The winning Washington DC DC-3 numbers for February 19, 1988 were: single 0-2-0.
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 19, 1988 | Single | 0-2-0 | 2 | 2 |
| Feb 18, 1988 | Single | 9-1-4 | 14 | 5 |
| Feb 16, 1988 | Single | 7-2-6 | 15 | 6 |
| Feb 15, 1988 | Single | 0-1-5 | 6 | 6 |
| Feb 13, 1988 | Single | 5-3-4 | 12 | 3 |