The Bureau has retired the Monthly Water Update. You can find information about rainfall, streamflow, stream salinity and storages in the Bureau's Water Information, Water Data Online, Australian Water Outlook, Drought statement and Climate Summaries. If you have questions or feedback about this retirement, please contact

Monthly Water Update

small map representing the district Carpentaria Coast

Carpentaria Coast

December 2022 Summary

Rainfall was higher than average across 66 per cent of the area, spread throughout the drainage division. Total rainfall was 176 mm, 44 per cent higher than the long-term mean of 122 mm for December.

Streamflows were average or higher than average for 95 per cent of the sites. Archer River at Telegraph Crossing and Dulhunty River at Dougs Pad had the second highest streamflows for December since 1980.

Median streamflow salinity (electrical conductivity) varied between sites from 38 to 1 628 μS/cm. Streamflows were high quality for 60 per cent of the sites. Gregory River at Riversleigh No.2 had the highest salinity of all sites.

During December, the total storage volume of Mount Isa (the only storage in the area) increased by 10 per cent. By the end of the month, the volume of water stored was 106 per cent of the total accessible capacity, which is three percentage points higher than the previous year.

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Streamflow salinity

Water storages


Rainfall statistics

Rainfall decile group Percentage of area
Highest on record since 1900 0%
Very much above average 15%
Above average 51%
Average 29%
Below average 4%
Very much below average 1%
Lowest on record since 1900 0%

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