Is that not what the daily average sea surface temperature graph is showing? The 2024 line is above all the others, as is the 2023 line from May 8 onwards. Ed

Is that not what the daily average sea surface temperature graph is showing? The 2024 line is above all the others, as is the 2023 line from May 8 onwards. Edit: nvm, I see you are interpreting it as record breaking compared to all previous days, not just the same date in the previous calendar year.