","year":1936,"days":17,"first":"1936-01-03","last":"1936-12-20","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1937,"days":12,"first":"1937-03-15","last":"1937-12-06","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1938,"days":13,"first":"1938-01-01","last":"1938-11-19","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1939,"days":5,"first":"1939-01-30","last":"1939-11-05","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1940,"days":10,"first":"1940-02-14","last":"1940-12-16","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1941,"days":9,"first":"1941-01-25","last":"1941-12-14","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1942,"days":12,"first":"1942-01-19","last":"1942-12-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1943,"days":3,"first":"1943-01-28","last":"1943-10-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1944,"days":11,"first":"1944-01-06","last":"1944-11-30","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1945,"days":10,"first":"1945-02-08","last":"1945-12-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1946,"days":10,"first":"1946-01-21","last":"1946-12-21","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1947,"days":10,"first":"1947-03-02","last":"1947-12-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1948,"days":5,"first":"1948-01-21","last":"1948-11-20","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1949,"days":3,"first":"1949-09-01","last":"1949-11-04","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1950,"days":8,"first":"1950-02-15","last":"1950-12-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1951,"days":12,"first":"1951-03-20","last":"1951-12-18","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1952,"days":10,"first":"1952-01-05","last":"1952-12-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1953,"days":20,"first":"1953-01-03","last":"1953-12-14","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1954,"days":15,"first":"1954-04-17","last":"1954-12-18","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1955,"days":16,"first":"1955-02-11","last":"1955-11-05","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1956,"days":10,"first":"1956-01-09","last":"1956-12-14","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1957,"days":4,"first":"1957-04-05","last":"1957-12-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1958,"days":19,"first":"1958-01-07","last":"1958-12-04","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1959,"days":13,"first":"1959-01-02","last":"1959-12-28","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1960,"days":15,"first":"1960-02-19","last":"1960-12-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1961,"days":15,"first":"1961-01-01","last":"1961-10-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1962,"days":11,"first":"1962-01-06","last":"1962-12-06","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1963,"days":7,"first":"1963-02-12","last":"1963-11-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1964,"days":10,"first":"1964-01-20","last":"1964-12-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1965,"days":4,"first":"1965-01-24","last":"1965-09-13","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1966,"days":8,"first":"1966-01-23","last":"1966-11-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1967,"days":13,"first":"1967-01-27","last":"1967-12-28","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1968,"days":12,"first":"1968-01-25","last":"1968-12-28","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1969,"days":14,"first":"1969-02-09","last":"1969-12-27","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1970,"days":9,"first":"1970-02-03","last":"1970-12-17","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1971,"days":7,"first":"1971-02-08","last":"1971-11-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1972,"days":14,"first":"1972-02-03","last":"1972-12-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1973,"days":10,"first":"1973-01-29","last":"1973-12-17","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1974,"days":9,"first":"1974-02-19","last":"1974-12-02","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1975,"days":13,"first":"1975-01-07","last":"1975-12-26","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1976,"days":7,"first":"1976-01-28","last":"1976-12-07","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1977,"days":14,"first":"1977-01-07","last":"1977-12-21","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1978,"days":8,"first":"1978-01-09","last":"1978-12-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1979,"days":13,"first":"1979-01-02","last":"1979-11-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1980,"days":6,"first":"1980-03-14","last":"1980-11-18","longest_streak":1},{"th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