Additional scenarios

Monday 16 February, 2026

16 February Outlook for the 2026/27 Season

The outlooks for 2026/27 seasonal determinations are based on historical flow records that have been adjusted to match climate conditions observed since 1975.

The scenarios for different inflow conditions we/re produced using the following terminology:

  • Wet: Inflow volumes to major storages that are greater in 10 years out of 100
  • Above Average: Inflow volumes to major storages that are greater in 30 years out of 100
  • Average: Inflow volumes to major storages that are greater in 50 years out of 100
  • Below Average: Inflow volumes to major storages that are greater in 70 years out of 100
  • Dry: Inflow volumes to major storages that are greater in 90 years out of 100
  • Very Dry: Inflow volumes to major storages that are greater in 95 years out of 100
  • Extreme Dry: Inflow volumes to major storages that are greater in 99 years out of 100

The following tables summarise possible HRWS seasonal determinations through the 2026/27 season.

Murray Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares

Inflow Conditions 1 July 2026 17 August 2026  15 October 2026 15 December 2026 15 February 2027
Wet 45% 71%  100% 100% 100%
Above Average 40% 50%  100%  100%  100% 
Average 37% 44%  82%  100%  100% 
Below Average 30% 39%  60%   92% 100% 
Dry 12% 33%  48%  60%  68% 
Very Dry 9% 30%  43%  49%  53% 
Extreme Dry 5% 13%  31%  34%  35% 

Goulburn Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares

Inflow Conditions 1 July 2026  17 August 2026  15 October 2026   15 December 2026 15 February 2027
Wet 40% 81%   100% 100%  100%
Above Average 23% 50%  99%  100%  100% 
Average 12% 41%  78% 100%  100% 
Below Average 5% 32%  55%  76%  84% 
Dry 0% 16%  35%  42%  45% 
Very Dry 0% 9%  28%  33%  35% 
Extreme Dry 0% 1%  8%  11%  13% 

Campaspe Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares

Inflow Conditions 1 July 2026 17 August 2026   15 October 2026   15 December 2026  15 February 2027
Wet 100% 100% 100% 100% 100% 
Above Average 32% 100%  100%  100%  100% 
Average 13% 68%  100%  100%  100% 
Below Average 6% 34%  85%  100%  100% 
Dry 2% 9%  21%  26%  28% 
Very Dry 2% 3%  5%  7%  7% 
Extreme Dry 2% 2%  2%  2%  2% 

Broken Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares

Inflow Conditions 1 July 2026 17 August 2026   15 October 2026   15 December 2026  15 February 2027
Wet 52% 71% 100% 100%  100%
Above Average 14% 71%  100%  100%  100% 
Average 0% 49%  100%  100%  100% 
Below Average 0% 1%  38%  100%  100% 
Dry 0% 0%  0%  0%  16% 
Very Dry 0% 0%  0%  0%  0% 
Extreme Dry 0% 0%  0%  0%  0% 

Loddon Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares

Inflow Conditions 1 July 2026 17 August 2026   15 October 2026   15 December 2026 15 February 2027
Wet 40% 81% 100% 100% 100%
Above Average 23% 50%  99%  100%  100% 
Average 8% 41%  78%  100%  100% 
Below Average 0% 32%  55%  76%   84%
Dry 0% 0%  18%  25%  31% 
Very Dry 0% 0%  0%  0%  0% 
Extreme Dry 0% 0%  0%  0%  0% 

Bullarook Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares

Inflow Conditions 1 July 2026 17 August 2026   15 October 2026  15 December 2026  15 February 2027
Wet 0% 100% 100%  100%  100% 
Above Average 0% 100%  100% 100%  100%
Average 0% 100%  100%  100%  100%
Below Average 0% 0% 100% 100% 100%
Dry 0% 0%  0%  0%  0% 
Very Dry 0% 0%  0%  0%  0%
Extreme Dry 0% 0%  0%  0%  0%