category,annual_mean_mm,5_yr_smooth_mm 1901,1123.54,855.31 1902,720.45,854.23 1903,648.56,853.89 1904,746.89,855.01 1905,871.14,858.33 1906,879.67,864.58 1907,975.13,874.34 1908,825.95,887.09 1909,1104.53,901.81 1910,1048.64,917.38 1911,915.67,932.75 1912,754.03,946.91 1913,929.05,959.2 1914,916.58,969.16 1915,1018.46,976.44 1916,740.8,980.68 1917,1242.17,981.49 1918,1164.66,978.69 1919,748.99,972.41 1920,1026.59,962.8 1921,1018.08,949.96 1922,920.28,934.11 1923,717.53,915.64 1924,962.7,895.74 1925,999.6,875.67 1926,800.85,856.87 1927,842.42,840.59 1928,697.17,828.03 1929,1015.62,819.76 1930,807.29,816.2 1931,690.6,817.71 1932,890.62,824.66 1933,769.73,837.36 1934,1041.45,854.89 1935,658.23,875.75 1936,1015.62,898.38 1937,880.81,921.32 1938,916.89,942.88 1939,1094.52,961.28 1940,960.03,974.39 1941,691.49,980.04 1942,1128.02,976.04 1943,1213.96,960.29 1944,860.48,933.11 1945,684.41,899.37 1946,824.76,864.73 1947,953.3,834.6 1948,793.47,814.47 1949,959.61,808.26 1950,805.28,814.48 1951,744.36,830.37 1952,785.03,853.21 1953,819.01,880.34 1954,902.93,908.87 1955,1000.78,936.03 1956,1020.77,958.95 1957,1122.21,974.77 1958,934.97,980.52 1959,870.26,973.62 1960,973.4,954.93 1961,881.97,927.87 1962,805.52,896.15 1963,897.32,863.27 1964,908.4,832.81 1965,735.73,808 1966,802.1,792.01 1967,969.75,787.72 1968,706.42,798.13 1969,925.23,826.3 1970,782.63,871.39 1971,918.58,923.97 1972,910.98,973.29 1973,945.28,1008.62 1974,938.31,1018.99 1975,1055.43,997.21 1976,1071.75,951.72 1977,914.45,895.35 1978,1017.72,841.38 1979,704.63,802.65 1980,705.01,790.59 1981,885.68,803.03 1982,646.67,830.33 1983,821.52,862.88 1984,962.36,891.09 1985,887.02,905.69 1986,794.93,904.47 1987,1054.47,892.1 1988,1015.11,873.49 1989,960.72,853.46 1990,707.48,837.01 1991,892.96,827.4 1992,560.65,825.32 1993,833.84,831.28 1994,735.95,845.69 1995,903.16,869.03 1996,1058.42,900.25 1997,1048.79,933.82 1998,914.73,963.01 1999,895.14,981.38 2000,1218.28,982.42 2001,923.55,961.25 2002,791.68,923.7 2003,731.84,879.32 2004,820.19,837.66 2005,686.99,808.24 2006,1020.44,799.98 2007,924.14,811.45 2008,890.17,834.55 2009,828.94,861.12 2010,770.38,882.76 2011,870.99,891.52 2012,924.03,885.51 2013,820.09,870.12 2014,860.28,851.29 2015,832.88,834.87 2016,871.41,826.68 2017,865.75,830.17 2018,832.99,843.52 2019,826.91,864.26 2020,843.69,889.93 2021,964.84,918.14