Annual updates are made to record minimums or maximums, meaning that a newly-established record may not immediately appear on the chart until after the annual update has been completed. To access data from additional years, simply click on the dates provided in the legend. Hovering over the line on the chart will display the daily sea ice extent values. Users can zoom in on specific areas of the chart by clicking and dragging their mouse. Clicking on a line in the chart will provide a corresponding daily sea ice concentration image, as sea ice extent is derived from sea ice concentration. Please remember to credit the "National Snow and Ice Data Center" when reusing Charctic images or data. Note that certain functionalities may not be supported in Internet Explorer; we recommend using an alternative browser for optimal performance. For further details about the data, refer to the information provided under "About Charctic data." Should you have any inquiries or encounter any issues,