June 2023 rainfall

June bucked the trend for more than average monthly rainfall since the start of 2023 with an average of 74.9mm, or just 58% of the typical amount for the month.

This ranged from 80% less rainfall at Waitotara at Ngutuwera, and 37% less rainfall at Brooklands Zoo at New Plymouth than a typical June. Year to date rainfall ranges from 5% less rainfall at Uruti at Kaka Rd, and 45% more rainfall at Whanganui at Mataimona Trig, with an average of 16% more than normal.

Mean river flows for June were 41.6% lower than typical values, low flows were 21% greater, and high flows 58.2% lower than typical values while average river (non-mountain) water temperatures were 10.6°C, about the same as long-term June values.

The average air temperature for the region (excluding Te Maunga sites) was 10.3°C. June average wind speeds were 15 km/hr, with average gust strength of 40.6 km/hr, these were 1.4 km/hr lighter, and 4.7 km/hr weaker than the long-term average.

June 2023 hydrology report [PDF, 3.7 MB]

June 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