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Lake Superior's water level was at a new record low in September 2007, slightly less than the previous record low in 1926. [25] Water levels recovered within a few days. [26] Historic high water The lake's water level fluctuates from month to month, with the highest lake levels in October and November. The normal high-water mark is 1.17 feet (0 ...
During June and July, water temperatures are usually below 15 °C (59 °F) and as a result fog is frequent. August is the warmest month with an average high of 20 °C (68 °F). August is when water temperatures on Lake Superior peak, with an average maximum of 19 °C (66 °F).
One ecological form is long-lived potamodromous populations in Lake Superior known as coaster trout or coasters. ... Water temperatures typically range from 34 to 72 ...
Meteorologists and Minnesota residents often refer to this day as "Black Sunday". There were reports of heavy rain as far north as Duluth that day. The waves on Lake Superior in Duluth that night were reportedly over 20 feet (6.1 m) high at times; the lake had 36 °F (2 °C) water with gale-force winds gusting up to 45 miles per hour (72 km/h).
The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes spanning the Canada–United States border.The five lakes are Superior, Michigan, Huron, Erie, and Ontario (though hydrologically, Michigan and Huron are a single body of water, as they are joined by the Straits of Mackinac).
Lake Michigan’s surface temperature is still trending a few degrees warmer than average, according to National Oceanic and Atmospheric Administration CoastWatch data going back to 1995.
The state is nearly 500 miles (805 km) from any large body of water (with the exception of Lake Superior), and temperatures and precipitation vary widely. It is far enough north to experience −60 °F (−51 °C) temperatures and blizzards during the winter months, but far enough south to have 114 °F or 45.6 °C temperatures and tornado ...
Last summer, Lake Michigan was 10 degrees above normal, which resulted in the water taking longer to cool down in the winter. At the start of the year, only 3% of the Great Lakes were covered in ice.