category,annual_mean_mm,5_yr_smooth_mm
1901,680.29,572.95
1902,509.84,564.33
1903,484.44,556.33
1904,545.1,549.59
1905,436.85,544.71
1906,583.49,542.34
1907,664.06,542.95
1908,425.17,545.99
1909,699.22,550.41
1910,609.74,555.1
1911,582.29,559.01
1912,373.02,561.14
1913,520.88,561.56
1914,631.71,561.26
1915,645.15,561.23
1916,421.24,562.51
1917,608.93,566.09
1918,700.8,572.16
1919,476.62,579.75
1920,590.92,587.76
1921,666.41,595.15
1922,438.2,600.79
1923,660.47,603.74
1924,683.83,603.4
1925,701,599.21
1926,453.49,590.62
1927,485.84,577.09
1928,515.26,558.58
1929,666.13,537.63
1930,569.65,517.83
1931,477.08,502.59
1932,524.99,495.39
1933,532.04,499.28
1934,534.86,512.79
1935,290.15,531.78
1936,617.89,552.05
1937,572.29,569.46
1938,558.71,579.84
1939,749.3,581.98
1940,608.59,577.62
1941,432.59,568.61
1942,575.29,556.85
1943,570.89,544.21
1944,513.53,532.33
1945,465.01,522.37
1946,536.98,515.54
1947,501.58,512.96
1948,633.62,515.76
1949,586.21,524.6
1950,431.05,538.11
1951,479.34,554.58
1952,495.91,572.3
1953,667.87,589.58
1954,601.18,604.58
1955,778.18,615.49
1956,563.5,620.38
1957,532.82,617.32
1958,661.88,604.4
1959,513.28,579.99
1960,561.63,546.46
1961,544.46,509.13
1962,496.17,473.71
1963,408.68,445.59
1964,456.87,430.18
1965,299.06,429.58
1966,473.94,441.47
1967,579.35,463.17
1968,489.34,492.04
1969,625.14,525.51
1970,407.39,560.75
1971,620.1,595.11
1972,607.7,625.87
1973,596.02,650.35
1974,624.53,665.7
1975,710.88,669.97
1976,696.37,664.37
1977,726.35,651.01
1978,721.51,632.08
1979,462.96,609.72
1980,656.4,585.99
1981,617.32,562.37
1982,398.68,540.25
1983,441.38,520.8
1984,479.44,505.28
1985,589.64,494.85
1986,474.96,489.54
1987,540.41,488.11
1988,555.07,489.34
1989,558.76,491.99
1990,431.49,494.82
1991,530.66,497.47
1992,363.33,501.05
1993,500.25,506.81
1994,375.05,515.96
1995,576.33,529.76
1996,713.61,548.23
1997,608.88,567.8
1998,551.68,583.96
1999,503.78,592.43
2000,787.94,588.82
2001,593.55,569.97
2002,330.77,540.53
2003,415.12,507.76
2004,534.77,478.99
2005,415.94,461.53
2006,645.5,462.11
2007,451.17,478.85
2008,426.91,504.26
2009,639.46,530.81
2010,526.18,550.75
2011,559.16,556.73
2012,466.38,547.24
2013,572.03,527.69
2014,500.9,504.09
2015,381.68,482.29
2016,546.26,468.17
2017,493.02,465.2
2018,493.75,471.69
2019,461.44,485.25
2020,501.1,503.54
2021,517.75,524.25