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

Extract

Regional summary

• Regional monthly mean rainfall for January 2026 was 247mm, approximately 220% above the mean.
• 10 out of 10 sites have a soil moisture status of normal or higher.
• All 36 river monitoring sites are above the mean annual low flow (MALF).
• 33 (89%) groundwater sites are at a normal or higher groundwater level status.

February 2026

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

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