The winning Texas Daily 4 numbers for February 21, 2008 were: day 9-2-1-5; night 2-8-3-8.
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 |
|---|---|---|---|---|
| Feb 21, 2008 | Night | 2-8-3-8 | 21 | 3 |
| Feb 21, 2008 | Day | 9-2-1-5 | 17 | 8 |
| Feb 20, 2008 | Night | 9-4-6-6 | 25 | 7 |
| Feb 20, 2008 | Day | 5-1-2-4 | 12 | 3 |
| Feb 19, 2008 | Night | 1-4-7-1 | 13 | 4 |
| Feb 19, 2008 | Day | 0-6-6-5 | 17 | 8 |
| Feb 18, 2008 | Night | 5-8-1-5 | 19 | 1 |
| Feb 18, 2008 | Day | 6-8-1-9 | 24 | 6 |
| Feb 16, 2008 | Night | 6-4-7-0 | 17 | 8 |
| Feb 16, 2008 | Day | 9-5-1-0 | 15 | 6 |
| Feb 15, 2008 | Night | 2-4-0-3 | 9 | 9 |
| Feb 15, 2008 | Day | 0-0-3-0 | 3 | 3 |