The winning Delaware Play 4 numbers for January 10, 1999 were: night 2-9-3-5.
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 |
|---|---|---|---|---|
| Jan 10, 1999 | Night | 2-9-3-5 | 19 | 1 |
| Jan 9, 1999 | Night | 2-8-7-2 | 19 | 1 |
| Jan 9, 1999 | Day | 3-3-9-3 | 18 | 9 |
| Jan 8, 1999 | Night | 8-5-7-9 | 29 | 2 |
| Jan 8, 1999 | Day | 9-2-2-8 | 21 | 3 |
| Jan 7, 1999 | Night | 1-3-9-2 | 15 | 6 |
| Jan 7, 1999 | Day | 9-3-2-9 | 23 | 5 |
| Jan 6, 1999 | Night | 2-6-1-1 | 10 | 1 |
| Jan 6, 1999 | Day | 8-3-3-6 | 20 | 2 |
| Jan 5, 1999 | Night | 2-4-4-7 | 17 | 8 |
| Jan 5, 1999 | Day | 2-7-0-1 | 10 | 1 |
| Jan 4, 1999 | Night | 8-7-8-6 | 29 | 2 |
| Jan 4, 1999 | Day | 4-3-0-0 | 7 | 7 |