Monthly Water Update

small map representing the district Pilbara-Gascoyne


September 2017 Summary

Rainfall was very much above average (including highest on record) across 56% of the area, predominantly in the centre. Mean rainfall was 13 mm, 160% higher than the 1900 to 2016 mean of 5 mm for September.

Streamflows were variable across the drainage division. Karlanew Peak and Nine Mile Bridge had the second highest streamflows for September since 1980.

During September, the total storage volume decreased by 4%. By the end of the month, the volume of water stored was 83% of the total accessible capacity, an increase of 55% 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 Pilbara-Gascoyne

Rainfall statistics

Rainfall decile group Percentage of area
Highest on record since 1900 2%
Very much above average 54%
Above average 32%
Average 8%
Below average 4%
Very much below average Less than 1%
Lowest on record since 1900 0%

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