5 ms·

Pretty sure that graph shows that the sea ice over the last 5 years has been significantly less than the mean value from 1981-2000, even if you allow for 2 stan

Pretty sure that graph shows that the sea ice over the last 5 years has been significantly less than the mean value from 1981-2000, even if you allow for 2 standard deviations from the mean.

lazyjones 7y ago
And significantly more than in the past years.
- philbarr 7y ago
  Right - the chart shows that there was significantly more ice on average for 1981-2000 than there has been in the last 5 years. Hence the ice is decreasing. Go look at the chart again.