The winning New York Win 4 numbers for May 21, 2010 were: midday 9-3-0-8; evening 9-2-4-7.
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).
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 21, 2010 | Evening | 9-2-4-7 | 22 | 4 |
| May 21, 2010 | Midday | 9-3-0-8 | 20 | 2 |
| May 20, 2010 | Evening | 4-1-4-3 | 12 | 3 |
| May 20, 2010 | Midday | 2-0-6-4 | 12 | 3 |
| May 19, 2010 | Evening | 6-8-1-7 | 22 | 4 |
| May 19, 2010 | Midday | 2-7-5-9 | 23 | 5 |
| May 18, 2010 | Evening | 6-6-8-0 | 20 | 2 |
| May 18, 2010 | Midday | 7-1-6-3 | 17 | 8 |
| May 17, 2010 | Evening | 3-5-8-9 | 25 | 7 |
| May 17, 2010 | Midday | 9-4-9-7 | 29 | 2 |
| May 16, 2010 | Evening | 5-7-8-4 | 24 | 6 |
| May 16, 2010 | Midday | 0-7-2-1 | 10 | 1 |
| May 15, 2010 | Evening | 5-9-4-7 | 25 | 7 |
| May 15, 2010 | Midday | 1-5-2-8 | 16 | 7 |