Tasmania
December 2022 Summary
Rainfall was lower than average across 61 per cent of the area, mainly in the west and north. Total rainfall was 68 mm, 31 per cent lower than the long-term mean of 99 mm for December.
Streamflows were average or higher than average for 91 per cent of the sites. Clyde River Downstream Lake Crescent had the highest streamflow for December since 1980.
Median streamflow salinity (electrical conductivity) varied between sites from 60 to 173 μS/cm. Streamflows were high quality for all of the reporting sites.
During December, the total storage volume decreased in the Lake Margaret system. By the end of the month, the volume of water stored was 90 per cent of the total accessible capacity, which is 14 percentage points higher than the previous year.
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Rainfall
Streamflow
Streamflow salinity
Water storages
Rainfall
Rainfall statistics
| Rainfall decile group | Percentage of area |
|---|---|
| Highest on record since 1900 | 0% |
| Very much above average | 0% |
| Above average | 8% |
| Average | 31% |
| Below average | 54% |
| Very much below average | 7% |
| Lowest on record since 1900 | 0% |
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