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 Tanami - Timor Sea Coast

Tanami – Timor Sea Coast

December 2022 Summary

Rainfall was very much above average (including highest on record) across 43 per cent of the area, spread throughout the drainage division. Total rainfall was 176 mm, 74 per cent higher than the long-term mean of 101 mm for December. Rainfall was the eighth highest for December in the past 123 years.

Streamflows were very much above average (including highest on record) for 55 per cent of the sites. Ord River - Bedford Downs and Wilson River -Odonnell Range had the highest streamflows for December since 1980.

During December, storage volumes in all systems increased. By the end of the month, the volume of water stored was 70 per cent of the total accessible capacity, which is 11 percentage points higher than 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 3%
Very much above average 40%
Above average 35%
Average 20%
Below average 2%
Very much below average Less than 1%
Lowest on record since 1900 Less than 1%

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