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File: CRW_florida-keys_graph-pair_1240.gif

File name: CRW_florida-keys_graph-pair_1240.gif
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Alternate Text: Two line graphs showing water conditions in July 2023 compared to normal
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Two line graphs showing water conditions in July 2023 compared to normal

Image caption

(top) Sea surface temperatures in the Florida Keys were well above average for most of 2023 (red line), but reached record warmth in mid-July. (bottom) The accumulated heat stress so far this year (red line), measured by “Degree Heating Week,” was record-high and record-early. NOAA Climate.gov image, based on NOAA Coral Reef Watch data.