Issued on 6 March 2012

No Drought Statement issued for March

Coinciding with the 2011-12 La Niņa event, much of Australia has received above average rainfall in the last few months. Rainfall in recent months in southwestern Australia has provided some relief to long-term rainfall deficiencies in the area. Whilst there has not been enough rainfall to totally clear long-term deficiencies as reported in the September Drought Statement, rainfall that has been received means that there are currently no short-term deficiencies.

For more information on dry periods over Australia and extreme rain events see the Special Climate Statements issued by the Bureau of Meteorology. Especially a recent statement on Australia's wettest two-year period on record, and what this means for long-term rainfall deficiencies.

Definitions

Lowest on record - lowest in the historical analysis, which runs from 1900.
Severe deficiency - rainfalls in the lowest 5% of historical totals.
Serious deficiency - rainfalls in the lowest 10% of historical totals, but not in the lowest 5%.

Very much below average - rainfalls in the lowest 10% of historical totals.
Below average - rainfalls in the lowest 30% of historical totals, but not in the lowest 10%.
Average - rainfalls in the middle 40% of historical totals.
Above average - rainfalls in the highest 30% of historical totals, but not in the highest 10%.
Very much above average - rainfalls in the highest 10% of historical totals.

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