Auckland hydrology situation report. 4 October 2021
Author:Kolt Johnson, Auckland Council Research and Evaluation Unit, RIMU
Source:Auckland Council Research and Evaluation Unit, RIMU
The New Zealand Drought Index for the Auckland Region continues to decline well below the first category of Dry. Regional monthly rainfall was 38% above the long-term average for September. Soil moisture varied considerably across the region, with low soil moisture still recorded at southern sites. All rivers are above the mean annual low flow (MALF). Groundwater levels are variable, but low levels persist in deep aquifers and those which respond slowly to rainfall. ...