The winning Vermont Pick 3 numbers for March 21, 1991 were: day 3-9-9.
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 21, 1991 | Day | 3-9-9 | 21 | 3 |
| Mar 20, 1991 | Day | 9-7-1 | 17 | 8 |
| Mar 19, 1991 | Day | 1-5-2 | 8 | 8 |
| Mar 18, 1991 | Day | 0-9-9 | 18 | 9 |
| Mar 16, 1991 | Day | 4-5-2 | 11 | 2 |
| Mar 15, 1991 | Day | 3-4-9 | 16 | 7 |