South East Coast (NSW)
January 2020 Summary
Rainfall was variable across the drainage division; higher than average in the north, lower than average in the south and average in the middle. Total rainfall was 112 mm, two per cent lower than the long-term mean of 114 mm for January.
Streamflows were average for 47 per cent of the sites, mostly in the north. Lower than average streamflow dominated in the south of the drainage division. Karuah River at Booral and Clyde River at Brooman did not flow in January and had not been this low since January 1980.
Median streamflow salinity (electrical conductivity) varied between sites from 274 to 3346 μS/cm. Streamflows were high quality for 17 per cent and moderately saline for half of the sites. Bayswater Creek at Liddell had the highest salinity of all sites.
During January, storage volumes in all systems decreased. The Sydney system reduced by two per cent and reached 41 per cent of accessible capacity. By the end of the month, the volume of water stored in the division was 42 per cent of the total accessible capacity, which is 19 per cent lower than the previous year.
|Rainfall decile group||Percentage of area|
|Highest on record since 1900||0%|
|Very much above average||2%|
|Very much below average||Less than 1%|
|Lowest on record since 1900||0%|
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