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Sydney Average Temperature vs US Wind Power Generation

Sydney Average Temperature and US Wind Power Generation correlate at r = +0.41 over 43 years (1983–2025), p = 0.0057. With the time trend removed, r = -0.26. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.0057) and the association survives trend removal (detrended r = -0.26). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
+0.41
p-value
0.0057
Years compared (n)
43 (1983–2025)
95% confidence interval
0.13 to 0.64
Correlation with the time trend removed
-0.26

Sources

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