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Sydney Average Temperature vs Sunspot Number
Sydney Average Temperature and Sunspot Number correlate at r = +0.05 over 66 years (1960–2025), p = 0.695. With the time trend removed, r = +0.20. Not statistically significant.
Verdict: Not statistically significant. With n = 66, this correlation isn't statistically significant (p = 0.695). It could easily be chance.
- Pearson r
- +0.05
- p-value
- 0.695
- Years compared (n)
- 66 (1960–2025)
- 95% confidence interval
- -0.20 to 0.29
- Correlation with the time trend removed
- +0.20
Sources
- Sydney Average Temperature (°C): Open-Meteo (ERA5). Annual mean 2m air temperature for Sydney from the ERA5 reanalysis.
- Sunspot Number (yearly mean): SILSO. Yearly mean total sunspot number (SILSO, Royal Observatory of Belgium).
Related pairs
- Sydney Average Temperature vs Global Temperature Anomaly (r = +0.71)
- US Alcohol Consumption vs Sunspot Number (r = -0.70)
- US Dollar to Euro vs Sunspot Number (r = +0.66)
- Sydney Average Temperature vs US Population (r = +0.63)
- Sydney Average Temperature vs Atmospheric CO₂ (Mauna Loa) (r = +0.63)
- Sydney Average Temperature vs US Rural Population (r = -0.63)
Correlation does not imply causation. How the verdict is worked out.