Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Castleton is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2025 | 902 | 994 | 1015 | 1018 |
| 2024 | 922 | 1015 | 1066 | 1004 |
| 2023 | 968 | 1024 | 1060 | 1009 |
| 2022 | 966 | 1066 | 1066 | 1012 |
| 2021 | 930 | 1078 | 1086 | 1012 |
| 2019 | 898 | 1082 | 1035 | 1048 |
| 2018 | 911 | 1094 | 992 | 1068 |
| 2017 | 894 | 1095 | 1034 | 1083 |
| 2016 | 902 | 1134 | 972 | 1096 |
| 2015 | 938 | 1138 | 962 | 1088 |
| 2014 | 901 | 1143 | 932 | 1112 |
| 2013 | 910 | 1152 | 871 | 1113 |
| 2012 | 948 | 1184 | 883 | 1117 |
| 2011 | 1008 | 1160 | 916 | 1109 |
| 2010 | 1032 | 1136 | 960 | 1116 |
| 2009 | 1050 | 1089 | 1008 | 1100 |