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East Region
*The long term average (LTA) has been calculated statistically, using the long term data record for this hydrograph. The respective drought zones are used as operational triggers, and have been derived using the LTA.
Rainfall in our East region was well below average in May at 38% of the Long Term Average (LTA). Over the last three months (March to May inclusive), our East region has received below average rainfall (42% of the LTA) and below average effective precipitation (22% of the LTA). Soils dryness (SMD) remains well above average, meaning any forthcoming rainfall is unlikely to contribute to groundwater recharge.
Groundwater levels continued to decline through May and remain below average due to below average rainfall and effective precipitation the last three months. Groundwater levels are likely to remain below average over the next six months. A drier summer could result in levels hitting Environmental Stress in midsummer.
Please refer to our Drought Plan for what this means for us and our customers.