{"title":"Grootdam: threshold days by year","description":"Days at or beyond each fixed threshold at Grootdam, 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/SF001215980/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":1915,"days":9,"first":"1915-01-19","last":"1915-12-29","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1916,"days":11,"first":"1916-03-01","last":"1916-12-17","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1917,"days":14,"first":"1917-02-19","last":"1917-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1918,"days":16,"first":"1918-01-01","last":"1918-12-02","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1919,"days":7,"first":"1919-02-15","last":"1919-12-29","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1920,"days":9,"first":"1920-01-29","last":"1920-12-18","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1921,"days":12,"first":"1921-02-10","last":"1921-12-27","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1925,"days":21,"first":"1925-01-30","last":"1925-12-05","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1926,"days":8,"first":"1926-01-26","last":"1926-12-27","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1930,"days":9,"first":"1930-01-20","last":"1930-12-14","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1931,"days":11,"first":"1931-01-15","last":"1931-12-31","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1932,"days":10,"first":"1932-01-01","last":"1932-12-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1933,"days":10,"first":"1933-02-12","last":"1933-11-29","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1934,"days":15,"first":"1934-01-07","last":"1934-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1935,"days":9,"first":"1935-02-05","last":"1935-11-01","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1936,"days":9,"first":"1936-02-13","last":"1936-12-10","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1937,"days":9,"first":"1937-01-22","last":"1937-12-06","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1938,"days":7,"first":"1938-01-21","last":"1938-11-09","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1939,"days":10,"first":"1939-01-29","last":"1939-09-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1940,"days":14,"first":"1940-01-19","last":"1940-11-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1942,"days":10,"first":"1942-01-27","last":"1942-11-03","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1943,"days":18,"first":"1943-01-21","last":"1943-12-31","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1944,"days":13,"first":"1944-01-13","last":"1944-10-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1945,"days":8,"first":"1945-01-06","last":"1945-10-04","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1946,"days":11,"first":"1946-01-08","last":"1946-11-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1947,"days":11,"first":"1947-01-14","last":"1947-12-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1948,"days":9,"first":"1948-01-28","last":"1948-12-16","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1949,"days":4,"first":"1949-03-04","last":"1949-12-10","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1950,"days":20,"first":"1950-01-05","last":"1950-12-29","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1951,"days":10,"first":"1951-01-01","last":"1951-10-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1952,"days":15,"first":"1952-02-11","last":"1952-12-16","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1953,"days":18,"first":"1953-01-06","last":"1953-12-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1954,"days":9,"first":"1954-02-07","last":"1954-11-05","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1955,"days":14,"first":"1955-01-26","last":"1955-11-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1956,"days":11,"first":"1956-01-16","last":"1956-12-07","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1957,"days":11,"first":"1957-01-07","last":"1957-12-31","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1958,"days":10,"first":"1958-01-13","last":"1958-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1959,"days":13,"first":"1959-01-25","last":"1959-12-03","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1960,"days":10,"first":"1960-01-17","last":"1960-12-28","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1961,"days":11,"first":"1961-01-14","last":"1961-12-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1962,"days":9,"first":"1962-01-18","last":"1962-11-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1963,"days":19,"first":"1963-01-02","last":"1963-12-08","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1964,"days":10,"first":"1964-01-19","last":"1964-12-13","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1965,"days":7,"first":"1965-06-16","last":"1965-11-16","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1966,"days":4,"first":"1966-01-19","last":"1966-09-03","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1967,"days":16,"first":"1967-01-01","last":"1967-10-30","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1968,"days":8,"first":"1968-03-08","last":"1968-12-07","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1969,"days":10,"first":"1969-01-05","last":"1969-10-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1970,"days":11,"first":"1970-02-01","last":"1970-12-24","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1971,"days":13,"first":"1971-01-18","last":"1971-11-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1972,"days":14,"first":"1972-01-09","last":"1972-10-13","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1973,"days":16,"first":"1973-02-17","last":"1973-12-22","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1974,"days":22,"first":"1974-01-10","last":"1974-12-09","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1975,"days":15,"first":"1975-01-22","last":"1975-12-22","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1976,"days":24,"first":"1976-01-05","last":"1976-12-26","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1977,"days":13,"first":"1977-01-08","last":"1977-11-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1978,"days":6,"first":"1978-03-02","last":"1978-12-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1979,"days":16,"first":"1979-01-25","last":"1979-11-18","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1980,"days":4,"first":"1980-02-06","last":"1980-12-12","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1981,"days":16,"first":"1981-01-24","last":"1981-12-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1982,"days":16,"first":"1982-01-23","last":"1982-11-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1983,"days":16,"first":"1983-02-01","last":"1983-12-20","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1984,"days":9,"first":"1984-01-11","last":"1984-11-27","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1985,"days":26,"first":"1985-01-12","last":"1985-12-19","longest_streak":5},{"threshold":"prcp_ge_10mm","year":1986,"days":15,"first":"1986-01-02","last":"1986-11-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1987,"days":10,"first":"1987-02-09","last":"1987-10-18","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1988,"days":22,"first":"1988-01-14","last":"1988-12-24","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1989,"days":18,"first":"1989-01-02","last":"1989-12-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1990,"days":5,"first":"1990-02-08","last":"1990-03-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1991,"days":14,"first":"1991-01-21","last":"1991-12-11","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1992,"days":3,"first":"1992-02-27","last":"1992-08-08","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1993,"days":11,"first":"1993-02-12","last":"1993-12-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1994,"days":10,"first":"1994-01-08","last":"1994-12-26","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1995,"days":8,"first":"1995-01-13","last":"1995-12-16","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1996,"days":15,"first":"1996-01-14","last":"1996-12-29","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1997,"days":11,"first":"1997-01-07","last":"1997-11-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1916,"days":2,"first":"1916-03-01","last":"1916-05-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1917,"days":2,"first":"1917-09-08","last":"1917-10-02","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1918,"days":1,"first":"1918-03-14","last":"1918-03-14","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1919,"days":2,"first":"1919-03-15","last":"1919-04-07","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1920,"days":5,"first":"1920-02-20","last":"1920-12-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1921,"days":2,"first":"1921-04-09","last":"1921-10-02","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1925,"days":7,"first":"1925-01-30","last":"1925-11-14","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1926,"days":1,"first":"1926-01-26","last":"1926-01-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1930,"days":1,"first":"1930-03-06","last":"1930-03-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1931,"days":1,"first":"1931-12-31","last":"1931-12-31","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1932,"days":2,"first":"1932-01-01","last":"1932-09-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1934,"days":6,"first":"1934-01-10","last":"1934-12-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1935,"days":3,"first":"1935-02-05","last":"1935-05-12","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1937,"days":3,"first":"1937-01-22","last":"1937-12-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1938,"days":1,"first":"1938-10-28","last":"1938-10-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1939,"days":1,"first":"1939-02-15","last":"1939-02-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1940,"days":2,"first":"1940-01-19","last":"1940-02-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1942,"days":2,"first":"1942-03-03","last":"1942-10-12","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1943,"days":3,"first":"1943-01-21","last":"1943-05-12","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1944,"days":4,"first":"1944-03-07","last":"1944-05-28","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1945,"days":2,"first":"1945-03-11","last":"1945-03-16","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1946,"days":1,"first":"1946-10-21","last":"1946-10-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1948,"days":1,"first":"1948-01-28","last":"1948-01-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1949,"days":1,"first":"1949-03-04","last":"1949-03-04","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1950,"days":5,"first":"1950-01-05","last":"1950-12-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1951,"days":2,"first":"1951-03-26","last":"1951-09-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1952,"days":4,"first":"1952-03-01","last":"1952-12-14","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1953,"days":5,"first":"1953-02-23","last":"1953-12-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1954,"days":1,"first":"1954-04-30","last":"1954-04-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1955,"days":1,"first":"1955-11-28","last":"1955-11-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1956,"days":7,"first":"1956-03-14","last":"1956-12-07","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1957,"days":1,"first":"1957-12-29","last":"1957-12-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1958,"days":3,"first":"1958-01-13","last":"1958-09-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1959,"days":4,"first":"1959-01-25","last":"1959-12-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1960,"days":3,"first":"1960-02-13","last":"1960-12-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1961,"days":1,"first":"1961-08-28","last":"1961-08-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1962,"days":1,"first":"1962-02-23","last":"1962-02-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1963,"days":6,"first":"1963-01-26","last":"1963-11-11","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1964,"days":3,"first":"1964-02-01","last":"1964-08-18","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1965,"days":1,"first":"1965-11-03","last":"1965-11-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1966,"days":1,"first":"1966-02-02","last":"1966-02-02","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1967,"days":1,"first":"1967-01-29","last":"1967-01-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1968,"days":3,"first":"1968-03-28","last":"1968-12-07","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1970,"days":4,"first":"1970-06-25","last":"1970-12-05","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1971,"days":1,"first":"1971-03-23","last":"1971-03-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1972,"days":2,"first":"1972-01-15","last":"1972-02-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1973,"days":1,"first":"1973-10-22","last":"1973-10-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1974,"days":10,"first":"1974-01-20","last":"1974-08-18","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1975,"days":5,"first":"1975-02-11","last":"1975-12-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1976,"days":4,"first":"1976-01-25","last":"1976-03-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1977,"days":1,"first":"1977-01-28","last":"1977-01-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1978,"days":3,"first":"1978-03-02","last":"1978-12-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1979,"days":4,"first":"1979-01-25","last":"1979-10-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1980,"days":1,"first":"1980-12-12","last":"1980-12-12","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1981,"days":4,"first":"1981-03-23","last":"1981-12-04","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1982,"days":1,"first":"1982-01-23","last":"1982-01-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1983,"days":2,"first":"1983-07-25","last":"1983-12-20","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1984,"days":3,"first":"1984-08-29","last":"1984-11-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1985,"days":5,"first":"1985-01-15","last":"1985-12-19","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1986,"days":6,"first":"1986-01-17","last":"1986-10-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1987,"days":3,"first":"1987-06-12","last":"1987-09-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1988,"days":2,"first":"1988-02-19","last":"1988-12-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1989,"days":3,"first":"1989-01-02","last":"1989-11-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1990,"days":1,"first":"1990-03-06","last":"1990-03-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1991,"days":1,"first":"1991-11-09","last":"1991-11-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1992,"days":2,"first":"1992-02-27","last":"1992-06-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1993,"days":1,"first":"1993-10-26","last":"1993-10-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1994,"days":1,"first":"1994-07-25","last":"1994-07-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1995,"days":2,"first":"1995-02-28","last":"1995-11-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1996,"days":6,"first":"1996-01-22","last":"1996-12-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1997,"days":4,"first":"1997-01-07","last":"1997-11-01","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1918,"days":1,"first":"1918-03-14","last":"1918-03-14","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1920,"days":1,"first":"1920-03-11","last":"1920-03-11","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1925,"days":1,"first":"1925-03-02","last":"1925-03-02","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1937,"days":1,"first":"1937-12-06","last":"1937-12-06","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1942,"days":1,"first":"1942-03-03","last":"1942-03-03","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1944,"days":1,"first":"1944-03-07","last":"1944-03-07","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1953,"days":1,"first":"1953-12-11","last":"1953-12-11","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1956,"days":1,"first":"1956-11-01","last":"1956-11-01","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1965,"days":1,"first":"1965-11-03","last":"1965-11-03","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1968,"days":1,"first":"1968-10-22","last":"1968-10-22","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1970,"days":1,"first":"1970-08-26","last":"1970-08-26","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1974,"days":2,"first":"1974-01-23","last":"1974-03-03","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1976,"days":1,"first":"1976-01-25","last":"1976-01-25","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1981,"days":1,"first":"1981-03-24","last":"1981-03-24","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1983,"days":1,"first":"1983-07-25","last":"1983-07-25","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1989,"days":1,"first":"1989-11-15","last":"1989-11-15","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1997,"days":1,"first":"1997-11-01","last":"1997-11-01","longest_streak":1}]}