Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Western Ill. is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2026 | 994 | 1158 | 1018 | 1022 |
| 2025 | 979 | 1152 | 988 | 1020 |
| 2024 | 974 | 1152 | 974 | 1048 |
| 2023 | 932 | 1100 | 982 | 1092 |
| 2022 | 994 | 1194 | 1078 | 1128 |
| 2021 | 1004 | 1288 | 1136 | 1132 |
| 2020 | 1042 | 1264 | 1206 | 1133 |
| 2019 | 1078 | 1246 | 1244 | 1160 |
| 2018 | 1149 | 1324 | 1343 | 1242 |
| 2017 | 1212 | 1266 | 1278 | 1196 |
| 2016 | 1202 | 1267 | 1273 | 1165 |
| 2015 | 1240 | 1248 | 1232 | 1250 |
| 2014 | 1249 | 1213 | 1188 | 1213 |
| 2013 | 1178 | 1110 | 1184 | 1294 |
| 2012 | 1168 | 1153 | 1148 | 1239 |
| 2011 | 1216 | 1218 | 1178 | 1190 |
| 2010 | 1222 | 1235 | 1186 | 1198 |
| 2009 | 1185 | 1138 | 1204 | 1216 |
| 2008 | 1215 | 1158 | 1240 | 1204 |
| 2007 | 1210 | 1174 | 1217 | 1180 |
| 2006 | 1170 | 1212 | 1201 | 1160 |
| 2005 | 1170 | 1194 | 1189 | 1153 |
| 2004 | 1156 | 1188 | 1162 | 1164 |
| 2003 | 1189 | 1208 | 1184 | 1154 |
| 2002 | 1194 | 1181 | 1186 | 1160 |
| 2001 | 1178 | 1177 | 1184 | 1168 |