year,min_low,t1_doy,t2_doy
1893,-11,268.0,268.0
1894,-14,261.0,282.0
1895,-7,273.0,273.0
1896,-1,263.0,280.0
1897,-15,282.0,302.0
1898,-15,286.0,299.0
1899,-8,272.0,272.0
1900,-3,281.0,312.0
1901,-19,277.0,277.0
1902,-7,256.0,287.0
1903,-10,291.0,297.0
1904,-6,280.0,297.0
1905,-1,284.0,285.0
1906,-5,274.0,283.0
1907,6,268.0,268.0
1908,-12,272.0,273.0
1909,-14,286.0,286.0
1910,-8,295.0,300.0
1911,-15,294.0,294.0
1912,2,270.0,273.0
1913,6,265.0,265.0
1914,-22,298.0,300.0
1915,-1,278.0,282.0
1916,-17,262.0,273.0
1917,-24,279.0,279.0
1918,4,264.0,264.0
1919,-23,284.0,284.0
1920,-13,275.0,275.0
1921,-11,277.0,285.0
1922,-18,285.0,290.0
1923,-5,293.0,294.0
1924,-21,274.0,296.0
1925,-12,283.0,283.0
1926,-7,269.0,297.0
1927,-11,287.0,309.0
1928,-6,270.0,300.0
1929,-7,261.0,309.0
1930,6,290.0,291.0
1931,8,306.0,308.0
1932,-22,280.0,285.0
1933,-16,285.0,295.0
1934,-7,270.0,301.0
1935,-11,277.0,277.0
1936,-7,296.0,296.0
1937,-6,269.0,287.0
1938,-6,297.0,297.0
1939,-3,273.0,287.0
1940,-5,311.0,312.0
1941,-5,300.0,301.0
1942,-9,267.0,270.0
1943,-8,288.0,289.0
1944,-17,284.0,296.0
1945,-9,272.0,282.0
1946,-14,308.0,309.0
1947,1,311.0,312.0
1948,-5,291.0,291.0
1949,-6,272.0,297.0
1950,-12,277.0,298.0
1951,-15,271.0,297.0
1952,-6,277.0,280.0
1953,-5,300.0,300.0
1954,3,291.0,304.0
1955,-11,288.0,297.0
1956,-13,274.0,314.0
1957,1,292.0,298.0
1958,-17,274.0,310.0
1959,-8,282.0,285.0
1960,-10,293.0,293.0
1961,-18,271.0,293.0
1962,-17,297.0,297.0
1963,-16,302.0,305.0
1964,-12,283.0,283.0
1965,6,285.0,297.0
1966,-2,274.0,290.0
1967,-14,284.0,284.0
1968,-10,278.0,278.0
1969,0,287.0,287.0
1970,-4,283.0,318.0
1971,4,283.0,304.0
1972,-12,274.0,289.0
1973,-14,303.0,303.0
1974,5,265.0,275.0
1975,-5,275.0,298.0
1976,-17,280.0,282.0
1977,-8,285.0,289.0
1978,-10,281.0,292.0
1979,-4,278.0,286.0
1980,-10,279.0,286.0
1981,-12,275.0,292.0
1982,-5,289.0,294.0
1983,-21,266.0,286.0
1984,-3,270.0,297.0
1985,-22,274.0,274.0
1986,-8,287.0,287.0
1987,5,276.0,276.0
1988,-3,278.0,296.0
1989,-24,266.0,292.0
1990,-15,283.0,283.0
1991,-6,262.0,280.0
1992,-4,291.0,291.0
1993,-9,282.0,283.0
1994,-10,298.0,299.0
1995,-6,265.0,295.0
1996,-9,283.0,305.0
1997,8,293.0,294.0
1998,-13,295.0,309.0
1999,-14,277.0,277.0
2000,-18,280.0,281.0
2001,3,279.0,289.0
2002,2,280.0,287.0
2003,5,272.0,274.0
2004,-9,276.0,308.0
2005,-15,281.0,300.0
2006,2,285.0,286.0
2007,4,296.0,302.0
2008,-12,302.0,302.0
2009,-10,283.0,283.0
2010,-4,302.0,302.0
2011,4,276.0,294.0
2012,-2,267.0,280.0
2013,-19,295.0,298.0
2014,-4,304.0,304.0
2015,7,290.0,324.0
2016,-17,287.0,288.0
2017,-13,301.0,302.0
2018,6,288.0,294.0
2019,-5,285.0,285.0
2020,-1,276.0,298.0
2021,6,295.0,297.0
2022,-13,281.0,281.0
2023,7,283.0,301.0
2024,3,290.0,290.0