| Rank | Year | Team | W | L | T | PF | PA | EWP | EWPN |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1991 | Washington | 12 | 0 | 0 | 495 | 115 | 0.975 | 92.90 |
| 2 | 1916 | Washington | 3 | 0 | 1 | 62 | 10 | 0.906 | 85.67 |
| 3 | 1925 | Washington | 5 | 1 | 1 | 113 | 50 | 0.894 | 86.42 |
| 4 | 2016 | Washington | 12 | 2 | 0 | 585 | 248 | 0.894 | 89.67 |
| 5 | 2000 | Washington | 11 | 1 | 0 | 387 | 270 | 0.882 | 87.88 |
| 6 | 1990 | Washington | 10 | 2 | 0 | 440 | 184 | 0.880 | 87.74 |
| 7 | 1940 | Washington | 7 | 2 | 0 | 169 | 54 | 0.872 | 85.61 |
| 8 | 1962 | Washington | 7 | 1 | 2 | 208 | 83 | 0.867 | 85.05 |
| 9 | 1984 | Washington | 11 | 1 | 0 | 352 | 145 | 0.858 | 87.02 |
| 10 | 1959 | Washington | 10 | 1 | 0 | 253 | 73 | 0.856 | 85.54 |
| 11 | 1932 | Washington | 4 | 2 | 2 | 94 | 49 | 0.854 | 83.89 |
| 12 | 1936 | Washington | 7 | 2 | 1 | 148 | 56 | 0.850 | 84.66 |
| 13 | 1992 | Washington | 9 | 3 | 0 | 337 | 186 | 0.850 | 87.27 |
| 14 | 1996 | Washington | 9 | 3 | 0 | 391 | 254 | 0.847 | 85.59 |
| 15 | 1997 | Washington | 8 | 4 | 0 | 420 | 259 | 0.847 | 85.69 |
| 16 | 1979 | Washington | 9 | 3 | 0 | 321 | 154 | 0.846 | 85.52 |
| 17 | 1960 | Washington | 10 | 1 | 0 | 272 | 107 | 0.841 | 83.27 |
| 18 | 1986 | Washington | 8 | 3 | 1 | 378 | 197 | 0.840 | 85.44 |
| 19 | 1931 | Washington | 4 | 3 | 1 | 89 | 83 | 0.839 | 82.73 |
| 20 | 1982 | Washington | 10 | 2 | 0 | 354 | 193 | 0.838 | 84.20 |
| 21 | 1970 | Washington | 6 | 4 | 0 | 334 | 216 | 0.824 | 83.03 |
| 22 | 1978 | Washington | 7 | 4 | 0 | 270 | 155 | 0.822 | 84.49 |
| 23 | 2013 | Washington | 9 | 4 | 0 | 493 | 297 | 0.820 | 83.38 |
| 24 | 1924 | Washington | 4 | 1 | 1 | 137 | 24 | 0.817 | 81.70 |
| 25 | 1989 | Washington | 8 | 4 | 0 | 332 | 225 | 0.816 | 82.82 |
| 26 | 2017 | Washington | 10 | 3 | 0 | 471 | 209 | 0.814 | 83.85 |
| 27 | 1923 | Washington | 6 | 1 | 1 | 145 | 51 | 0.813 | 80.91 |
| 28 | 1919 | Washington | 2 | 1 | 0 | 33 | 31 | 0.813 | 81.12 |
| 29 | 1981 | Washington | 10 | 2 | 0 | 281 | 171 | 0.813 | 83.82 |
| 30 | 1971 | Washington | 8 | 3 | 0 | 357 | 188 | 0.812 | 83.48 |
| 31 | 1977 | Washington | 8 | 4 | 0 | 344 | 194 | 0.808 | 83.18 |
| 32 | 1922 | Washington | 4 | 1 | 1 | 54 | 72 | 0.803 | 80.37 |
| 33 | 1950 | Washington | 8 | 2 | 0 | 265 | 134 | 0.803 | 82.21 |
| 34 | 1980 | Washington | 9 | 3 | 0 | 333 | 198 | 0.796 | 82.58 |
| 35 | 1935 | Washington | 5 | 3 | 0 | 93 | 42 | 0.786 | 80.78 |
| 36 | 1926 | Washington | 4 | 2 | 0 | 88 | 60 | 0.776 | 79.50 |
| 37 | 1993 | Washington | 7 | 4 | 0 | 288 | 198 | 0.763 | 80.71 |
| 38 | 2018 | Washington | 10 | 4 | 0 | 369 | 229 | 0.760 | 80.86 |
| 39 | 1952 | Washington | 7 | 3 | 0 | 248 | 201 | 0.759 | 79.11 |
| 40 | 1972 | Washington | 8 | 3 | 0 | 208 | 204 | 0.756 | 79.97 |
| 41 | 1927 | Washington | 4 | 2 | 0 | 79 | 46 | 0.753 | 79.44 |
| 42 | 1941 | Washington | 5 | 4 | 0 | 120 | 94 | 0.750 | 78.99 |
| 43 | 1937 | Washington | 5 | 2 | 2 | 99 | 33 | 0.744 | 78.53 |
| 44 | 1934 | Washington | 5 | 1 | 1 | 70 | 51 | 0.742 | 78.32 |
| 45 | 1933 | Washington | 4 | 4 | 0 | 74 | 75 | 0.742 | 77.97 |
| 46 | 1995 | Washington | 7 | 4 | 1 | 312 | 280 | 0.734 | 78.79 |
| 47 | 1963 | Washington | 6 | 5 | 0 | 183 | 141 | 0.731 | 78.46 |
| 48 | 1964 | Washington | 6 | 4 | 0 | 139 | 110 | 0.726 | 78.71 |
| 49 | 2019 | Washington | 8 | 5 | 0 | 416 | 252 | 0.720 | 78.24 |
| 50 | 1994 | Washington | 7 | 4 | 0 | 295 | 233 | 0.717 | 77.85 |
| 51 | 1975 | Washington | 6 | 5 | 0 | 196 | 250 | 0.697 | 76.75 |
| 52 | 2001 | Washington | 8 | 4 | 0 | 353 | 370 | 0.690 | 76.43 |
| 53 | 1988 | Washington | 6 | 5 | 0 | 254 | 223 | 0.688 | 75.91 |
| 54 | 1965 | Washington | 5 | 5 | 0 | 205 | 185 | 0.685 | 76.03 |
| 55 | 1956 | Washington | 5 | 5 | 0 | 232 | 206 | 0.685 | 75.25 |
| 56 | 2015 | Washington | 7 | 6 | 0 | 398 | 244 | 0.682 | 75.84 |
| 57 | 1983 | Washington | 8 | 4 | 0 | 285 | 178 | 0.680 | 76.01 |
| 58 | 2002 | Washington | 7 | 6 | 0 | 398 | 342 | 0.675 | 75.55 |
| 59 | 2010 | Washington | 7 | 6 | 0 | 284 | 381 | 0.669 | 75.18 |
| 60 | 1955 | Washington | 5 | 4 | 1 | 141 | 93 | 0.664 | 74.26 |
| 61 | 1928 | Washington | 2 | 4 | 0 | 31 | 74 | 0.654 | 73.22 |
| 62 | 1987 | Washington | 7 | 4 | 1 | 295 | 254 | 0.638 | 73.20 |
| 63 | 2014 | Washington | 8 | 6 | 0 | 423 | 347 | 0.636 | 73.19 |
| 64 | 1966 | Washington | 6 | 4 | 0 | 171 | 141 | 0.630 | 72.62 |
| 65 | 1945 | Washington | 6 | 3 | 0 | 91 | 54 | 0.629 | 71.94 |
| 66 | 1985 | Washington | 7 | 5 | 0 | 238 | 225 | 0.625 | 72.49 |
| 67 | 1976 | Washington | 5 | 6 | 0 | 237 | 207 | 0.613 | 71.96 |
| 68 | 1999 | Washington | 7 | 5 | 0 | 331 | 302 | 0.612 | 72.24 |
| 69 | 1974 | Washington | 5 | 6 | 0 | 272 | 285 | 0.610 | 71.47 |
| 70 | 1998 | Washington | 6 | 6 | 0 | 303 | 343 | 0.609 | 71.43 |
| 71 | 2011 | Washington | 7 | 6 | 0 | 434 | 467 | 0.609 | 71.78 |
| 72 | 2012 | Washington | 7 | 6 | 0 | 312 | 314 | 0.609 | 71.53 |
| 73 | 1938 | Washington | 3 | 5 | 1 | 68 | 83 | 0.603 | 70.70 |
| 74 | 1944 | Washington | 1 | 3 | 0 | 46 | 120 | 0.596 | 69.82 |
| 75 | 1949 | Washington | 3 | 7 | 0 | 167 | 285 | 0.588 | 69.78 |
| 76 | 1947 | Washington | 3 | 6 | 0 | 98 | 99 | 0.580 | 69.45 |
| 77 | 1951 | Washington | 3 | 6 | 1 | 273 | 218 | 0.570 | 69.11 |
| 78 | 1961 | Washington | 5 | 4 | 1 | 119 | 98 | 0.566 | 68.94 |
| 79 | 2006 | Washington | 5 | 7 | 0 | 262 | 311 | 0.562 | 68.91 |
| 80 | 1957 | Washington | 3 | 6 | 1 | 120 | 212 | 0.559 | 68.37 |
| 81 | 1967 | Washington | 5 | 5 | 0 | 136 | 130 | 0.551 | 68.02 |
| 82 | 2009 | Washington | 5 | 7 | 0 | 313 | 320 | 0.545 | 67.72 |
| 83 | 1968 | Washington | 3 | 5 | 2 | 154 | 177 | 0.543 | 67.37 |
| 84 | 2007 | Washington | 4 | 9 | 0 | 380 | 411 | 0.537 | 67.27 |
| 85 | 1946 | Washington | 5 | 4 | 0 | 144 | 140 | 0.528 | 66.49 |
| 86 | 1942 | Washington | 3 | 3 | 3 | 86 | 60 | 0.524 | 66.43 |
| 87 | 2003 | Washington | 6 | 6 | 0 | 312 | 316 | 0.514 | 65.90 |
| 88 | 1939 | Washington | 4 | 5 | 0 | 77 | 93 | 0.499 | 64.84 |
| 89 | 1958 | Washington | 3 | 7 | 0 | 102 | 146 | 0.486 | 64.21 |
| 90 | 1953 | Washington | 3 | 6 | 1 | 154 | 217 | 0.477 | 63.68 |
| 91 | 1921 | Washington | 0 | 4 | 1 | 10 | 131 | 0.466 | 63.01 |
| 92 | 1920 | Washington | 0 | 4 | 0 | 7 | 51 | 0.463 | 63.00 |
| 93 | 1930 | Washington | 3 | 4 | 0 | 74 | 67 | 0.454 | 62.27 |
| 94 | 1948 | Washington | 2 | 7 | 1 | 89 | 189 | 0.425 | 61.11 |
| 95 | 1969 | Washington | 1 | 9 | 0 | 116 | 304 | 0.420 | 60.64 |
| 96 | 2005 | Washington | 2 | 9 | 0 | 237 | 337 | 0.392 | 58.62 |
| 97 | 1973 | Washington | 2 | 8 | 0 | 211 | 366 | 0.315 | 54.83 |
| 98 | 1954 | Washington | 2 | 8 | 0 | 78 | 215 | 0.311 | 54.45 |
| 99 | 2004 | Washington | 1 | 10 | 0 | 154 | 334 | 0.305 | 53.27 |
| 100 | 1929 | Washington | 0 | 6 | 1 | 25 | 127 | 0.302 | 54.27 |
| 101 | 2008 | Washington | 0 | 12 | 0 | 159 | 463 | 0.142 | 42.76 |