Quantile-quantile (QQ) plots for |Grad_Ne@100km| in the polar region when different distributions are trialled to represent these data. The distributions trialled were: First row, left to right: Birnbaum Saunders, Burr, Exponential and Extreme Value. Second row, left to right: Half normal, Inverse Gaussian, Logistic and Loglogistic. Third row, left to right: Lognormal, Nakagami, Normal and Rician. Fourth row, left to right: tLocation Scale and Weibull distributions. Right-hand panel: Gamma.