Line graph time series showing daily Arctic sea ice extent in the Hudson Bay for 2023 compared to each year from 1979 to 2022. There is a large seasonal cycle on this graph and a long-term decreasing trend for days during the melt season from June to December.
https://fediscience.org/system/media_attachments/files/111/675/636/115/650/735/original/eadcdbee8c9688f7.png