South Australian Gulf
September 2017 Summary
Rainfall was very much below average (including lowest on record) across 47% of the area, mainly in the north and centre. Mean rainfall was 14 mm, 53% lower than the 1900 to 2016 mean of 30 mm for September.
Streamflows were average or higher than average for 81% of the sites.
Median streamflow salinities varied between 445 and 6178 microSiemens/cm. Streamflows were fresh for 43% of the sites and brackish for 14% of the sites. Broughton River at Mooroola had the highest salinity of all sites.
During September, the total storage volume increased by 3%. By the end of the month, the volume of water stored was 88% of the total accessible capacity, a decrease of 6% from the previous year.
|Rainfall decile group||Percentage of area|
|Highest on record since 1900||0%|
|Very much above average||0%|
|Above average||Less than 1%|
|Very much below average||39%|
|Lowest on record since 1900||8%|
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