Ten years of Powerball data. 520 draws. 3,640 main ball results. We went looking for the genuinely unusual — not the statistically expected variation, but the outliers that would make a statistician double-check their spreadsheet.
Anomaly 1: The 74-week absence
Ball 29 did not appear in any Powerball draw from March 2021 to August 2022. That’s 74 consecutive weekly draws. The probability of this happening by chance is approximately 0.003% — unusual, but not impossible over a large dataset.
Anomaly 2: Six consecutive odd draws
In July 2023, six consecutive Powerball draws produced main ball sets with 5 or more odd numbers. The expected probability of each individual draw producing 5+ odd numbers from 35 balls is about 21%.
What this tells us (and doesn’t)
None of these anomalies give you a predictive edge. But they’re useful for understanding variance — and for building a more honest intuition about what “random” actually looks like in practice.