Auckland hydrology situation report. 1 November 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 approximately 60% above the long-term average for October. Soil moisture status is high or very high for all sites in the region. All rivers are above the mean annual low flow (MALF). Groundwater levels have increased for all sites across the region. All sites in the north have normal or higher groundwater levels for this time of year. Many sites in the south are at low levels for this time of year, particularly for those in deep aquifers and those which respond slowly to rainfall. ...