Mean surface water temperaturea 9.6 oC 49.2 oF
Min. surface water temperaturea -0.05 oC 31.9 oF
Max. surface water temperaturea 25.1 oC 77.2 oF
Rainfallb 47 km3/yr  
Evaporationb 42 km3/yr  
River Inflowb 36 km3/yr  
River Outflowb 47 km3/yr  
aData summarized from GLSEA Surface Water Temperature (1995-2010)
bBootsma, H. A. and R. E. Hecky 2003. A comparative introduction to the biology and limnology of the African Great Lakes. Journal of Great Lakes Research 29: 3-18.[pdf]


Daily surface temperature from 1995 - 2010


Water Level
Evaporation Change in Storage

Data from NOAA Great Lakes Environmental Research Laboratory


Other Resources

NOAA's National Weather Service