How to use interactive chart:
- Hover over line to view sea temp for that date.
- Use sliders at bottom to adjust the time-frame displayed.
- Left Y-axis = degrees Celsius. Right Y-axis = degrees Fahrenheit.
- One data-point per day, calculated by the average of 48 observations per 24 hours.
- All-time high reading: 25.1C (77.2F) - July 27, 2006
- All-time low reading: 11.2C (52.2F) - March 16, 2002