The winning Delaware Play 4 numbers for August 17, 1991 were: night 3-3-2-5.
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 |
|---|---|---|---|---|
| Aug 17, 1991 | Night | 3-3-2-5 | 13 | 4 |
| Aug 16, 1991 | Night | 9-7-8-1 | 25 | 7 |
| Aug 15, 1991 | Night | 8-9-9-1 | 27 | 9 |
| Aug 14, 1991 | Night | 7-3-5-6 | 21 | 3 |
| Aug 13, 1991 | Night | 7-2-6-5 | 20 | 2 |
| Aug 12, 1991 | Night | 0-4-8-8 | 20 | 2 |
| Aug 11, 1991 | Night | 8-5-4-0 | 17 | 8 |