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Central Freshwater Biogeographic Province

Central Freshwater Biogeographic Province – Climate

Wet season (Jan-Apr) Average temperature (22°) Temperature varies along a north south gradient Evaporation exceeds rainfall Width of riparian zone (42m) Small, medium trees Grasses Low relief ratio Phosphorus limiting Percentage of water which is base flow (9%) Annual spate duration (1 month) Annual no-flow duration (4 months) Granite Sandstone Medium macroinvertebrate richness Low turbidity Large woody debris cover (17%) Submerged and emergent macrophyte growth forms dominant Concave bank shape category Convex bank shape category Dominant bank slope (10°-80°) Fauna

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Annual mean precipitation is largely moderate across the FBP. Areas receiving high rainfall are located along the coast. There is a north to south gradient of values for the driest quarter mean precipitation ranging from dry to wet, the lowest value being 0 mm. Rainfall erosivity, the potential for rainfall-induced soil loss[1], is low to high throughout the FBP, though it decreases with distance from the coast. Areas of the FBP that receive the highest annual mean precipitation have the highest rainfall erosivity values.

The minor occurrence of valley bottom flat areas suggests floodplains and the processes associated with floodplain inundation are not as important to the ecology in this FBP as they are in the Murray-Darling. Heavy rainfall events in this FBP are unlikely to result in increased periods of productivity due to the decreased occurrence of floodplain inundation. The dominance and broad distribution of erosional areas suggests most rainfall will run off the landscape and into the instream channel.

Information about Rainfall

Information about methods

Mean SE Minimum Maximum
Annual mean precipitation (mm) 704.25 0.10 489 2732
Driest quarter precipitation (mm) 59.77 0.010 0 189
Rainfall erosivity (MJ mm ha-1 hr-1 yr-1) 3023.61 0.87 1621 26894

Central FBP Rainfall Maps  

State Rainfall Map


On average the mean temperature for the FBP ranges from cold to moderate; there is a rough north-south gradient with hotter temperatures to the north.  There also appears to be an east-west gradient related to the maximum and minimum weekly temperatures.  Coastal areas consistently have lower maximum and minimum temperatures than inland areas.  The ratio of the weekly maximum and minimum temperatures is greatest in the south-east corner, though it is variable throughout the FBP. Seasonality in temperature is pronounced in the south of the FBP but not in coastal areas. 

Information about Temperature

Information about methods

Mean SE Minimum Maximum
Mean annual temperature (°C) 21.53 0.0005 24.00 15.50
Highest weekly mean maximum temperature (°C) 33.18 0.0007 35.60 25.90
Lowest weekly mean minimum temperature (°C) 7.24 0.0011 15.30 1.00
Ratio hottest weekly maximum to coldest weekly minimum 5.19 0.0010 29.30 2.00

Central FBP Temperature Maps  

State Temperature Map

Water balance

Mean annual run-off in most of the FBP, particularly the inland areas, is low to negligible (0.01 mm), meaning that most rainfall is lost as evaporation. Mean annual run-off along the coast ranges from low to high.

Information about climate

Information about methods


  1. ^ Stein, JL (2005), Landscape characteristics of Queensland Freshwater Biogeographical Provinces, Centre for Resource and Environmental Studies, Australian National University.

Last updated: 22 March 2013

This page should be cited as:

Department of Environment, Science and Innovation, Queensland (2013) Central Freshwater Biogeographic Province – Climate, WetlandInfo website, accessed 18 March 2024. Available at:

Queensland Government
WetlandInfo   —   Department of Environment, Science and Innovation