The winning Oregon Pick 4 numbers for March 21, 2015 were: midday 6-1-0-1; day 2-0-6-5; evening 3-5-0-4; night 4-1-8-7.
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).
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 |
|---|---|---|---|---|
| Mar 21, 2015 | Night | 4-1-8-7 | 20 | 2 |
| Mar 21, 2015 | Evening | 3-5-0-4 | 12 | 3 |
| Mar 21, 2015 | Day | 2-0-6-5 | 13 | 4 |
| Mar 21, 2015 | Midday | 6-1-0-1 | 8 | 8 |
| Mar 20, 2015 | Night | 5-1-3-0 | 9 | 9 |
| Mar 20, 2015 | Evening | 8-7-8-3 | 26 | 8 |
| Mar 20, 2015 | Day | 5-8-9-7 | 29 | 2 |
| Mar 20, 2015 | Midday | 0-6-7-2 | 15 | 6 |
| Mar 19, 2015 | Night | 9-2-1-9 | 21 | 3 |
| Mar 19, 2015 | Evening | 1-3-0-4 | 8 | 8 |
| Mar 19, 2015 | Day | 2-0-9-8 | 19 | 1 |
| Mar 19, 2015 | Midday | 7-0-0-0 | 7 | 7 |
| Mar 18, 2015 | Night | 3-1-2-7 | 13 | 4 |
| Mar 18, 2015 | Evening | 1-5-3-8 | 17 | 8 |
| Mar 18, 2015 | Day | 4-1-0-1 | 6 | 6 |
| Mar 18, 2015 | Midday | 5-1-8-4 | 18 | 9 |
| Mar 17, 2015 | Night | 9-0-1-3 | 13 | 4 |
| Mar 17, 2015 | Evening | 9-7-4-4 | 24 | 6 |
| Mar 17, 2015 | Day | 6-4-3-3 | 16 | 7 |
| Mar 17, 2015 | Midday | 7-1-0-5 | 13 | 4 |
| Mar 16, 2015 | Night | 3-1-5-0 | 9 | 9 |
| Mar 16, 2015 | Evening | 4-5-7-7 | 23 | 5 |
| Mar 16, 2015 | Day | 8-1-0-3 | 12 | 3 |
| Mar 16, 2015 | Midday | 9-0-1-2 | 12 | 3 |
| Mar 15, 2015 | Night | 8-8-0-4 | 20 | 2 |
| Mar 15, 2015 | Evening | 9-9-3-1 | 22 | 4 |
| Mar 15, 2015 | Day | 1-6-4-5 | 16 | 7 |
| Mar 15, 2015 | Midday | 0-6-2-7 | 15 | 6 |