Minor Counties Championship Bowling in Each Season by Michael Trenwith
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| 1966 | (England) | 192 | 5 | 87 | 3 | 2-54 | 29.00 | 0 | 0 |
| 1967 | (England) | 420 | 20 | 200 | 6 | 3-71 | 33.33 | 0 | 0 |
| 1970 | (England) | 861 | 39 | 374 | 13 | 3-73 | 28.76 | 0 | 0 |
| 1971 | (England) | 991 | 48 | 445 | 15 | 4-35 | 29.66 | 0 | 0 |
| 1972 | (England) | 1182 | 46 | 582 | 20 | 3-44 | 29.10 | 0 | 0 |
| 1973 | (England) | 1221 | 37 | 635 | 32 | 5-39 | 19.84 | 2 | 0 |
| 1974 | (England) | 924 | 51 | 358 | 15 | 5-26 | 23.86 | 2 | 0 |
| 1975 | (England) | 612 | 25 | 307 | 8 | 3-34 | 38.37 | 0 | 0 |
| 1978 | (England) | 898 | 33 | 391 | 20 | 4-20 | 19.55 | 0 | 0 |
| 1979 | (England) | 306 | 24 | 80 | 12 | 9-52 | 6.66 | 1 | 1 |
| 1980 | (England) | 1357 | 56 | 647 | 34 | 6-82 | 19.02 | 1 | 0 |
| 1981 | (England) | 1348 | 53 | 586 | 26 | 5-51 | 22.53 | 1 | 0 |
| 1982 | (England) | 150 | 6 | 78 | 0 | | | | |
| 1983 | (England) | 72 | 5 | 25 | 1 | 1-21 | 25.00 | 0 | 0 |