Hydrology, rainfall information for Auckland, published on the first of the month.

Extract

Regional summary

• Regional monthly mean rainfall for March 2025 was 30mm, approximately 72% below the mean.
• 2 out of 10 sites have a soil moisture status of normal or higher.
• 15 river monitoring sites are above and 21 sites below the mean annual low flow (MALF).
• 17 (46%) groundwater sites are at a normal or higher groundwater level status. ...

April 2025

https://aklc.hydrotel.co.nz/HydroSitRep.html

Any questions and for more information email EnvironmentalData@aucklandcouncil.govt.nz