The winning Colorado Pick 3 numbers for December 15, 2017 were: midday 1-1-7; evening 9-0-1.
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, 2017 | Evening | 9-0-1 | 10 | 1 |
| Dec 15, 2017 | Midday | 1-1-7 | 9 | 9 |
| Dec 14, 2017 | Evening | 0-6-4 | 10 | 1 |
| Dec 14, 2017 | Midday | 8-9-7 | 24 | 6 |
| Dec 13, 2017 | Evening | 5-6-2 | 13 | 4 |
| Dec 13, 2017 | Midday | 9-6-8 | 23 | 5 |
| Dec 12, 2017 | Evening | 2-9-2 | 13 | 4 |
| Dec 12, 2017 | Midday | 0-5-6 | 11 | 2 |
| Dec 11, 2017 | Evening | 6-4-2 | 12 | 3 |
| Dec 11, 2017 | Midday | 4-3-7 | 14 | 5 |
| Dec 10, 2017 | Evening | 8-0-5 | 13 | 4 |
| Dec 10, 2017 | Midday | 6-2-8 | 16 | 7 |
| Dec 9, 2017 | Evening | 4-1-9 | 14 | 5 |
| Dec 9, 2017 | Midday | 8-8-7 | 23 | 5 |