The winning New York Numbers numbers for December 15, 2009 were: midday 7-4-1; evening 8-8-2.
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 |
|---|---|---|---|---|
| Dec 15, 2009 | Evening | 8-8-2 | 18 | 9 |
| Dec 15, 2009 | Midday | 7-4-1 | 12 | 3 |
| Dec 14, 2009 | Evening | 8-7-5 | 20 | 2 |
| Dec 14, 2009 | Midday | 4-2-6 | 12 | 3 |
| Dec 13, 2009 | Evening | 8-3-1 | 12 | 3 |
| Dec 13, 2009 | Midday | 0-1-0 | 1 | 1 |
| Dec 12, 2009 | Evening | 0-9-4 | 13 | 4 |
| Dec 12, 2009 | Midday | 2-9-5 | 16 | 7 |
| Dec 11, 2009 | Evening | 2-2-5 | 9 | 9 |
| Dec 11, 2009 | Midday | 7-5-5 | 17 | 8 |
| Dec 10, 2009 | Evening | 7-6-5 | 18 | 9 |
| Dec 10, 2009 | Midday | 8-8-0 | 16 | 7 |
| Dec 9, 2009 | Evening | 9-5-0 | 14 | 5 |
| Dec 9, 2009 | Midday | 8-5-0 | 13 | 4 |