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US Coal Consumption vs Sunspot Number
US Coal Consumption and Sunspot Number correlate at r = -0.02 over 61 years (1965–2025), p = 0.876. With the time trend removed, r = +0.00. Not statistically significant.
Verdict: Not statistically significant. With n = 61, this correlation isn't statistically significant (p = 0.876). It could easily be chance.
- Pearson r
- -0.02
- p-value
- 0.876
- Years compared (n)
- 61 (1965–2025)
- 95% confidence interval
- -0.27 to 0.23
- Correlation with the time trend removed
- +0.00
Sources
- US Coal Consumption (TWh): Our World in Data. US Coal Consumption (Our World in Data: Coal).
- Sunspot Number (yearly mean): SILSO. Yearly mean total sunspot number (SILSO, Royal Observatory of Belgium).
Related pairs
- US Coal Consumption vs US R&D Expenditure (r = -0.93)
- US Coal Consumption vs US Wind Power Generation (r = -0.90)
- US Dollar to British Pound vs US Coal Consumption (r = -0.87)
- US Coal Consumption vs US Solar Energy Consumption (r = -0.85)
- US Alcohol Consumption vs US Coal Consumption (r = -0.82)
- US Coal Consumption vs US Health Expenditure (r = -0.80)
Correlation does not imply causation. How the verdict is worked out.