Fig. 5: Surprise index for each site event grouped according to 52 regional events.
From: How February 2022 redefines extreme floods in Australia
The index is computed for a maximum specific instantaneous peak flow and b ten-day total runoff. The bars show the index’s 25–75% percentile ranges for each regional event. The mean index is shown as a white circle. Items corresponding to the top four regional events, excluding 2022, are coloured in purple, and items related to the 2022 event are coloured in red.
