There were plenty of April showers last month with nearly 775mm of rain at the North Egmont Visitors Centre and 574.5mm at Dawson Falls.
Rainfall was on average 101.8% of the long-term average, and ranged from 65% at Taungatara at Eltham Rd and Oeo u/s Awatuna Wetland, to 192% at Matarawa at Matarawa Valley. Year to date rainfall is sitting between 103% (Mangati at SH3) and 206% (Matarawa at Matarawa Valley) with an average of 139.7% of normal.
Mean river flows were 133.8% of typical values, low flows were 243.5%, and high flows 114.3%, of typical values while Mean river (non-mountain) water temperatures were 14.4ºC, an average of +0.3ºC different to long-term April values. The average air temperature for the region (excluding Te Maunga sites) was 15.2ºC, which is +0.6ºC relative to normal.
April 2023 hydrology report [PDF, 993 KB]
For a more detailed analysis of the rainfall at the North Egmont Visitors Centre, click here [JPG, 106 KB].
April 2023 rainfall maps
What you should know:
-
The site maps show data from a selection of the sites we monitor, but not all of them.
-
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
]