The winning Michigan Daily 4 numbers for March 13, 2003 were: midday 1-8-7-1; evening 1-5-0-0.
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 |
|---|---|---|---|---|
| Mar 13, 2003 | Evening | 1-5-0-0 | 6 | 6 |
| Mar 13, 2003 | Midday | 1-8-7-1 | 17 | 8 |
| Mar 12, 2003 | Evening | 5-5-7-9 | 26 | 8 |
| Mar 12, 2003 | Midday | 8-8-7-1 | 24 | 6 |
| Mar 11, 2003 | Evening | 4-8-6-1 | 19 | 1 |
| Mar 11, 2003 | Midday | 2-2-3-9 | 16 | 7 |
| Mar 10, 2003 | Evening | 5-9-3-1 | 18 | 9 |
| Mar 10, 2003 | Midday | 2-6-2-6 | 16 | 7 |
| Mar 9, 2003 | Evening | 9-0-5-5 | 19 | 1 |
| Mar 9, 2003 | Midday | 5-3-9-5 | 22 | 4 |
| Mar 8, 2003 | Evening | 7-2-1-8 | 18 | 9 |
| Mar 8, 2003 | Midday | 0-0-5-1 | 6 | 6 |
| Mar 7, 2003 | Evening | 2-7-2-3 | 14 | 5 |
| Mar 7, 2003 | Midday | 6-6-7-2 | 21 | 3 |