22+ hour, 35+ min ago  (794+ words) Daily sea surface temperature (C) averaged over the extra-polar global ocean (60 S60 N) for 2023 (yellow), 2024 (orange), 2025 (red) and 2026 (dark red). All other years between 1979 and 2022 are shown with grey lines. The daily average for the 19912020 reference period is shown with a dashed grey…...