Recent observations
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Ottawa River - Ottawa River
643 datapoints on 65 dates (April 13 2019 → December 07 2025)
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Centennial Park in Town of Deseronto - Lake Ontario at Mohawk Bay
411 datapoints on 40 dates (June 20 2017 → November 01 2025)
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near Glenora, Prince Edward County - Lake on the Mountain
574 datapoints on 52 dates (July 29 2017 → October 28 2025)
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Long Point Harbour - Lake Ontario
230 datapoints on 23 dates (October 11 2021 → October 27 2025)
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Point Petre Provincial Wildlife Area - Lake Ontario at Soup Harbour
165 datapoints on 16 dates (May 16 2023 → October 25 2025)
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Smiths Bay - Smiths Bay on Lake Ontario
406 datapoints on 37 dates (November 05 2019 → October 25 2025)
