Southeast 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.
*Drought zone 1 is the LTA in Southeast region.
Rainfall in our Southeast region was just below average in October at 94% of the Long Term Average (LTA)). Over the last three months (August to October inclusive), our Southeast region has received equal to average rainfall (98% of the LTA) and below average effective precipitation (68% of the LTA). Soil dryness (SMD) is currently below average levels for the time of year, meaning that any forthcoming rainfall is likely to contribute more to groundwater recharge.
Groundwater levels continue to decline at a slower rate than the LTA but remain above average due to the above average rainfall last recharge period. Groundwater levels are likely to remain above average over the next six months if rainfall is more than 80% of the LTA. Groundwater levels are similar to where they were at this point in time last year.
Please refer to our Drought Plan for what this means for us and our customers.