The winning Michigan Daily 3 numbers for July 31, 1991 were: evening 9-6-7.
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 |
|---|---|---|---|---|
| Jul 31, 1991 | Evening | 9-6-7 | 22 | 4 |
| Jul 30, 1991 | Evening | 0-8-0 | 8 | 8 |
| Jul 29, 1991 | Evening | 9-4-1 | 14 | 5 |
| Jul 27, 1991 | Evening | 3-1-5 | 9 | 9 |
| Jul 26, 1991 | Evening | 5-3-9 | 17 | 8 |
| Jul 25, 1991 | Evening | 7-6-1 | 14 | 5 |