May 2023 rainfall

Last month in May, sites received 48% of the typical year's rainfall with 257.2 mm of rain.

On average rainfall for May was 257.2 mm, 48% more typical May rainfall, and ranging from 11% more rainfall at Omahine at Moana Trig, and 86% more rainfall at Tawhiti at Duffys than a typical May.

Year to date rainfall ranges from 11% more rainfall at Waitotara at Hawken Rd, and 78% more rainfall at Whanganui at Mataimona Trig, with an average of 36% more than normal. Compared to typical full year totals, on average sites have already received 48% of a typical years rainfall, with the highest value at Hawera AWS, 57% of normal, whereas Uruti at Kaka Rd sits at 40% of the typical years total.

May 2023 hydrology report [PDF, 3.5 MB]

May 2023 rainfall maps

What you should know:

  1. The site maps show data from a selection of the sites we monitor, but not all of them.

  2. The distribution maps are based on mathematical modelling and may not accurately represent actual rainfall in some unmonitored areas.

Click on each map for larger version.

MONITORED SITES

 

RAINFALL DISTRIBUTION