Figure 3: Monthly distribution of the instantaneous properties exceeding the 0.02 and 0.98 quantiles of their respective distributions.
From: Dynamical proxies of North Atlantic predictability and extremes

Maxima of (a) d and (c) θ and minima of (b) d and θ (d) for the NCEP reanalysis. The percentage values indicate the occurrences in each month. The colourscale refers to the values of the quantities.