The winning Oregon Pick 4 numbers for April 20, 2015 were: midday 6-7-4-9; day 2-2-9-1; evening 8-3-7-9; night 2-8-2-9.
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).
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 |
|---|---|---|---|---|
| Apr 20, 2015 | Night | 2-8-2-9 | 21 | 3 |
| Apr 20, 2015 | Evening | 8-3-7-9 | 27 | 9 |
| Apr 20, 2015 | Day | 2-2-9-1 | 14 | 5 |
| Apr 20, 2015 | Midday | 6-7-4-9 | 26 | 8 |
| Apr 19, 2015 | Night | 8-3-0-7 | 18 | 9 |
| Apr 19, 2015 | Evening | 5-0-8-8 | 21 | 3 |
| Apr 19, 2015 | Day | 6-7-9-2 | 24 | 6 |
| Apr 19, 2015 | Midday | 2-0-4-2 | 8 | 8 |
| Apr 18, 2015 | Night | 8-7-5-6 | 26 | 8 |
| Apr 18, 2015 | Evening | 2-5-8-0 | 15 | 6 |
| Apr 18, 2015 | Day | 8-3-4-1 | 16 | 7 |
| Apr 18, 2015 | Midday | 5-4-8-0 | 17 | 8 |
| Apr 17, 2015 | Night | 6-2-6-5 | 19 | 1 |
| Apr 17, 2015 | Evening | 0-4-8-1 | 13 | 4 |
| Apr 17, 2015 | Day | 0-7-2-6 | 15 | 6 |
| Apr 17, 2015 | Midday | 8-1-6-3 | 18 | 9 |
| Apr 16, 2015 | Night | 2-0-4-3 | 9 | 9 |
| Apr 16, 2015 | Evening | 1-6-0-2 | 9 | 9 |
| Apr 16, 2015 | Day | 7-9-4-1 | 21 | 3 |
| Apr 16, 2015 | Midday | 6-0-7-3 | 16 | 7 |
| Apr 15, 2015 | Night | 4-6-9-8 | 27 | 9 |
| Apr 15, 2015 | Evening | 6-0-0-0 | 6 | 6 |
| Apr 15, 2015 | Day | 7-6-7-9 | 29 | 2 |
| Apr 15, 2015 | Midday | 9-7-1-2 | 19 | 1 |
| Apr 14, 2015 | Night | 7-6-8-5 | 26 | 8 |
| Apr 14, 2015 | Evening | 3-6-4-9 | 22 | 4 |
| Apr 14, 2015 | Day | 9-8-7-9 | 33 | 6 |
| Apr 14, 2015 | Midday | 4-8-1-3 | 16 | 7 |