The winning Michigan Daily 4 numbers for February 21, 2008 were: midday 4-3-5-1; evening 4-5-3-4.
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).
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 |
|---|---|---|---|---|
| Feb 21, 2008 | Evening | 4-5-3-4 | 16 | 7 |
| Feb 21, 2008 | Midday | 4-3-5-1 | 13 | 4 |
| Feb 20, 2008 | Evening | 3-2-4-5 | 14 | 5 |
| Feb 20, 2008 | Midday | 7-7-6-1 | 21 | 3 |
| Feb 19, 2008 | Evening | 7-6-4-3 | 20 | 2 |
| Feb 19, 2008 | Midday | 3-3-9-9 | 24 | 6 |
| Feb 18, 2008 | Evening | 4-7-4-8 | 23 | 5 |
| Feb 18, 2008 | Midday | 3-8-6-3 | 20 | 2 |
| Feb 17, 2008 | Evening | 8-2-3-8 | 21 | 3 |
| Feb 17, 2008 | Midday | 4-8-6-1 | 19 | 1 |
| Feb 16, 2008 | Evening | 1-1-4-3 | 9 | 9 |
| Feb 16, 2008 | Midday | 5-8-7-9 | 29 | 2 |
| Feb 15, 2008 | Evening | 6-7-8-4 | 25 | 7 |
| Feb 15, 2008 | Midday | 7-5-2-9 | 23 | 5 |