The winning Delaware Play 4 numbers for May 30, 1999 were: night 6-5-6-0.
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).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| May 30, 1999 | Night | 6-5-6-0 | 17 | 8 |
| May 29, 1999 | Night | 9-1-8-9 | 27 | 9 |
| May 29, 1999 | Day | 1-2-1-0 | 4 | 4 |
| May 28, 1999 | Night | 8-8-5-1 | 22 | 4 |
| May 28, 1999 | Day | 2-1-9-6 | 18 | 9 |
| May 27, 1999 | Night | 7-0-1-9 | 17 | 8 |
| May 27, 1999 | Day | 5-6-7-4 | 22 | 4 |
| May 26, 1999 | Night | 3-1-2-6 | 12 | 3 |
| May 26, 1999 | Day | 3-4-8-3 | 18 | 9 |
| May 25, 1999 | Night | 8-8-1-9 | 26 | 8 |
| May 25, 1999 | Day | 9-9-7-1 | 26 | 8 |
| May 24, 1999 | Night | 8-8-8-7 | 31 | 4 |
| May 24, 1999 | Day | 8-7-7-8 | 30 | 3 |