The winning New York Win 4 numbers for August 21, 1991 were: evening 6-1-2-5.
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 |
|---|---|---|---|---|
| Aug 21, 1991 | Evening | 6-1-2-5 | 14 | 5 |
| Aug 20, 1991 | Evening | 5-4-9-8 | 26 | 8 |
| Aug 19, 1991 | Evening | 3-3-2-8 | 16 | 7 |
| Aug 18, 1991 | Evening | 9-9-9-0 | 27 | 9 |
| Aug 17, 1991 | Evening | 8-4-7-9 | 28 | 1 |
| Aug 16, 1991 | Evening | 0-5-2-1 | 8 | 8 |
| Aug 15, 1991 | Evening | 5-1-0-6 | 12 | 3 |