The winning New York Numbers numbers for May 28, 1991 were: evening 3-9-9.
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 |
|---|---|---|---|---|
| May 28, 1991 | Evening | 3-9-9 | 21 | 3 |
| May 27, 1991 | Evening | 7-9-4 | 20 | 2 |
| May 26, 1991 | Evening | 2-5-7 | 14 | 5 |
| May 25, 1991 | Evening | 2-3-5 | 10 | 1 |
| May 24, 1991 | Evening | 6-2-7 | 15 | 6 |
| May 23, 1991 | Evening | 0-7-5 | 12 | 3 |
| May 22, 1991 | Evening | 4-3-2 | 9 | 9 |