The winning New York Numbers numbers for May 31, 1999 were: evening 2-0-3.
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 31, 1999 | Evening | 2-0-3 | 5 | 5 |
| May 30, 1999 | Evening | 0-9-6 | 15 | 6 |
| May 29, 1999 | Evening | 7-2-1 | 10 | 1 |
| May 28, 1999 | Evening | 9-3-1 | 13 | 4 |
| May 27, 1999 | Evening | 6-9-5 | 20 | 2 |
| May 26, 1999 | Evening | 6-5-3 | 14 | 5 |
| May 25, 1999 | Evening | 7-7-7 | 21 | 3 |