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 | 1328 | 1168 | 1214 | 1210 |
| 2024 | 1316 | 1243 | 1168 | 1148 |
| 2023 | 1292 | 1232 | 1203 | 1160 |
| 2022 | 1336 | 1264 | 1242 | 1229 |
| 2021 | 1384 | 1413 | 1244 | 1228 |
| 2020 | 1354 | 1344 | 1210 | 1200 |
| 2019 | 1335 | 1306 | 1218 | 1206 |
| 2018 | 1318 | 1324 | 1236 | 1195 |
| 2017 | 1331 | 1310 | 1225 | 1225 |
| 2016 | 1332 | 1398 | 1224 | 1214 |
| 2015 | 1253 | 1394 | 1209 | 1206 |
| 2014 | 1172 | 1360 | 1198 | 1236 |
| 2013 | 1139 | 1294 | 1141 | 1226 |
| 2012 | 1166 | 1360 | 1178 | 1159 |
| 2011 | 1125 | 1354 | 1156 | 1177 |
| 2010 | 1139 | 1312 | 1200 | 1172 |
| 2009 | 1125 | 1308 | 1214 | 1172 |
| 2008 | 1115 | 1315 | 1279 | 1170 |
| 2007 | 1128 | 1308 | 1257 | 1182 |
| 2006 | 1126 | 1280 | 1304 | 1172 |
| 2005 | 1099 | 1346 | 1208 | 1134 |
| 2004 | 1071 | 1340 | 1148 | 1181 |
| 2003 | 1114 | 1332 | 1224 | 1222 |
| 2002 | 1170 | 1271 | 1266 | 1274 |
| 2001 | 1200 | 1252 | 1249 | 1257 |
| 2000 | 1241 | 1246 | 1296 | 1249 |