region_cd,year,runoff_mmd,rank,percentile US,1901,0.61113,81,34.68 US,1902,0.60118,86,30.65 US,1903,0.71290,30,75.81 US,1904,0.57962,96,22.58 US,1905,0.51828,111,10.48 US,1906,0.60017,87,29.84 US,1907,0.68739,40,67.74 US,1908,0.67121,48,61.29 US,1909,0.66478,53,57.26 US,1910,0.57270,98,20.97 US,1911,0.53357,106,14.52 US,1912,0.73905,21,83.06 US,1913,0.63555,69,44.35 US,1914,0.59704,91,26.61 US,1915,0.61393,78,37.10 US,1916,0.80936,7,94.35 US,1917,0.64771,61,50.81 US,1918,0.54382,105,15.32 US,1919,0.62854,74,40.32 US,1920,0.68565,41,66.94 US,1921,0.65237,58,53.23 US,1922,0.69081,38,69.35 US,1923,0.58786,93,25.00 US,1924,0.59310,92,25.81 US,1925,0.51603,112,9.68 US,1926,0.52621,110,11.29 US,1927,0.75771,13,89.52 US,1928,0.73741,22,82.26 US,1929,0.65676,55,55.65 US,1930,0.52943,108,12.90 US,1931,0.36985,123,0.81 US,1932,0.59894,90,27.42 US,1933,0.65669,56,54.84 US,1934,0.45205,122,1.61 US,1935,0.64329,65,47.58 US,1936,0.57336,97,21.77 US,1937,0.62867,73,41.13 US,1938,0.69970,34,72.58 US,1939,0.56251,101,18.55 US,1940,0.49301,118,4.84 US,1941,0.50617,115,7.26 US,1942,0.63646,68,45.16 US,1943,0.71465,29,76.61 US,1944,0.55951,102,17.74 US,1945,0.69927,35,71.77 US,1946,0.71173,31,75.00 US,1947,0.66404,54,56.45 US,1948,0.67643,46,62.90 US,1949,0.70710,32,74.19 US,1950,0.74302,20,83.87 US,1951,0.73155,24,80.65 US,1952,0.71860,27,78.23 US,1953,0.59922,89,28.23 US,1954,0.51407,113,8.87 US,1955,0.52734,109,12.10 US,1956,0.61196,79,36.29 US,1957,0.61149,80,35.48 US,1958,0.75017,18,85.48 US,1959,0.56387,100,19.35 US,1960,0.68558,42,66.13 US,1961,0.65088,59,52.42 US,1962,0.64215,66,46.77 US,1963,0.50377,116,6.45 US,1964,0.55240,104,16.13 US,1965,0.64727,63,49.19 US,1966,0.53161,107,13.71 US,1967,0.58122,94,24.19 US,1968,0.60781,84,32.26 US,1969,0.69490,36,70.97 US,1970,0.61092,83,33.06 US,1971,0.66705,51,58.87 US,1972,0.70708,33,73.39 US,1973,0.86948,4,96.77 US,1974,0.88043,3,97.58 US,1975,0.79975,10,91.94 US,1976,0.64944,60,51.61 US,1977,0.47228,120,3.23 US,1978,0.73579,23,81.45 US,1979,0.75448,14,88.71 US,1980,0.67705,45,63.71 US,1981,0.48461,119,4.03 US,1982,0.71532,28,77.42 US,1983,0.89056,2,98.39 US,1984,0.80889,8,93.55 US,1985,0.60478,85,31.45 US,1986,0.66757,50,59.68 US,1987,0.61899,77,37.90 US,1988,0.45475,121,2.42 US,1989,0.64360,64,48.39 US,1990,0.68056,44,64.52 US,1991,0.72363,25,79.84 US,1992,0.56842,99,20.16 US,1993,0.81262,6,95.16 US,1994,0.64759,62,50.00 US,1995,0.71902,26,79.03 US,1996,0.76691,12,90.32 US,1997,0.84661,5,95.97 US,1998,0.79980,9,92.74 US,1999,0.66686,52,58.06 US,2000,0.49922,117,5.65 US,2001,0.50960,114,8.06 US,2002,0.58115,95,23.39 US,2003,0.69240,37,70.16 US,2004,0.66757,49,60.48 US,2005,0.68958,39,68.55 US,2006,0.60004,88,29.03 US,2007,0.61097,82,33.87 US,2008,0.67284,47,62.10 US,2009,0.63528,70,43.55 US,2010,0.75439,15,87.90 US,2011,0.74993,19,84.68 US,2012,0.55350,103,16.94 US,2013,0.64101,67,45.97 US,2014,0.62554,75,39.52 US,2015,0.63077,72,41.94 US,2016,0.75033,17,86.29 US,2017,0.75171,16,87.10 US,2018,0.68506,43,65.32 US,2019,0.95297,1,99.19 US,2020,0.77454,11,91.13 US,2021,0.65622,57,54.03 US,2022,0.62492,76,38.71 US,2023,0.63144,71,42.74