Corals around Montserrat have experienced elevated temperatures 12 times in the past 41 years.
<ol>
<li>Extreme stress - Severe Bleaching and Significant Mortality: DHW of 21.17 C on 09-Nov-2024 </li>
<li>Extreme stress - Severe Bleaching and Significant Mortality: DHW of 21.07 C on 01-Nov-2024 </li>
<li>Extreme stress - Severe Bleaching and Significant Mortality: DHW of 18.99 C on 30-Oct-2023 </li>
<li>Extreme stress - Severe Bleaching and Significant Mortality: DHW of 17.13 C on 31-Oct-2005 </li>
<li>Extreme stress - Severe Bleaching and Significant Mortality: DHW of 11.91 C on 23-Oct-2010 </li>
<li>Extreme stress - Severe Bleaching and Significant Mortality: DHW of 11.58 C on 25-Sep-2010 </li>
<li>Extreme stress - Severe Bleaching and Significant Mortality: DHW of 11.58 C on 29-Sep-2010 </li>
<li>Major stress - Bleaching: DHW of 7.10 C on 11-Nov-2019 </li>
<li>Major stress - Bleaching: DHW of 6.29 C on 21-Nov-2015 </li>
<li>Major stress - Bleaching: DHW of 5.13 C on 30-Oct-2006 </li>
<li>Major stress - Bleaching: DHW of 4.48 C on 02-Jan-2024 </li>
<li>Major stress - Bleaching: DHW of 4.34 C on 23-Oct-1999 </li>
</ol>
<p> The &#169;Cumulative Damage Index caused by coral bleaching events (days when the DHW > 1C) over the past 40 years is 2391. </p>