(Version 3.2, released January 25, 2022)
Annual Maximum SST Anomaly
Annual Maximum Degree Heating Week (DHW)
Within-year SST Average
Within-year SST Variability
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Stress Frequency (261Mb) | Stress Onset (421Mb) | SST Variability (261Mb) | SST Trend (141Mb)
Climatology (621Mb) | Annual History (7.3Gb)
Annual History metrics: The maximum experienced satellite sea surface temperature (SST), SST Anomaly, and Degree Heating Week (DHW, accumulated heat stress) metrics for each year during 1985-2021 are provided at coral reef-containing and adjacent satellite pixel locations worldwide, using the Version 3.1 daily global 5km CoralTemp satellite SST data product.
Where relevant, the range of values calculated from analyzed pixels is shown in [brackets] after each metric name.
Annual Maximum SST [20.1-38.3°C], SST Anomaly [-0.7-7.5°C] and DHW [0.0-38.1°C-weeks]: For each year during 1985-2021, and at each location, we provide the warmest SST, the greatest SST Anomaly (i.e., the departure from the expected SST value at each location for that time of year, derived from the monthly climatology; see the Climatology page), and the highest DHW.
Within-year SST Average [16.3-30.7°C]: For this metric, the average temperature is determined for each year in the time-series (1985-2021).
Within-year SST Variability [0.17-7.02°C]: For this metric, the standard deviation of temperature is determined for each year in the time-series (1985-2021).