Fig. 14

a Regression coefficients for the number of rainy days in the ERA5 dataset onto the Kuroshio large meander index from 1982 to 2019. b Difference in the number of rainy days between the LM runs minus NLM runs. In a, b, contours indicate regions where the corresponding correlation coefficients and the difference are statistically significant at the 95% confidence level, respectively. Rainy days were defined using a 1.0 mm day⁻¹ threshold