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File: Ocean--Monthly--Difference-from-average-Sea-Surface-Temperature--Global--2023-09-00--large.png

map showing September 2023 global ocean temperature anomaly

Image caption

September 2023 sea surface temperature difference from the 1985-1993 average (details from Coral Reef Watch). Much of the global oceans are warmer than average. NOAA Climate.gov image from Data Snapshots.