2018 Washington State Cougars Total Defense Split Stats through 01/07/2019
| Split | G | Rush Yards | Pass Yards | Plays | Total Yards | Yards/Play | Yards/G |
|---|---|---|---|---|---|---|---|
| All Games | 13 | 1839 | 2835 | 838 | 4674 | 5.58 | 359.5 |
| at Home | 7 | 916 | 1446 | 460 | 2362 | 5.13 | 337.4 |
| on Road/Neutral Site | 6 | 923 | 1389 | 378 | 2312 | 6.12 | 385.3 |
| in Wins | 11 | 1468 | 2365 | 722 | 3833 | 5.31 | 348.5 |
| in Losses | 2 | 371 | 470 | 116 | 841 | 7.25 | 420.5 |
| vs. Conference | 9 | 1343 | 2107 | 591 | 3450 | 5.84 | 383.3 |
| vs. Non-Conference | 4 | 496 | 728 | 247 | 1224 | 4.96 | 306.0 |
| vs. Ranked (AP) | 1 | 258 | 229 | 59 | 487 | 8.25 | 487.0 |
| vs. Unranked (AP) | 12 | 1581 | 2606 | 779 | 4187 | 5.37 | 348.9 |
| vs. FBS (I-A) | 12 | 1691 | 2604 | 767 | 4295 | 5.60 | 357.9 |
| vs. FCS (I-AA) | 1 | 148 | 231 | 71 | 379 | 5.34 | 379.0 |
| vs. FBS Winning | 6 | 952 | 1434 | 399 | 2386 | 5.98 | 397.7 |
| vs. FBS Non-Winning | 6 | 739 | 1170 | 368 | 1909 | 5.19 | 318.2 |
| vs. FBS Power 5 | 10 | 1543 | 2422 | 657 | 3965 | 6.04 | 396.5 |
| vs. FBS non-Power 5 | 2 | 148 | 182 | 110 | 330 | 3.00 | 165.0 |
| in August/September | 5 | 613 | 772 | 309 | 1385 | 4.48 | 277.0 |
| in October | 3 | 454 | 814 | 210 | 1268 | 6.04 | 422.7 |
| in November | 4 | 572 | 934 | 253 | 1506 | 5.95 | 376.5 |
| in December/January | 1 | 200 | 315 | 66 | 515 | 7.80 | 515.0 |