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Arctic Sea Ice Extent (September) vs US Wind Power Generation
Arctic Sea Ice Extent (September) and US Wind Power Generation correlate at r = -0.72 over 43 years (1983–2025), p < 0.0001. With the time trend removed, r = +0.21. Likely spurious (shared time trend).
Verdict: Likely spurious (shared time trend). Both series mostly just trend over time. After removing that trend the correlation collapses to 0.21 — the relationship is probably coincidental, not causal.
- Pearson r
- -0.72
- p-value
- < 0.0001
- Years compared (n)
- 43 (1983–2025)
- 95% confidence interval
- -0.84 to -0.53
- Correlation with the time trend removed
- +0.21
Sources
- Arctic Sea Ice Extent (September) (million km²): NSIDC. Mean Arctic sea ice extent in September, the yearly minimum (NSIDC Sea Ice Index).
- US Wind Power Generation (TWh): Our World in Data. US Wind Power Generation (Our World in Data: Wind).
Related pairs
- US Wind Power Generation vs US Population Aged 65+ (r = +0.99)
- US Renewable Energy Share vs US Wind Power Generation (r = +0.99)
- US Wind Power Generation vs US Federal Debt Outstanding (r = +0.99)
- US Wind Power Generation vs US CO₂ Emissions per Capita (r = -0.95)
- US Wind Power Generation vs US R&D Expenditure (r = +0.95)
- US Wind Power Generation vs US GDP (current US$) (r = +0.94)
Correlation does not imply causation. How the verdict is worked out.