The winning Washington DC DC-3 numbers for February 6, 1988 were: single 5-2-6.
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 6, 1988 | Single | 5-2-6 | 13 | 4 |
| Feb 4, 1988 | Single | 7-5-7 | 19 | 1 |
| Feb 3, 1988 | Single | 4-9-4 | 17 | 8 |
| Feb 2, 1988 | Single | 1-3-9 | 13 | 4 |
| Feb 1, 1988 | Single | 8-3-1 | 12 | 3 |