The winning Michigan Daily 4 numbers for August 18, 1988 were: evening 3-5-3-7.
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 |
|---|---|---|---|---|
| Aug 18, 1988 | Evening | 3-5-3-7 | 18 | 9 |
| Aug 17, 1988 | Evening | 9-8-6-4 | 27 | 9 |
| Aug 16, 1988 | Evening | 6-5-3-0 | 14 | 5 |
| Aug 15, 1988 | Evening | 5-9-5-6 | 25 | 7 |
| Aug 13, 1988 | Evening | 0-6-0-0 | 6 | 6 |
| Aug 12, 1988 | Evening | 6-8-6-7 | 27 | 9 |