Monthly Water Update

small map representing the district South Australian Gulf

South Australian Gulf

February 2020 Summary

Rainfall was higher than average across 85 per cent of the area of the drainage division. Total rainfall was 49 mm, 145 per cent higher than the long-term mean of 20 mm for February.

Streamflows were average or lower than average for 99 per cent of the sites, predominantly in the central east (north of Adelaide). These areas did not receive as much rain as further north.

Median streamflow salinity (electrical conductivity) varied between sites from 538 to 6097 μS/cm. Streamflow was fresh for 20 per cent of the sites, brackish for 20 per cent and saline for 40 per cent of the sites. Wakefield River near Rhynie had the highest salinity of all sites.

During February, the total storage volume decreased by four per cent. By the end of the month, the volume of water stored was 44 per cent of the total accessible capacity, which is similar to February 2019.

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map visualising rainfall details


map visualising streamflow details

Streamflow salinity

map visualising salinity details

Water storages

map visualising storage details


map visualising rainfall details for South Australian Gulf

Rainfall statistics

Rainfall decile group Percentage of area
Highest on record since 1900 0%
Very much above average 39%
Above average 46%
Average 14%
Below average Less than 1%
Very much below average Less than 1%
Lowest on record since 1900 0%

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