The winning New York Win 4 numbers for March 15, 1991 were: evening 2-4-3-7.
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 |
|---|---|---|---|---|
| Mar 15, 1991 | Evening | 2-4-3-7 | 16 | 7 |
| Mar 14, 1991 | Evening | 6-0-8-6 | 20 | 2 |
| Mar 13, 1991 | Evening | 3-3-4-1 | 11 | 2 |
| Mar 12, 1991 | Evening | 3-3-2-3 | 11 | 2 |
| Mar 11, 1991 | Evening | 0-1-6-0 | 7 | 7 |
| Mar 10, 1991 | Evening | 0-4-3-6 | 13 | 4 |
| Mar 9, 1991 | Evening | 5-7-2-4 | 18 | 9 |