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RIMU hydrology situation report. 2 June 2021


Author:  
Kolt Johnson, Auckland Council Research and Evaluation Unit, RIMU
Source:  
Auckland Council Research and Evaluation Unit, RIMU
Publication date:  
2021
Topics:  
Environment

Extract

Regional summary for May 2021

The New Zealand Drought Index for the Auckland Region remains below the first category of Dry. However, the total rainfall for May (a regional average of 74mm) was approximately half of the long-term average. Soil moisture dropped out of the normal range for 7 of 10 sites, two of which are at a Very Low status. Most rivers are above the mean annual low flow (MALF), except for three small streams. Groundwater levels are low for many aquifers, particularly deep aquifers and those which respond slowly to rainfall.. ...

June 2021