Coral Bleaching - Florida Keys
Corals around Florida Keys have experienced elevated temperatures 14 times in the past 41 years.
- Extreme stress - Severe Bleaching and Significant Mortality: DHW of 19.55 C on 21-Sep-2023
- Extreme stress - Severe Bleaching and Significant Mortality: DHW of 17.62 C on 05-Sep-2023
- Extreme stress - Severe Bleaching and Significant Mortality: DHW of 12.65 C on 26-Sep-2024
- Extreme stress - Severe Bleaching and Significant Mortality: DHW of 9.05 C on 28-Aug-2024
- Extreme stress - Severe Bleaching and Significant Mortality: DHW of 8.85 C on 13-Sep-2014
- Extreme stress - Severe Bleaching and Significant Mortality: DHW of 8.80 C on 18-Sep-2015
- Major stress - Bleaching: DHW of 7.51 C on 21-Sep-2007
- Major stress - Bleaching: DHW of 7.20 C on 27-Sep-2022
- Major stress - Bleaching: DHW of 6.78 C on 13-Sep-2019
- Major stress - Bleaching: DHW of 6.18 C on 12-Sep-2020
- Major stress - Bleaching: DHW of 5.56 C on 24-Sep-2011
- Major stress - Bleaching: DHW of 4.63 C on 29-Aug-2010
- Major stress - Bleaching: DHW of 4.32 C on 23-Sep-1997
- Major stress - Bleaching: DHW of 4.22 C on 24-Sep-2016
The ©Cumulative Damage Index caused by coral bleaching events (days when the DHW > 1C) over the past 40 years is 2558.
For information about why elevated temperatures are so damaging to corals, go to
Coral Bleaching.
The record of Degree Heating Weeks (DHW) over the past 40 years
The ©Cumulative Damage Index caused by coral bleaching events (days exceeding DHW > 1) over the past 40 years
The data on this page were last updated on 3 May 2024. The next update is scheduled for 1 June 2024.
