Tanami – Timor Sea Coast
September 2019 Summary
Rainfall was variable across the drainage division, with higher than average rainfall occurring in 45 per cent of the area mainly in the west and south. Lower than average rainfalls occurred predominantly in the northeast. Mean rainfall was 5 mm, which is also the long-term mean for September.
Streamflows were average or lower than average for 95 per cent of the sites. Katherine River at Railway Bridge had the lowest streamflow for September since 1980.
During September, the accessible volumes in all storage systems decreased. By the end of the month, the volume of water stored was 44 per cent of the total accessible capacity, a decrease of 27 per cent from the previous year.
|Rainfall decile group||Percentage of area|
|Highest on record since 1900||0%|
|Very much above average||13%|
|Very much below average||2%|
|Lowest on record since 1900||0%|
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