The winning Delaware Play 4 numbers for February 28, 1991 were: night 4-1-1-8.
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 28, 1991 | Night | 4-1-1-8 | 14 | 5 |
| Feb 27, 1991 | Night | 3-4-0-5 | 12 | 3 |
| Feb 26, 1991 | Night | 0-2-9-3 | 14 | 5 |
| Feb 25, 1991 | Night | 3-7-5-5 | 20 | 2 |
| 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 |