The winning Delaware Play 4 numbers for February 7, 1991 were: night 3-6-3-6.
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 7, 1991 | Night | 3-6-3-6 | 18 | 9 |
| Feb 6, 1991 | Night | 2-8-7-6 | 23 | 5 |
| Feb 5, 1991 | Night | 0-8-1-6 | 15 | 6 |
| Feb 4, 1991 | Night | 5-8-3-4 | 20 | 2 |
| Feb 3, 1991 | Night | 7-1-2-0 | 10 | 1 |
| Feb 2, 1991 | Night | 6-6-9-0 | 21 | 3 |
| Feb 1, 1991 | Night | 5-2-9-9 | 25 | 7 |