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Weekly and Monthly SST Anomaly Products are calculated by subtracting a SST climatology (8-day or monthly from 1985 to present) from a SST composite (8-day or monthly). The results show areas where the sea-surface temperature was warmer (shades of red) or colder (shades of blue) than the climatological average, for the selected period. The climatologies were created using locally collected AVHRR data and Pathfinder SST provided by Peter Cornillon (University of Rhode Island). These products are currently updated every ~8 days.