NSW Summary Icon NSW Summary

Monthly indicators Icon Monthly indicators

Crop and pasture condition
Farm water availability
On ground reporting

Drought forecast

Climate outlook and drivers Icon Climate outlook and drivers

Regional breakdown Icon Regional breakdown

Overview
Central Tablelands LLS region
Central West LLS region
Greater Sydney LLS region
Hunter LLS region
Murray LLS region
North Coast LLS region
Northern Tablelands LLS region
North West LLS region
Riverina LLS region
South-East LLS region
Western LLS region

About the program Icon About the program

The Combined Drought Indicator
Acknowledgements
State Seasonal Update Climate outlook and drivers Global climate drivers Southern Oscillation Index
July 2025

Southern Oscillation Index (SOI)

  • The 30-day Southern Oscillation Index (SOI) for the 30 days to 1 August 2025 was +6.0.
  • The latest SOI value can be found on the Bureau of Meteorology’s website.
  • Sustained negative values of the SOI below −7 typically indicate El Niño while sustained positive values above +7 typically indicate La Niña.
Latest 30-day moving SOI
Sourced from the Australian Bureau of Meteorology
Image for Southern Oscillation Index
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