The winning Delaware Play 4 numbers for February 24, 1991 were: night 0-9-6-1.
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 24, 1991 | Night | 0-9-6-1 | 16 | 7 |
| Feb 23, 1991 | Night | 3-6-2-0 | 11 | 2 |
| Feb 22, 1991 | Night | 1-1-6-0 | 8 | 8 |
| Feb 21, 1991 | Night | 3-1-5-2 | 11 | 2 |
| Feb 20, 1991 | Night | 4-3-9-8 | 24 | 6 |
| Feb 19, 1991 | Night | 1-2-9-7 | 19 | 1 |
| Feb 18, 1991 | Night | 5-3-5-7 | 20 | 2 |