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Tokyo Average Temperature vs US Unemployment Rate

Tokyo Average Temperature and US Unemployment Rate correlate at r = -0.34 over 35 years (1991–2025), p = 0.049. With the time trend removed, r = -0.29. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.049) and the association survives trend removal (detrended r = -0.29). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.34
p-value
0.049
Years compared (n)
35 (1991–2025)
95% confidence interval
-0.60 to -0.00
Correlation with the time trend removed
-0.29

Sources

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Correlation does not imply causation. How the verdict is worked out.