Cold• Drought • Flood/Rainfall • Fog • Hail • Health • Heat • Snow • Hurricane • Ice Storm • Lightning • Marine • Tornado • Wind
1. February mean surface water temperature for the Great Lakes (Saulesleja, 1986). Source: Saulesleja, 1986.
2. August mean surface water temperature for the Great Lakes (Saulesleja, 1986). Source: Saulesleja, 1986.
Sources
Assel, R.A., 2003a. Great Lakes Ice Cover, First Ice, Last Ice, and Ice Duration: Winters 1973-2002. NOAA TM GLERL-125. Great Lakes Environmental Research Laboratory, Ann Arbor, Michigan. Available online: http://www.glerl.noaa.gov/data/ice/atlas/ice_duration/duration.html
Assel, R.A., 2003b. An Electronic Atlas of Great Lakes Ice Cover: Winters 1973-2002. NOAA Great Lakes Ice Atlas, Great Lakes Environmental Research Laboratory, Ann Arbor, Michigan. Available online: http://www.glerl.noaa.gov/data/ice/atlas/index.html
The Canadian Hydrographic Service Central and Arctic Region (Fisheries and Oceans Canada), 2009. Historical monthly and yearly mean water level graphs 1918-2008. Available online: http:// www.waterlevels.gc.ca/ C&A/ netgraphs_e .html
Environment Canada, 2004. Lake Ice Climatic Atlas, Great Lakes, 1973-2002. Canadian Ice Service, Ottawa, Ontario. Available online: http://ice-glaces.ec.gc.ca/app/WsvPageDsp.cfm?ID=11682&LnId=23&Lang=eng
MacLaren Plansearch Limited, 1991. Wind and Wave Climate Atlas. Volume III-The Great Lakes. Prepared for: Transportation Development Centre, Policy and Coordination Group, Transport Canada. Available online: http:// www.meds-sdmm.dfo-mpo.gc.ca/ isdm-gdsi/ waves-vagues/ atlas/ vol3-eng.htm
Saulesleja, A.,1986. Great Lakes Climatological Atlas. Atmospheric Environment Service, Downsview, Ontario.
Data from ontario.hazards.ca