The winning Michigan Daily 4 numbers for October 21, 2008 were: midday 2-7-0-9; evening 1-8-1-3.
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).
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 |
|---|---|---|---|---|
| Oct 21, 2008 | Evening | 1-8-1-3 | 13 | 4 |
| Oct 21, 2008 | Midday | 2-7-0-9 | 18 | 9 |
| Oct 20, 2008 | Evening | 4-6-9-4 | 23 | 5 |
| Oct 20, 2008 | Midday | 5-2-3-3 | 13 | 4 |
| Oct 19, 2008 | Evening | 8-2-5-2 | 17 | 8 |
| Oct 19, 2008 | Midday | 9-2-9-9 | 29 | 2 |
| Oct 18, 2008 | Evening | 2-7-4-8 | 21 | 3 |
| Oct 18, 2008 | Midday | 5-1-7-6 | 19 | 1 |
| Oct 17, 2008 | Evening | 7-4-6-3 | 20 | 2 |
| Oct 17, 2008 | Midday | 4-8-4-0 | 16 | 7 |
| Oct 16, 2008 | Evening | 6-1-6-2 | 15 | 6 |
| Oct 16, 2008 | Midday | 5-5-6-0 | 16 | 7 |
| Oct 15, 2008 | Evening | 6-0-0-5 | 11 | 2 |
| Oct 15, 2008 | Midday | 1-4-0-1 | 6 | 6 |