Monthly Water Update

small map representing the district Tanami - Timor Sea Coast

Tanami – Timor Sea Coast

September 2017 Summary

Rainfall was variable across the drainage division with average or higher than average dominant in the south and below average to very much below average in the north. Mean rainfall was 4 mm, 20% lower than the 1900 to 2016 mean of 5 mm for September.

Streamflows were average or higher than average for 96% of the sites. Bedford Downs had the highest streamflow for September since 1980.

During September, storage volumes in all systems decreased. By the end of the month, the volume of water stored was 94% of the total accessible capacity, an increase of 33% from the previous year.

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map visualising rainfall details


map visualising streamflow details

Water storages

map visualising storage details


map visualising rainfall details for Tanami - Timor Sea Coast

Rainfall statistics

Rainfall decile group Percentage of area
Highest on record since 1900 Less than 1%
Very much above average 4%
Above average 16%
Average 34%
Below average 44%
Very much below average 1%
Lowest on record since 1900 0%

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