South East Coast (NSW)
December 2022 Summary
Rainfall was lower than average across 82 per cent of the area, spread throughout the drainage division. Total rainfall was 46 mm, 54 per cent lower than the long-term mean of 101 mm for December.
Streamflows were average or higher than average for 95 per cent of the sites. Hunter River at Liddell had the fourth highest streamflow for December since 1980.
Median streamflow salinity (electrical conductivity) varied between sites from 354 to 5 605 μS/cm. Streamflows were high quality for 12 per cent of the sites and brackish for 38 per cent of the sites. Bayswater Creek at Liddell had the highest salinity of all sites.
During December, storage volumes decreased in three systems and remained stable in three. By the end of the month, the volume of water stored was 99 per cent of the total accessible capacity, which is six percentage points higher than the previous year.
|Rainfall decile group||Percentage of area|
|Highest on record since 1900||0%|
|Very much above average||0%|
|Very much below average||21%|
|Lowest on record since 1900||0%|
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