Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Western Mich. is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2025 | 1326 | 1166 | 1212 | 1208 |
| 2024 | 1315 | 1241 | 1166 | 1146 |
| 2023 | 1290 | 1230 | 1202 | 1158 |
| 2022 | 1334 | 1262 | 1240 | 1227 |
| 2021 | 1382 | 1411 | 1242 | 1227 |
| 2020 | 1352 | 1343 | 1208 | 1199 |
| 2019 | 1333 | 1304 | 1216 | 1204 |
| 2018 | 1316 | 1322 | 1233 | 1194 |
| 2017 | 1329 | 1308 | 1222 | 1224 |
| 2016 | 1330 | 1396 | 1221 | 1212 |
| 2015 | 1252 | 1392 | 1206 | 1204 |
| 2014 | 1170 | 1358 | 1196 | 1234 |
| 2013 | 1138 | 1292 | 1138 | 1222 |
| 2012 | 1164 | 1358 | 1176 | 1156 |
| 2011 | 1123 | 1352 | 1154 | 1174 |
| 2010 | 1137 | 1310 | 1198 | 1170 |
| 2009 | 1123 | 1306 | 1212 | 1169 |
| 2008 | 1112 | 1314 | 1277 | 1167 |
| 2007 | 1126 | 1307 | 1254 | 1180 |
| 2006 | 1124 | 1278 | 1302 | 1170 |
| 2005 | 1098 | 1345 | 1206 | 1132 |
| 2004 | 1070 | 1340 | 1147 | 1179 |
| 2003 | 1114 | 1330 | 1223 | 1220 |
| 2002 | 1168 | 1270 | 1264 | 1272 |
| 2001 | 1200 | 1251 | 1248 | 1256 |
| 2000 | 1241 | 1246 | 1296 | 1248 |