The winning Washington DC DC-3 numbers for February 28, 1990 were: single 6-2-0.
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 28, 1990 | Single | 6-2-0 | 8 | 8 |
| Feb 26, 1990 | Single | 3-7-5 | 15 | 6 |
| Feb 23, 1990 | Single | 9-8-6 | 23 | 5 |