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A table showing the statistical outputs of the latitude*year model. The overall P value for the model was <0.001, and the R 2 = 0.459
| Variable | Coefficient estimate | P value |
|---|---|---|
| latitude | −0.330 days per degree | 0.0400 |
| year | −0.913 days per year | 0.0054 |
| latitude*year | 0.0186 | 0.0218 |
