Great Lakes surface temperature (1995-2015). This graph shows the average surface water temperatures in each of the Great Lakes, as measured by satellites. DATASOURCE: NOAA/EPA. WIDGET: factgraphs.org
Great Lakes surface temperature (1995-2015). This graph shows the average surface water temperatures in each of the Great Lakes, as measured by satellites. DATASOURCE: NOAA/EPA. WIDGET: factgraphs.org