Charctic Interactive Sea Ice Graph

• Record minimums or maximums are updated annually. Therefore, a newly-set record may not be reflected in the chart until after the annual update.
• View additional years by clicking the dates in the legend.
• Roll your cursor over the line to see daily sea ice extent values.
• Zoom in to any area on the chart by clicking and dragging your mouse.
• To see a corresponding daily sea ice concentration image, click on a line in the chart. Sea ice extent is derived from sea ice concentration. Images are not available for the average or standard deviation.
• When reusing Charctic images or data, please credit “National Snow and Ice Data Center.”
• Currently, some functions do not work in Internet Explorer. We recommend using a different browser.
• For more information about the data, see About Charctic data.
• If you have questions or problems, please contact NSIDC User Services at nsidc@nsidc.org.