The winning Michigan Daily 4 numbers for May 20, 1999 were: midday 8-7-3-9; evening 6-6-8-9.
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 |
|---|---|---|---|---|
| May 20, 1999 | Evening | 6-6-8-9 | 29 | 2 |
| May 20, 1999 | Midday | 8-7-3-9 | 27 | 9 |
| May 19, 1999 | Evening | 9-6-9-0 | 24 | 6 |
| May 19, 1999 | Midday | 9-6-4-8 | 27 | 9 |
| May 18, 1999 | Evening | 9-9-3-0 | 21 | 3 |
| May 18, 1999 | Midday | 9-1-7-1 | 18 | 9 |
| May 17, 1999 | Evening | 7-2-7-6 | 22 | 4 |
| May 17, 1999 | Midday | 0-4-7-6 | 17 | 8 |
| May 15, 1999 | Evening | 9-2-1-5 | 17 | 8 |
| May 15, 1999 | Midday | 1-0-0-4 | 5 | 5 |
| May 14, 1999 | Evening | 9-1-7-6 | 23 | 5 |
| May 14, 1999 | Midday | 3-1-8-6 | 18 | 9 |