There will be a planned outage of this website beginning 8:00 am CST on Monday, March 3 and lasting through Wednesday, March 5 as we migrate our network to EPA’s National Computer Center. During the move, this website will be unavailable. Please check the site on Thursday March 6, 2025 after 8 am CST as we hope to have all services restored by then. Il y aura une interruption programmée de ce site web à partir de 8h00 CST le lundi 3 mars et jusqu'au mercredi 5 mars, car nous transférons notre réseau vers le Centre National de l'Informatique de l'EPA. Pendant cette période, le site web sera indisponible. Veuillez vérifier le site le jeudi 6 mars 2025 après 8h00 CST, car nous espérons avoir rétabli tous les services d'ici là.

2020 Annual Climate Trends and Impacts Summary for the Great Lakes Basin

Posted: November 8, 2021

a partnership of climate services organizations in the U.S. and Canada, provides an overview of the climate trends and impacts in the basin for the year, including:

  • Information on the past year’s climate trends in the Great Lakes Basin – how ‘normal’ the climate and lake levels were;
  • A summary of some of the major climatic events; and,
  • A summary of relevant new climate research and activities.

The Summary provides a longer term trend analysis and compilation of the existing Great Lakes Quarterly Climate Summaries. It is intended for use by managers and practitioners at federal, state, provincial, regional, and local scales, as well as for stakeholders and the general public.

PDF (3.56 MB)