Powerball’s weirdest decade: 11 anomalies hiding in the last 520 draws.

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.

Important context: With 35 balls and decades of draws, rare events are expected to occur occasionally. A 0.003% probability event happening once in 500+ draws is actually consistent with random chance.

consecutive draws without ball 29 — the longest documented absence for any single Powerball number in the last decade.

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.

Powerball’s weirdest decade: 11 anomalies hiding in the last 520 draws.

Anomaly 1: The 74-week absence

Anomaly 2: Six consecutive odd draws

What this tells us (and doesn’t)

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Play informed, not impulsively.