Monthly Water Update

small map representing the district Tasmania


February 2020 Summary

Rainfall was average or higher than average across 92 per cent of the area and in particular over the Bass Strait islands. Total rainfall was 70 mm, similar to the long-term mean of 71 mm for February.

Streamflows were variable across the drainage division, but generally above average in the west and below average in the east. Mersey River - at Liena had the third highest streamflow for February since 1980. Macquarie River at Trefusis had the lowest streamflow for February since 1980.

Median streamflow salinity (electrical conductivity) varied between sites from 41 to 148 μS/cm. Streamflows were high quality for all sites. Mersey River at Shale Road had the highest salinity of all sites.

During February, the total storage volume increased by three per cent. By the end of the month, the volume of water stored was 59 per cent of the total accessible capacity, which is similar to that of 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 Tasmania

Rainfall statistics

Rainfall decile group Percentage of area
Highest on record since 1900 0%
Very much above average 3%
Above average 17%
Average 72%
Below average 8%
Very much below average 0%
Lowest on record since 1900 0%

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