Great Lakes Climate Quarterly

The “Quarterly Climate Impacts and Outlook: Great Lakes Region” is a brief bulletin published jointly by NOAA and Environment Canada summarizing the latest season’s weather and water level conditions and weather and water level-related impacts over the Great Lakes and provides an outlook for the upcoming quarter. It is published roughly four weeks after the end of each season. The geographic scope covers the Great Lakes basin and includes the international portion of the St. Lawrence River. It is published in March, June, September and December covering Winter (December–February); Spring (March–May); Summer (June–August) and Fall (September–November).


September 2016

June 2016

March 2016


December 2015

September 2015

June 2015 (Spring)

March 2015 (Winter)


December 2014 (Fall)

September 2014 (Summer)

June 2014 (Spring)

March 2014 (Winter)


December 2013 (Fall) – Experimental



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