The winning Oregon Pick 4 numbers for March 31, 2015 were: midday 9-3-4-5; day 6-4-7-4; evening 4-5-4-9; night 7-1-4-5.
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 31, 2015 | Night | 7-1-4-5 | 17 | 8 |
| Mar 31, 2015 | Evening | 4-5-4-9 | 22 | 4 |
| Mar 31, 2015 | Day | 6-4-7-4 | 21 | 3 |
| Mar 31, 2015 | Midday | 9-3-4-5 | 21 | 3 |
| Mar 30, 2015 | Night | 0-3-3-0 | 6 | 6 |
| Mar 30, 2015 | Evening | 5-7-5-9 | 26 | 8 |
| Mar 30, 2015 | Day | 9-5-9-2 | 25 | 7 |
| Mar 30, 2015 | Midday | 5-9-4-5 | 23 | 5 |
| Mar 29, 2015 | Night | 9-9-5-2 | 25 | 7 |
| Mar 29, 2015 | Evening | 6-1-1-3 | 11 | 2 |
| Mar 29, 2015 | Day | 9-5-8-4 | 26 | 8 |
| Mar 29, 2015 | Midday | 8-4-2-4 | 18 | 9 |
| Mar 28, 2015 | Night | 5-2-6-2 | 15 | 6 |
| Mar 28, 2015 | Evening | 9-3-9-2 | 23 | 5 |
| Mar 28, 2015 | Day | 7-3-2-0 | 12 | 3 |
| Mar 28, 2015 | Midday | 2-5-8-9 | 24 | 6 |
| Mar 27, 2015 | Night | 9-5-9-9 | 32 | 5 |
| Mar 27, 2015 | Evening | 1-0-1-6 | 8 | 8 |
| Mar 27, 2015 | Day | 0-0-0-3 | 3 | 3 |
| Mar 27, 2015 | Midday | 7-4-4-9 | 24 | 6 |
| Mar 26, 2015 | Night | 7-5-9-8 | 29 | 2 |
| Mar 26, 2015 | Evening | 7-5-5-8 | 25 | 7 |
| Mar 26, 2015 | Day | 7-5-4-2 | 18 | 9 |
| Mar 26, 2015 | Midday | 0-4-5-9 | 18 | 9 |
| Mar 25, 2015 | Night | 5-9-0-4 | 18 | 9 |
| Mar 25, 2015 | Evening | 3-8-5-5 | 21 | 3 |
| Mar 25, 2015 | Day | 7-5-2-4 | 18 | 9 |
| Mar 25, 2015 | Midday | 5-9-6-1 | 21 | 3 |