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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Rainfall
Streamflow
Water storages
Rainfall
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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