Another month has passed and so here is the updated Arctic sea ice volume graph as calculated by the Pan-Arctic Ice Ocean Modeling and Assimilation System (PIOMAS) at the Polar Science Center:
During October there was a slowdown in ice growth, which is also reflected in the PIOMAS numbers. 2019 was the third year since 2007 to record a volume increase under 2000 km3. Given that 2016 increased even more slowly, it has overtaken 2019, which is now third lowest on record. But as can be seen on the graph above, the difference with 2012 (99 km3) and 2016 (31 km3) is negligible.
Here's how the differences with previous years have evolved from last month:
If you carefully observe the 2019 trend line on Wipneus' version of the PIOMAS graph, you'll see that it would have been lowest, had it not shot up during the last week of October (more on that below):
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