The winning Wisconsin Pick 4 numbers for April 16, 2021 were: midday 3-3-0-9; evening 5-9-4-3.
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 16, 2021 | Evening | 5-9-4-3 | 21 | 3 |
| Apr 16, 2021 | Midday | 3-3-0-9 | 15 | 6 |
| Apr 15, 2021 | Evening | 4-9-3-7 | 23 | 5 |
| Apr 15, 2021 | Midday | 1-8-9-9 | 27 | 9 |
| Apr 14, 2021 | Evening | 1-1-2-4 | 8 | 8 |
| Apr 14, 2021 | Midday | 0-7-8-9 | 24 | 6 |
| Apr 13, 2021 | Evening | 2-5-6-6 | 19 | 1 |
| Apr 13, 2021 | Midday | 1-5-4-3 | 13 | 4 |
| Apr 12, 2021 | Evening | 3-7-6-6 | 22 | 4 |
| Apr 12, 2021 | Midday | 0-9-1-0 | 10 | 1 |
| Apr 11, 2021 | Evening | 7-8-3-8 | 26 | 8 |
| Apr 11, 2021 | Midday | 3-3-2-9 | 17 | 8 |
| Apr 10, 2021 | Evening | 9-0-7-4 | 20 | 2 |
| Apr 10, 2021 | Midday | 0-5-4-8 | 17 | 8 |