year,min_low,t1_doy,t2_doy
1878,-10,254.0,291.0
1879,-16,229.0,297.0
1880,-17,252.0,291.0
1881,6,254.0,313.0
1882,-17,245.0,315.0
1883,-10,235.0,293.0
1884,-18,222.0,297.0
1885,0,238.0,277.0
1886,-20,243.0,274.0
1887,-13,236.0,287.0
1888,11,222.0,277.0
1889,4,217.0,270.0
1890,3,234.0,300.0
1891,-10,190.0,292.0
1892,-16,243.0,297.0
1893,-8,224.0,288.0
1894,-8,216.0,307.0
1895,0,190.0,282.0
1896,-2,240.0,292.0
1897,-13,229.0,302.0
1898,-10,250.0,287.0
1899,-5,254.0,272.0
1900,-2,259.0,311.0
1901,-18,245.0,277.0
1902,-7,247.0,287.0
1903,-9,253.0,291.0
1904,-6,239.0,297.0
1905,1,274.0,285.0
1906,1,239.0,283.0
1907,11,253.0,285.0
1908,-7,270.0,273.0
1909,-12,248.0,285.0
1910,0,238.0,301.0
1911,-9,198.0,295.0
1912,4,261.0,297.0
1913,6,256.0,292.0
1914,-15,247.0,299.0
1915,7,237.0,282.0
1916,-14,241.0,273.0
1917,-17,253.0,281.0
1918,5,248.0,304.0
1919,-19,243.0,290.0
1920,-6,272.0,303.0
1921,-5,268.0,312.0
1922,-7,253.0,285.0
1923,-5,234.0,294.0
1924,-21,246.0,312.0
1925,-9,264.0,283.0
1926,-5,267.0,269.0
1927,-9,262.0,306.0
1928,0,237.0,303.0
1929,-6,227.0,310.0
1930,9,260.0,291.0
1931,14,267.0,310.0
1932,-15,258.0,295.0
1933,-6,264.0,297.0
1934,-4,235.0,301.0
1935,-6,240.0,277.0
1936,-4,261.0,295.0
1937,-1,256.0,286.0
1938,-1,259.0,297.0
1939,-2,264.0,286.0
1940,-2,233.0,311.0
1941,5,252.0,300.0
1942,-6,236.0,267.0
1943,-9,251.0,288.0
1944,-8,251.0,309.0
1945,-10,191.0,282.0
1946,-8,240.0,285.0
1947,9,258.0,311.0
1948,-7,254.0,291.0
1949,-2,243.0,298.0
1950,-7,231.0,277.0
1951,-15,255.0,271.0
1952,1,246.0,279.0
1953,-2,247.0,300.0
1954,9,251.0,303.0
1955,-9,244.0,288.0
1956,-5,233.0,312.0
1957,2,250.0,298.0
1958,-11,237.0,274.0
1959,-2,253.0,282.0
1960,-5,254.0,293.0
1961,-14,257.0,293.0
1962,-15,248.0,297.0
1963,-16,255.0,302.0
1964,-9,225.0,283.0
1965,9,244.0,297.0
1966,1,235.0,290.0
1967,-9,184.0,284.0
1968,-15,250.0,278.0
1969,2,252.0,287.0
1970,4,254.0,289.0
1971,6,211.0,304.0
1972,-10,187.0,274.0
1973,-9,259.0,308.0
1974,9,246.0,275.0
1975,-3,254.0,292.0
1976,-12,254.0,280.0
1977,-5,263.0,289.0
1978,-2,264.0,311.0
1979,-2,257.0,286.0
1980,-5,254.0,286.0
1981,-9,259.0,292.0
1982,4,261.0,294.0
1983,-19,263.0,287.0
1984,-5,258.0,270.0
1985,-16,258.0,274.0
1986,0,239.0,287.0
1987,4,244.0,276.0
1988,-1,241.0,279.0
1989,-22,219.0,280.0
1990,-11,258.0,291.0
1991,-4,261.0,280.0
1992,0,241.0,291.0
1993,-3,253.0,283.0
1994,-4,265.0,298.0
1995,-6,251.0,265.0
1996,-6,256.0,304.0
1997,11,254.0,293.0
1998,-10,265.0,308.0
1999,-9,253.0,277.0
2000,-12,259.0,280.0
2001,4,267.0,290.0
2002,9,259.0,289.0
2003,8,258.0,275.0
2004,-7,225.0,276.0
2005,-8,259.0,300.0
2006,3,256.0,285.0
2007,7,254.0,301.0
2008,-7,249.0,301.0
2009,-6,242.0,283.0
2010,1,247.0,302.0
2011,4,257.0,294.0
2012,2,262.0,280.0
2013,-14,257.0,298.0
2014,0,255.0,304.0
2015,14,255.0,317.0
2016,-12,281.0,317.0
2017,-15,249.0,301.0
2018,10,264.0,288.0
2019,-1,269.0,284.0
2020,2,252.0,293.0
2021,11,265.0,305.0
2022,-11,255.0,288.0
2023,11,261.0,300.0
2024,6,251.0,290.0