Monthly Water Update

small map representing the district Pilbara-Gascoyne


July 2019 Summary

Rainfall was average or lower than average. Mean rainfall was eight mm, 65 per cent lower than the long-term mean of 23 mm for July.

Streamflow was average to lower than average for 77 per cent of the sites across the drainage division.

During July, the total accessible volume in the only storage (the Pilbara storage system) decreased by one per cent. By the end of the month, the volume of water stored was 28 per cent of the total accessible capacity, a decrease of 27 per cent from the same time last 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 0%
Very much above average 0%
Above average Less than 1%
Average 43%
Below average 45%
Very much below average 11%
Lowest on record since 1900 Less than 1%

Data files are in zipped ASCII, CSV and text formats
File package size: 28Kb