How many 1 in a 100 year events have we had lately? 400mm of rain in Akaroa down south sounds suspiciously like this is more of a 1 in a thousand year event – that’s rainfall in Westport proportions! And meanwhile, of course, we have some rain up here in Wellington and inevitably, Plimmerton gets flooded out. Why is this? I’m glad you asked. Plimmerton Roundabout…