year,spring,fall,spring_date,fall_date,season,fall_sday,spring_sday 1893,126,268,1893-05-06T00:00:00,1893-09-25T00:00:00,142,0925,0506 1894,139,261,1894-05-19T00:00:00,1894-09-18T00:00:00,122,0918,0519 1895,134,273,1895-05-14T00:00:00,1895-09-30T00:00:00,139,0930,0514 1896,97,263,1896-04-06T00:00:00,1896-09-19T00:00:00,166,0919,0406 1897,110,282,1897-04-20T00:00:00,1897-10-09T00:00:00,172,1009,0420 1898,105,286,1898-04-15T00:00:00,1898-10-13T00:00:00,181,1013,0415 1899,109,272,1899-04-19T00:00:00,1899-09-29T00:00:00,163,0929,0419 1900,102,281,1900-04-12T00:00:00,1900-10-08T00:00:00,179,1008,0412 1901,110,277,1901-04-20T00:00:00,1901-10-04T00:00:00,167,1004,0420 1902,114,256,1902-04-24T00:00:00,1902-09-13T00:00:00,142,0913,0424 1903,121,291,1903-05-01T00:00:00,1903-10-18T00:00:00,170,1018,0501 1904,112,280,1904-04-21T00:00:00,1904-10-06T00:00:00,168,1006,0421 1905,112,284,1905-04-22T00:00:00,1905-10-11T00:00:00,172,1011,0422 1906,129,274,1906-05-09T00:00:00,1906-10-01T00:00:00,145,1001,0509 1907,140,268,1907-05-20T00:00:00,1907-09-25T00:00:00,128,0925,0520 1908,123,272,1908-05-02T00:00:00,1908-09-28T00:00:00,149,0928,0502 1909,130,286,1909-05-10T00:00:00,1909-10-13T00:00:00,156,1013,0510 1910,134,295,1910-05-14T00:00:00,1910-10-22T00:00:00,161,1022,0514 1911,113,294,1911-04-23T00:00:00,1911-10-21T00:00:00,181,1021,0423 1912,111,270,1912-04-20T00:00:00,1912-09-26T00:00:00,159,0926,0420 1913,118,265,1913-04-28T00:00:00,1913-09-22T00:00:00,147,0922,0428 1914,109,298,1914-04-19T00:00:00,1914-10-25T00:00:00,189,1025,0419 1915,129,278,1915-05-09T00:00:00,1915-10-05T00:00:00,149,1005,0509 1916,100,262,1916-04-09T00:00:00,1916-09-18T00:00:00,162,0918,0409 1917,127,279,1917-05-07T00:00:00,1917-10-06T00:00:00,152,1006,0507 1918,121,264,1918-05-01T00:00:00,1918-09-21T00:00:00,143,0921,0501 1919,117,284,1919-04-27T00:00:00,1919-10-11T00:00:00,167,1011,0427 1920,105,275,1920-04-14T00:00:00,1920-10-01T00:00:00,170,1001,0414 1921,136,277,1921-05-16T00:00:00,1921-10-04T00:00:00,141,1004,0516 1922,110,285,1922-04-20T00:00:00,1922-10-12T00:00:00,175,1012,0420 1923,129,293,1923-05-09T00:00:00,1923-10-20T00:00:00,164,1020,0509 1924,113,274,1924-04-22T00:00:00,1924-09-30T00:00:00,161,0930,0422 1925,131,283,1925-05-11T00:00:00,1925-10-10T00:00:00,152,1010,0511 1926,118,269,1926-04-28T00:00:00,1926-09-26T00:00:00,151,0926,0428 1927,114,287,1927-04-24T00:00:00,1927-10-14T00:00:00,173,1014,0424 1928,119,270,1928-04-28T00:00:00,1928-09-26T00:00:00,151,0926,0428 1929,127,261,1929-05-07T00:00:00,1929-09-18T00:00:00,134,0918,0507 1930,115,290,1930-04-25T00:00:00,1930-10-17T00:00:00,175,1017,0425 1931,127,306,1931-05-07T00:00:00,1931-11-02T00:00:00,179,1102,0507 1932,118,280,1932-04-27T00:00:00,1932-10-06T00:00:00,162,1006,0427 1933,117,285,1933-04-27T00:00:00,1933-10-12T00:00:00,168,1012,0427 1934,117,270,1934-04-27T00:00:00,1934-09-27T00:00:00,153,0927,0427 1935,124,277,1935-05-04T00:00:00,1935-10-04T00:00:00,153,1004,0504 1936,114,296,1936-04-23T00:00:00,1936-10-22T00:00:00,182,1022,0423 1937,101,269,1937-04-11T00:00:00,1937-09-26T00:00:00,168,0926,0411 1938,112,297,1938-04-22T00:00:00,1938-10-24T00:00:00,185,1024,0422 1939,112,273,1939-04-22T00:00:00,1939-09-30T00:00:00,161,0930,0422 1940,124,311,1940-05-03T00:00:00,1940-11-06T00:00:00,187,1106,0503 1941,114,300,1941-04-24T00:00:00,1941-10-27T00:00:00,186,1027,0424 1942,101,267,1942-04-11T00:00:00,1942-09-24T00:00:00,166,0924,0411 1943,111,288,1943-04-21T00:00:00,1943-10-15T00:00:00,177,1015,0421 1944,127,284,1944-05-06T00:00:00,1944-10-10T00:00:00,157,1010,0506 1945,129,272,1945-05-09T00:00:00,1945-09-29T00:00:00,143,0929,0509 1946,132,308,1946-05-12T00:00:00,1946-11-04T00:00:00,176,1104,0512 1947,149,311,1947-05-29T00:00:00,1947-11-07T00:00:00,162,1107,0529 1948,105,291,1948-04-14T00:00:00,1948-10-17T00:00:00,186,1017,0414 1949,114,272,1949-04-24T00:00:00,1949-09-29T00:00:00,158,0929,0424 1950,121,277,1950-05-01T00:00:00,1950-10-04T00:00:00,156,1004,0501 1951,113,271,1951-04-23T00:00:00,1951-09-28T00:00:00,158,0928,0423 1952,107,277,1952-04-16T00:00:00,1952-10-03T00:00:00,170,1003,0416 1953,111,300,1953-04-21T00:00:00,1953-10-27T00:00:00,189,1027,0421 1954,127,291,1954-05-07T00:00:00,1954-10-18T00:00:00,164,1018,0507 1955,97,288,1955-04-07T00:00:00,1955-10-15T00:00:00,191,1015,0407 1956,121,274,1956-04-30T00:00:00,1956-09-30T00:00:00,153,0930,0430 1957,104,292,1957-04-14T00:00:00,1957-10-19T00:00:00,188,1019,0414 1958,119,274,1958-04-29T00:00:00,1958-10-01T00:00:00,155,1001,0429 1959,112,282,1959-04-22T00:00:00,1959-10-09T00:00:00,170,1009,0422 1960,109,293,1960-04-18T00:00:00,1960-10-19T00:00:00,184,1019,0418 1961,116,271,1961-04-26T00:00:00,1961-09-28T00:00:00,155,0928,0426 1962,107,297,1962-04-17T00:00:00,1962-10-24T00:00:00,190,1024,0417 1963,114,302,1963-04-24T00:00:00,1963-10-29T00:00:00,188,1029,0424 1964,101,283,1964-04-10T00:00:00,1964-10-09T00:00:00,182,1009,0410 1965,109,285,1965-04-19T00:00:00,1965-10-12T00:00:00,176,1012,0419 1966,130,274,1966-05-10T00:00:00,1966-10-01T00:00:00,144,1001,0510 1967,123,284,1967-05-03T00:00:00,1967-10-11T00:00:00,161,1011,0503 1968,116,278,1968-04-25T00:00:00,1968-10-04T00:00:00,162,1004,0425 1969,96,287,1969-04-06T00:00:00,1969-10-14T00:00:00,191,1014,0406 1970,122,283,1970-05-02T00:00:00,1970-10-10T00:00:00,161,1010,0502 1971,104,283,1971-04-14T00:00:00,1971-10-10T00:00:00,179,1010,0414 1972,116,274,1972-04-25T00:00:00,1972-09-30T00:00:00,158,0930,0425 1973,122,303,1973-05-02T00:00:00,1973-10-30T00:00:00,181,1030,0502 1974,105,265,1974-04-15T00:00:00,1974-09-22T00:00:00,160,0922,0415 1975,110,275,1975-04-20T00:00:00,1975-10-02T00:00:00,165,1002,0420 1976,124,280,1976-05-03T00:00:00,1976-10-06T00:00:00,156,1006,0503 1977,96,285,1977-04-06T00:00:00,1977-10-12T00:00:00,189,1012,0406 1978,111,281,1978-04-21T00:00:00,1978-10-08T00:00:00,170,1008,0421 1979,118,278,1979-04-28T00:00:00,1979-10-05T00:00:00,160,1005,0428 1980,129,279,1980-05-08T00:00:00,1980-10-05T00:00:00,150,1005,0508 1981,131,275,1981-05-11T00:00:00,1981-10-02T00:00:00,144,1002,0511 1982,111,289,1982-04-21T00:00:00,1982-10-16T00:00:00,178,1016,0421 1983,110,266,1983-04-20T00:00:00,1983-09-23T00:00:00,156,0923,0420 1984,92,270,1984-04-01T00:00:00,1984-09-26T00:00:00,178,0926,0401 1985,99,274,1985-04-09T00:00:00,1985-10-01T00:00:00,175,1001,0409 1986,122,287,1986-05-02T00:00:00,1986-10-14T00:00:00,165,1014,0502 1987,95,276,1987-04-05T00:00:00,1987-10-03T00:00:00,181,1003,0405 1988,115,278,1988-04-24T00:00:00,1988-10-04T00:00:00,163,1004,0424 1989,126,266,1989-05-06T00:00:00,1989-09-23T00:00:00,140,0923,0506 1990,121,283,1990-05-01T00:00:00,1990-10-10T00:00:00,162,1010,0501 1991,100,262,1991-04-10T00:00:00,1991-09-19T00:00:00,162,0919,0410 1992,113,291,1992-04-22T00:00:00,1992-10-17T00:00:00,178,1017,0422 1993,110,282,1993-04-20T00:00:00,1993-10-09T00:00:00,172,1009,0420 1994,119,298,1994-04-29T00:00:00,1994-10-25T00:00:00,179,1025,0429 1995,100,265,1995-04-10T00:00:00,1995-09-22T00:00:00,165,0922,0410 1996,114,283,1996-04-23T00:00:00,1996-10-09T00:00:00,169,1009,0423 1997,133,293,1997-05-13T00:00:00,1997-10-20T00:00:00,160,1020,0513 1998,95,295,1998-04-05T00:00:00,1998-10-22T00:00:00,200,1022,0405 1999,109,277,1999-04-19T00:00:00,1999-10-04T00:00:00,168,1004,0419 2000,104,280,2000-04-13T00:00:00,2000-10-06T00:00:00,176,1006,0413 2001,109,279,2001-04-19T00:00:00,2001-10-06T00:00:00,170,1006,0419 2002,97,280,2002-04-07T00:00:00,2002-10-07T00:00:00,183,1007,0407 2003,101,272,2003-04-11T00:00:00,2003-09-29T00:00:00,171,0929,0411 2004,125,276,2004-05-04T00:00:00,2004-10-02T00:00:00,151,1002,0504 2005,125,281,2005-05-05T00:00:00,2005-10-08T00:00:00,156,1008,0505 2006,117,285,2006-04-27T00:00:00,2006-10-12T00:00:00,168,1012,0427 2007,104,296,2007-04-14T00:00:00,2007-10-23T00:00:00,192,1023,0414 2008,121,302,2008-04-30T00:00:00,2008-10-28T00:00:00,181,1028,0430 2009,106,283,2009-04-16T00:00:00,2009-10-10T00:00:00,177,1010,0416 2010,130,302,2010-05-10T00:00:00,2010-10-29T00:00:00,172,1029,0510 2011,124,276,2011-05-04T00:00:00,2011-10-03T00:00:00,152,1003,0504 2012,104,267,2012-04-13T00:00:00,2012-09-23T00:00:00,163,0923,0413 2013,124,295,2013-05-04T00:00:00,2013-10-22T00:00:00,171,1022,0504 2014,109,304,2014-04-19T00:00:00,2014-10-31T00:00:00,195,1031,0419 2015,114,290,2015-04-24T00:00:00,2015-10-17T00:00:00,176,1017,0424 2016,104,287,2016-04-13T00:00:00,2016-10-13T00:00:00,183,1013,0413 2017,98,301,2017-04-08T00:00:00,2017-10-28T00:00:00,203,1028,0408 2018,111,288,2018-04-21T00:00:00,2018-10-15T00:00:00,177,1015,0421 2019,119,285,2019-04-29T00:00:00,2019-10-12T00:00:00,166,1012,0429 2020,131,276,2020-05-10T00:00:00,2020-10-02T00:00:00,145,1002,0510 2021,113,295,2021-04-23T00:00:00,2021-10-22T00:00:00,182,1022,0423 2022,117,281,2022-04-27T00:00:00,2022-10-08T00:00:00,164,1008,0427 2023,115,283,2023-04-25T00:00:00,2023-10-10T00:00:00,168,1010,0425 2024,113,290,2024-04-22T00:00:00,2024-10-16T00:00:00,177,1016,0422 2025,99,306,2025-04-09T00:00:00,2025-11-02T00:00:00,207,1102,0409