Low water levels of Lake Gatun have led to limits on the use of the Panama Canal, which supports roughly a quarter of a trillion dollars of trade annually (CNBC, AP). The outcome will be determined using data as reported by the Panama Canal Authority (Panama Canal Authority - Gatun Water Level Indicators, download "Gatun Lake Historical Water Levels (CSV)"). Other data are also available on the Gatun Lake Water Levels dashboard (Panama Canal Authority - Gatun Lake Water Levels Dashboard).

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