The winning Delaware Play 4 numbers for February 20, 1999 were: day 9-1-5-0; night 3-9-9-1.
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).
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 20, 1999 | Night | 3-9-9-1 | 22 | 4 |
| Feb 20, 1999 | Day | 9-1-5-0 | 15 | 6 |
| Feb 19, 1999 | Night | 1-2-3-1 | 7 | 7 |
| Feb 19, 1999 | Day | 7-6-8-2 | 23 | 5 |
| Feb 18, 1999 | Night | 5-0-7-1 | 13 | 4 |
| Feb 18, 1999 | Day | 2-6-0-8 | 16 | 7 |
| Feb 17, 1999 | Night | 9-5-6-8 | 28 | 1 |
| Feb 17, 1999 | Day | 4-6-4-9 | 23 | 5 |
| Feb 16, 1999 | Night | 8-2-7-6 | 23 | 5 |
| Feb 16, 1999 | Day | 4-1-7-7 | 19 | 1 |
| Feb 15, 1999 | Night | 2-6-7-8 | 23 | 5 |
| Feb 15, 1999 | Day | 0-2-9-5 | 16 | 7 |
| Feb 14, 1999 | Night | 5-2-4-3 | 14 | 5 |