The winning Washington DC DC-3 numbers for August 30, 1988 were: single 6-4-7.
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 |
|---|---|---|---|---|
| Aug 30, 1988 | Single | 6-4-7 | 17 | 8 |
| Aug 29, 1988 | Single | 3-4-5 | 12 | 3 |
| Aug 27, 1988 | Single | 0-2-0 | 2 | 2 |
| Aug 26, 1988 | Single | 3-2-5 | 10 | 1 |
| Aug 25, 1988 | Single | 5-9-5 | 19 | 1 |
| Aug 24, 1988 | Single | 4-6-1 | 11 | 2 |