| Rank | Year | Team | W | L | T | PF | PA | EWP | EWPN |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1924 | Idaho | 4 | 2 | 1 | 95 | 32 | 0.832 | 82.51 |
| 2 | 1923 | Idaho | 4 | 2 | 1 | 81 | 26 | 0.747 | 77.47 |
| 3 | 1927 | Idaho | 3 | 0 | 2 | 80 | 32 | 0.646 | 73.26 |
| 4 | 1931 | Idaho | 2 | 4 | 0 | 43 | 99 | 0.590 | 69.73 |
| 5 | 1938 | Idaho | 5 | 3 | 1 | 106 | 94 | 0.541 | 67.17 |
| 6 | 1933 | Idaho | 2 | 4 | 0 | 44 | 89 | 0.534 | 66.65 |
| 7 | 1964 | Idaho | 4 | 6 | 0 | 144 | 143 | 0.515 | 65.83 |
| 8 | 1921 | Idaho | 1 | 2 | 1 | 48 | 47 | 0.504 | 65.00 |
| 9 | 1957 | Idaho | 3 | 4 | 1 | 120 | 102 | 0.496 | 64.80 |
| 10 | 1971 | Idaho | 4 | 2 | 0 | 88 | 92 | 0.484 | 64.01 |
| 11 | 1965 | Idaho | 2 | 4 | 0 | 90 | 97 | 0.473 | 63.27 |
| 12 | 1925 | Idaho | 2 | 4 | 0 | 44 | 105 | 0.467 | 62.89 |
| 13 | 1932 | Idaho | 2 | 5 | 0 | 65 | 97 | 0.464 | 62.78 |
| 14 | 2016 | Idaho | 9 | 4 | 0 | 400 | 407 | 0.464 | 62.87 |
| 15 | 1937 | Idaho | 4 | 3 | 1 | 35 | 53 | 0.455 | 62.25 |
| 16 | 1998 | Idaho | 7 | 3 | 0 | 309 | 300 | 0.443 | 61.76 |
| 17 | 1922 | Idaho | 1 | 5 | 0 | 32 | 51 | 0.427 | 60.94 |
| 18 | 1963 | Idaho | 3 | 4 | 0 | 140 | 140 | 0.415 | 60.09 |
| 19 | 1926 | Idaho | 1 | 4 | 1 | 33 | 75 | 0.414 | 60.28 |
| 20 | 1956 | Idaho | 3 | 5 | 0 | 174 | 203 | 0.397 | 59.21 |
| 21 | 2009 | Idaho | 8 | 5 | 0 | 425 | 468 | 0.386 | 58.28 |
| 22 | 2000 | Idaho | 4 | 5 | 0 | 227 | 325 | 0.370 | 57.35 |
| 23 | 1935 | Idaho | 1 | 6 | 0 | 26 | 74 | 0.368 | 57.75 |
| 24 | 1958 | Idaho | 4 | 5 | 0 | 114 | 139 | 0.361 | 57.00 |
| 25 | 1999 | Idaho | 5 | 4 | 0 | 223 | 232 | 0.360 | 56.21 |
| 26 | 1928 | Idaho | 2 | 4 | 0 | 61 | 129 | 0.359 | 57.19 |
| 27 | 2010 | Idaho | 5 | 7 | 0 | 301 | 368 | 0.346 | 55.89 |
| 28 | 1968 | Idaho | 2 | 4 | 0 | 91 | 182 | 0.339 | 56.08 |
| 29 | 1952 | Idaho | 3 | 4 | 1 | 122 | 134 | 0.337 | 56.11 |
| 30 | 1947 | Idaho | 3 | 4 | 0 | 65 | 131 | 0.314 | 54.88 |
| 31 | 1996 | Idaho | 3 | 4 | 0 | 226 | 192 | 0.307 | 53.65 |
| 32 | 1950 | Idaho | 3 | 5 | 1 | 180 | 212 | 0.306 | 53.73 |
| 33 | 1936 | Idaho | 1 | 6 | 0 | 25 | 107 | 0.273 | 52.13 |
| 34 | 1970 | Idaho | 1 | 5 | 0 | 105 | 199 | 0.267 | 52.06 |
| 35 | 1934 | Idaho | 2 | 5 | 0 | 65 | 120 | 0.267 | 52.18 |
| 36 | 1929 | Idaho | 2 | 4 | 0 | 72 | 180 | 0.253 | 51.68 |
| 37 | 1972 | Idaho | 2 | 4 | 0 | 92 | 162 | 0.249 | 50.33 |
| 38 | 1949 | Idaho | 1 | 5 | 0 | 92 | 249 | 0.236 | 50.43 |
| 39 | 1941 | Idaho | 2 | 5 | 0 | 51 | 129 | 0.228 | 49.72 |
| 40 | 1966 | Idaho | 1 | 5 | 0 | 63 | 103 | 0.219 | 48.64 |
| 41 | 1951 | Idaho | 2 | 7 | 0 | 109 | 182 | 0.215 | 48.50 |
| 42 | 2003 | Idaho | 3 | 7 | 0 | 215 | 265 | 0.213 | 47.47 |
| 43 | 1962 | Idaho | 1 | 5 | 1 | 84 | 170 | 0.209 | 49.22 |
| 44 | 1954 | Idaho | 3 | 5 | 0 | 51 | 153 | 0.207 | 48.69 |
| 45 | 1948 | Idaho | 1 | 6 | 0 | 98 | 144 | 0.202 | 49.12 |
| 46 | 2006 | Idaho | 3 | 8 | 0 | 176 | 393 | 0.201 | 46.97 |
| 47 | 1955 | Idaho | 2 | 7 | 0 | 128 | 174 | 0.200 | 47.92 |
| 48 | 2002 | Idaho | 2 | 9 | 0 | 254 | 390 | 0.197 | 46.96 |
| 49 | 1997 | Idaho | 2 | 5 | 0 | 148 | 225 | 0.194 | 47.01 |
| 50 | 1973 | Idaho | 1 | 5 | 0 | 144 | 217 | 0.191 | 47.95 |
| 51 | 2017 | Idaho | 4 | 8 | 0 | 251 | 309 | 0.190 | 46.61 |
| 52 | 2015 | Idaho | 4 | 8 | 0 | 364 | 505 | 0.158 | 45.09 |
| 53 | 1945 | Idaho | 0 | 5 | 0 | 19 | 143 | 0.153 | 46.07 |
| 54 | 1961 | Idaho | 2 | 7 | 0 | 65 | 351 | 0.145 | 44.22 |
| 55 | 1942 | Idaho | 1 | 6 | 0 | 48 | 174 | 0.144 | 44.42 |
| 56 | 1939 | Idaho | 1 | 6 | 0 | 38 | 125 | 0.143 | 44.47 |
| 57 | 1940 | Idaho | 0 | 7 | 1 | 24 | 214 | 0.136 | 44.78 |
| 58 | 1969 | Idaho | 1 | 5 | 0 | 117 | 216 | 0.133 | 44.78 |
| 59 | 2011 | Idaho | 2 | 10 | 0 | 243 | 399 | 0.133 | 42.41 |
| 60 | 2005 | Idaho | 2 | 9 | 0 | 243 | 419 | 0.126 | 42.49 |
| 61 | 1930 | Idaho | 1 | 6 | 0 | 57 | 119 | 0.119 | 43.55 |
| 62 | 1959 | Idaho | 1 | 9 | 0 | 79 | 293 | 0.116 | 42.97 |
| 63 | 1917 | Idaho | 1 | 3 | 0 | 20 | 62 | 0.115 | 45.39 |
| 64 | 2004 | Idaho | 3 | 9 | 0 | 245 | 473 | 0.112 | 41.53 |
| 65 | 1960 | Idaho | 0 | 9 | 0 | 90 | 250 | 0.111 | 44.02 |
| 66 | 1974 | Idaho | 0 | 6 | 0 | 47 | 134 | 0.096 | 41.46 |
| 67 | 1953 | Idaho | 1 | 8 | 0 | 66 | 214 | 0.095 | 41.49 |
| 68 | 1946 | Idaho | 1 | 7 | 0 | 53 | 234 | 0.088 | 43.17 |
| 69 | 2013 | Idaho | 1 | 11 | 0 | 218 | 561 | 0.088 | 41.65 |
| 70 | 2012 | Idaho | 1 | 11 | 0 | 190 | 509 | 0.083 | 40.35 |
| 71 | 2014 | Idaho | 1 | 10 | 0 | 275 | 410 | 0.082 | 40.12 |
| 72 | 2001 | Idaho | 1 | 9 | 0 | 286 | 462 | 0.078 | 39.71 |
| 73 | 2008 | Idaho | 1 | 10 | 0 | 193 | 486 | 0.072 | 38.38 |
| 74 | 2007 | Idaho | 0 | 11 | 0 | 238 | 430 | 0.068 | 38.36 |
| 75 | 1967 | Idaho | 0 | 4 | 0 | 32 | 202 | 0.061 | 38.78 |