year,season,value
1896,Winter,0.51
1896,Spring,0.02
1896,Summer,0.55
1896,Fall,-2.49
1897,Winter,0.14
1897,Spring,-0.55
1897,Summer,-0.46
1897,Fall,0.59
1898,Winter,0.04
1898,Spring,-0.33
1898,Summer,0.38
1898,Fall,-1.77
1899,Winter,-4.28
1899,Spring,-1.54
1899,Summer,-0.24
1899,Fall,1.02
1900,Winter,-0.07
1900,Spring,0.62
1900,Summer,0.7
1900,Fall,0.79
1901,Winter,-0.24
1901,Spring,-0.49
1901,Summer,1.22
1901,Fall,-0.09
1902,Winter,-1.23
1902,Spring,0.55
1902,Summer,-0.91
1902,Fall,0.07
1903,Winter,-2.2
1903,Spring,-0.26
1903,Summer,-1.81
1903,Fall,-1.25
1904,Winter,-2.34
1904,Spring,-0.47
1904,Summer,-1.62
1904,Fall,0.46
1905,Winter,-3.54
1905,Spring,0.66
1905,Summer,-0.62
1905,Fall,-0.27
1906,Winter,0.29
1906,Spring,-1.45
1906,Summer,-0.89
1906,Fall,-0.47
1907,Winter,1.48
1907,Spring,-1.21
1907,Summer,-1.73
1907,Fall,-0.61
1908,Winter,1.16
1908,Spring,0.91
1908,Summer,-1.14
1908,Fall,-0.26
1909,Winter,1.32
1909,Spring,-1.77
1909,Summer,0.1
1909,Fall,0.55
1910,Winter,-4.06
1910,Spring,3.17
1910,Summer,-0.23
1910,Fall,0.59
1911,Winter,0.6
1911,Spring,0.82
1911,Summer,0.04
1911,Fall,-1.54
1912,Winter,-2.88
1912,Spring,-1.98
1912,Summer,-1.71
1912,Fall,-0.85
1913,Winter,-1.26
1913,Spring,-0.84
1913,Summer,0.13
1913,Fall,-0.08
1914,Winter,0.22
1914,Spring,0.06
1914,Summer,0.31
1914,Fall,0.86
1915,Winter,-1.84
1915,Spring,-1.02
1915,Summer,-2.32
1915,Fall,0.74
1916,Winter,-0.76
1916,Spring,-0.35
1916,Summer,-0.6
1916,Fall,-1.59
1917,Winter,-3.13
1917,Spring,-3.55
1917,Summer,-0.53
1917,Fall,-0.87
1918,Winter,-3.12
1918,Spring,0.94
1918,Summer,0.63
1918,Fall,-0.68
1919,Winter,0.61
1919,Spring,-0.16
1919,Summer,0.57
1919,Fall,-1.04
1920,Winter,-1.66
1920,Spring,-2.13
1920,Summer,-1.17
1920,Fall,-0.29
1921,Winter,2.57
1921,Spring,1.66
1921,Summer,0.95
1921,Fall,1.27
1922,Winter,-0.95
1922,Spring,-0.28
1922,Summer,0.58
1922,Fall,1.17
1923,Winter,0.34
1923,Spring,-1.68
1923,Summer,-0.43
1923,Fall,-0.59
1924,Winter,0.25
1924,Spring,-2.47
1924,Summer,-0.55
1924,Fall,-0.18
1925,Winter,-0.57
1925,Spring,2.07
1925,Summer,0.39
1925,Fall,-1.55
1926,Winter,1.26
1926,Spring,-0.68
1926,Summer,-0.1
1926,Fall,-0.38
1927,Winter,1.36
1927,Spring,0.28
1927,Summer,-1.65
1927,Fall,1.53
1928,Winter,-0.72
1928,Spring,-0.02
1928,Summer,-1.02
1928,Fall,-0.24
1929,Winter,-3.51
1929,Spring,0.28
1929,Summer,-0.16
1929,Fall,-1.64
1930,Winter,0.3
1930,Spring,0.43
1930,Summer,0.72
1930,Fall,-0.71
1931,Winter,1.8
1931,Spring,-0.95
1931,Summer,1.42
1931,Fall,2.48
1932,Winter,2.21
1932,Spring,-1.1
1932,Summer,0.57
1932,Fall,-0.96
1933,Winter,-1.13
1933,Spring,-0.42
1933,Summer,1.47
1933,Fall,1.6
1934,Winter,3.05
1934,Spring,2.82
1934,Summer,2.13
1934,Fall,1.57
1935,Winter,1.17
1935,Spring,-0.7
1935,Summer,0.52
1935,Fall,-0.85
1936,Winter,-4.45
1936,Spring,1.45
1936,Summer,2.6
1936,Fall,-0.33
1937,Winter,-1.88
1937,Spring,-0.63
1937,Summer,1.28
1937,Fall,-0.08
1938,Winter,1.38
1938,Spring,1.28
1938,Summer,0.69
1938,Fall,0.78
1939,Winter,0.47
1939,Spring,1.33
1939,Summer,0.73
1939,Fall,1.25
1940,Winter,-0.43
1940,Spring,-0.05
1940,Summer,0.56
1940,Fall,-0.07
1941,Winter,1.7
1941,Spring,0.26
1941,Summer,-0.12
1941,Fall,0.66
1942,Winter,0
1942,Spring,0.23
1942,Summer,-0.18
1942,Fall,0.25
1943,Winter,0.66
1943,Spring,-0.55
1943,Summer,0.76
1943,Fall,-0.57
1944,Winter,0.81
1944,Spring,-1.09
1944,Summer,-0.32
1944,Fall,0.46
1945,Winter,-0.08
1945,Spring,0.43
1945,Summer,-1.08
1945,Fall,0.16
1946,Winter,-0.45
1946,Spring,2.46
1946,Summer,-0.29
1946,Fall,-0.41
1947,Winter,0.89
1947,Spring,-0.98
1947,Summer,-0.2
1947,Fall,0.93
1948,Winter,-1.42
1948,Spring,-0.15
1948,Summer,-0.04
1948,Fall,0.07
1949,Winter,-2.09
1949,Spring,0.6
1949,Summer,0.45
1949,Fall,0.8
1950,Winter,0.85
1950,Spring,-1.94
1950,Summer,-1.68
1950,Fall,0.32
1951,Winter,0.35
1951,Spring,-1.24
1951,Summer,-0.66
1951,Fall,-1.49
1952,Winter,0.67
1952,Spring,-0.94
1952,Summer,1.16
1952,Fall,-0.63
1953,Winter,3.02
1953,Spring,-0.36
1953,Summer,0.75
1953,Fall,1.87
1954,Winter,3.1
1954,Spring,-0.25
1954,Summer,0.77
1954,Fall,1.51
1955,Winter,-0.79
1955,Spring,0.48
1955,Summer,0.22
1955,Fall,-0.5
1956,Winter,-0.57
1956,Spring,-0.29
1956,Summer,0.3
1956,Fall,0.31
1957,Winter,1.56
1957,Spring,-0.38
1957,Summer,0.14
1957,Fall,-1.51
1958,Winter,1.3
1958,Spring,-0.8
1958,Summer,-0.12
1958,Fall,0.84
1959,Winter,-0.83
1959,Spring,0.38
1959,Summer,0.84
1959,Fall,-1.31
1960,Winter,-0.26
1960,Spring,-1.65
1960,Summer,0.33
1960,Fall,1.1
1961,Winter,0.28
1961,Spring,-0.58
1961,Summer,0.41
1961,Fall,-0.96
1962,Winter,-1.24
1962,Spring,-0.26
1962,Summer,-0.7
1962,Fall,0.94
1963,Winter,-1.58
1963,Spring,1.29
1963,Summer,0.02
1963,Fall,3.03
1964,Winter,-1.83
1964,Spring,-0.4
1964,Summer,-0.27
1964,Fall,-0.28
1965,Winter,-0.11
1965,Spring,-1.54
1965,Summer,-1.23
1965,Fall,0.25
1966,Winter,-1.07
1966,Spring,0.13
1966,Summer,-0.11
1966,Fall,-0.02
1967,Winter,0.66
1967,Spring,-0.16
1967,Summer,-0.97
1967,Fall,-0.38
1968,Winter,-0.92
1968,Spring,-0.15
1968,Summer,-0.75
1968,Fall,-0.32
1969,Winter,-1.49
1969,Spring,-0.9
1969,Summer,-0.02
1969,Fall,-0.83
1970,Winter,-0.25
1970,Spring,-1.25
1970,Summer,0.63
1970,Fall,-0.83
1971,Winter,-0.07
1971,Spring,-1.53
1971,Summer,-0.13
1971,Fall,0.12
1972,Winter,0.26
1972,Spring,0.87
1972,Summer,-0.71
1972,Fall,-1.66
1973,Winter,-1.22
1973,Spring,-0.14
1973,Summer,0.21
1973,Fall,0.92
1974,Winter,0.92
1974,Spring,1.18
1974,Summer,-0.44
1974,Fall,-0.69
1975,Winter,0.69
1975,Spring,-2.29
1975,Summer,-0.53
1975,Fall,-0.18
1976,Winter,2.36
1976,Spring,0.15
1976,Summer,-0.95
1976,Fall,-2.66
1977,Winter,-2.22
1977,Spring,2.05
1977,Summer,0.78
1977,Fall,0.71
1978,Winter,-3.19
1978,Spring,-0.04
1978,Summer,0.11
1978,Fall,0.36
1979,Winter,-5.62
1979,Spring,-0.48
1979,Summer,-0.76
1979,Fall,0.21
1980,Winter,1.1
1980,Spring,-0.56
1980,Summer,1.03
1980,Fall,0.16
1981,Winter,2.5
1981,Spring,1.39
1981,Summer,0.56
1981,Fall,0.44
1982,Winter,-1.41
1982,Spring,-0.43
1982,Summer,-0.86
1982,Fall,-0.74
1983,Winter,3.04
1983,Spring,-1.8
1983,Summer,0.65
1983,Fall,0.99
1984,Winter,-1.67
1984,Spring,-1
1984,Summer,0.24
1984,Fall,-0.79
1985,Winter,-1.66
1985,Spring,2.39
1985,Summer,-0.34
1985,Fall,-1.37
1986,Winter,0.88
1986,Spring,2.46
1986,Summer,0.48
1986,Fall,-0.51
1987,Winter,2.19
1987,Spring,2.1
1987,Summer,0.4
1987,Fall,0.51
1988,Winter,-0.22
1988,Spring,0.89
1988,Summer,1.71
1988,Fall,0.4
1989,Winter,0.01
1989,Spring,1.08
1989,Summer,-0.18
1989,Fall,0.23
1990,Winter,1.41
1990,Spring,1.12
1990,Summer,0.52
1990,Fall,1.87
1991,Winter,1.14
1991,Spring,1.69
1991,Summer,0.59
1991,Fall,-0.52
1992,Winter,4.12
1992,Spring,1.88
1992,Summer,-1.9
1992,Fall,-0.46
1993,Winter,-1.11
1993,Spring,-0.06
1993,Summer,-0.98
1993,Fall,-1.72
1994,Winter,-0.43
1994,Spring,1.69
1994,Summer,0.86
1994,Fall,0.56
1995,Winter,3.33
1995,Spring,-0.46
1995,Summer,0.4
1995,Fall,0.18
1996,Winter,0.71
1996,Spring,-0.7
1996,Summer,0.58
1996,Fall,-1.3
1997,Winter,1.07
1997,Spring,-0.26
1997,Summer,-0.32
1997,Fall,0.19
1998,Winter,3.67
1998,Spring,0.7
1998,Summer,1.15
1998,Fall,2.79
1999,Winter,4.04
1999,Spring,0.55
1999,Summer,0.44
1999,Fall,2.19
2000,Winter,4.25
2000,Spring,3
2000,Summer,0.92
2000,Fall,-0.65
2001,Winter,-0.97
2001,Spring,1.54
2001,Summer,1.27
2001,Fall,2.28
2002,Winter,3.43
2002,Spring,-0.15
2002,Summer,1.79
2002,Fall,0
2003,Winter,1.33
2003,Spring,1.14
2003,Summer,1.33
2003,Fall,1.07
2004,Winter,0.84
2004,Spring,3.08
2004,Summer,-1.02
2004,Fall,1.45
2005,Winter,3.23
2005,Spring,0.46
2005,Summer,1.17
2005,Fall,2.37
2006,Winter,3.26
2006,Spring,2.47
2006,Summer,2.12
2006,Fall,-0.23
2007,Winter,1.21
2007,Spring,2.59
2007,Summer,1.67
2007,Fall,2.16
2008,Winter,0.5
2008,Spring,-0.38
2008,Summer,0.59
2008,Fall,0.82
2009,Winter,1
2009,Spring,0.89
2009,Summer,-0.38
2009,Fall,0.69
2010,Winter,-1.53
2010,Spring,1.31
2010,Summer,1.68
2010,Fall,1.43
2011,Winter,-0.49
2011,Spring,0.47
2011,Summer,2.25
2011,Fall,1.43
2012,Winter,4.11
2012,Spring,5.26
2012,Summer,2.3
2012,Fall,1.19
2013,Winter,2.08
2013,Spring,-0.44
2013,Summer,1.13
2013,Fall,0.45
2014,Winter,-0.98
2014,Spring,0.24
2014,Summer,0.31
2014,Fall,0.58
2015,Winter,2.06
2015,Spring,2.24
2015,Summer,1.35
2015,Fall,3.24
2016,Winter,4.55
2016,Spring,2.75
2016,Summer,2.1
2016,Fall,4.05
2017,Winter,3.67
2017,Spring,2.59
2017,Summer,1.29
2017,Fall,2.11
2018,Winter,1.76
2018,Spring,1.51
2018,Summer,2.1
2018,Fall,0.2
2019,Winter,1.07
2019,Spring,-0.05
2019,Summer,0.96
2019,Fall,0.31
2020,Winter,3.82
2020,Spring,1.7
2020,Summer,2.15
2020,Fall,1.95
2021,Winter,1.41
2021,Spring,1.66
2021,Summer,2.6
2021,Fall,3.06
2022,Winter,2.49
2022,Spring,1.31
2022,Summer,2.55
2022,Fall,1.18
2023,Winter,2.67
2023,Spring,0.54
2023,Summer,1.6
2023,Fall,2.5