An incredible amount of rainfall in Kāpiti created raging rivers and streams, flooded streets, road diversions, debris slips, and more on Monday.
MetService meteorologist Lewis Ferris said weather recordings from Kāpiti Coast Airport showed in the 24 hours up to 9am on Tuesday there was 80.2mm of rain.
"In the rain event, from midnight on Monday, to 9am on Tuesday, there was 132.4mm recorded at the airport.
"That is a large amount of rain.
"December, on average, would see about 80mm of rainfall at the airport, so this was over one and a half times that in less than a two-day period.