The winning Michigan Daily 3 numbers for September 20, 1988 were: evening 3-5-4.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Sep 20, 1988 | Evening | 3-5-4 | 12 | 3 |
| Sep 19, 1988 | Evening | 8-7-3 | 18 | 9 |
| Sep 17, 1988 | Evening | 5-2-7 | 14 | 5 |
| Sep 16, 1988 | Evening | 6-5-2 | 13 | 4 |
| Sep 15, 1988 | Evening | 2-2-1 | 5 | 5 |
| Sep 14, 1988 | Evening | 7-3-6 | 16 | 7 |