year,snow_date,snow_doy,days,snowfree_doy,snowfall
1939,1940-03-21,446,1,447,1.1
1940,1941-03-13,438,1,439,1.4
1941,1942-03-16,440,1,441,1.0
1942,1943-03-19,443,4,447,1.4
1943,1944-03-28,453,2,455,1.7
1944,1945-04-03,459,1,460,1.2
1947,1948-03-27,452,1,453,1.5
1948,1949-04-13,469,1,470,1.8
1949,1950-04-28,483,1,484,1.2
1950,1951-03-23,447,3,450,1.5
1951,1952-04-13,469,1,470,3.3
1952,1953-02-15,412,3,415,3.3
1953,1954-03-29,453,4,457,3.7
1954,1955-03-24,448,4,452,1.3
1955,1956-03-07,432,3,435,1.9
1956,1957-03-24,449,5,454,5.9
1957,1958-03-05,429,1,430,2.4
1958,1959-04-20,475,2,477,3.5
1959,1960-04-30,486,1,487,1.0
1960,1961-03-20,445,2,447,2.4
1961,1962-03-08,432,16,448,8.0
1962,1963-03-11,435,1,436,1.4
1963,1964-03-27,452,4,456,3.0
1964,1965-03-12,437,4,441,1.2
1965,1966-01-12,377,26,403,2.8
1966,1967-02-01,397,4,401,1.7
1967,1968-02-28,424,3,427,1.2
1968,1969-03-23,448,1,449,1.2
1969,1970-04-01,456,2,458,3.9
1970,1971-03-05,429,4,433,3.8
1971,1972-02-09,405,15,420,1.8
1972,1973-04-15,471,1,472,1.3
1973,1974-02-21,417,7,424,5.1
1974,1975-04-02,457,4,461,4.5
1975,1976-02-21,417,6,423,9.8
1976,1977-04-03,459,1,460,1.7
1977,1978-03-25,449,2,451,1.0
1978,1979-04-04,459,1,460,1.0
1979,1980-04-11,467,1,468,2.5
1980,1981-02-09,406,6,412,5.6
1981,1982-04-08,463,3,466,1.2
1982,1983-04-17,472,2,474,8.2
1983,1984-03-20,445,4,449,4.1
1984,1985-03-30,455,3,458,2.9
1985,1986-02-07,403,20,423,1.3
1986,1987-03-29,453,3,456,2.3
1987,1988-02-10,406,7,413,3.3
1988,1989-02-19,416,17,433,1.3
1989,1990-02-14,410,8,418,4.0
1990,1991-01-29,394,5,399,1.8
1991,1992-02-15,411,1,412,1.3
1992,1993-03-18,443,1,444,3.0
1993,1994-02-25,421,7,428,2.7
1994,1995-03-06,430,5,435,2.3
1995,1996-03-25,450,1,451,1.0
1996,1997-04-11,467,2,469,1.5
1997,1998-03-08,432,14,446,11.0
1998,1999-04-16,471,1,472,2.8
1999,2000-04-07,463,2,465,1.7
2000,2001-03-15,440,5,445,5.0
2001,2002-03-02,426,4,430,1.8
2002,2003-04-07,462,3,465,2.2
2003,2004-03-16,441,3,444,1.3
2004,2005-02-07,404,5,409,1.5
2005,2006-03-21,445,2,447,4.3
2006,2007-04-11,466,2,468,4.1
2007,2008-03-02,427,9,436,3.6
2008,2009-04-04,460,2,462,1.3
2009,2010-03-20,444,2,446,1.9
2010,2011-03-29,453,1,454,1.7
2011,2012-02-23,419,4,423,3.7
2012,2013-05-02,488,2,490,3.5
2013,2014-03-15,439,2,441,1.8
2014,2015-02-25,421,5,426,1.4
2015,2016-02-14,410,4,414,2.2
2016,2017-03-20,445,1,446,1.0
2017,2018-04-15,470,2,472,2.3
2018,2019-03-07,431,6,437,1.8
2019,2020-04-17,473,1,474,1.6
2020,2021-03-14,439,1,440,1.3
2021,2022-04-17,472,1,473,1.4
2022,2023-03-16,440,2,442,1.1
2023,2024-02-16,412,3,415,4.2
2024,2025-03-04,429,2,431,2.7