Autumn average temperature at Utqiaġvik (Barrow) since 1921.
With an average temperature of 23.0°F (-5.0°C), this was the sixth mildest fall (September through November) of record at Utqiaġvik (Barrow). The typical autumn is now 10F (5.6C) warmer than in the 1970s, and seven of the ten warmest have occurred since 2005. The increase in temperature is strongly correlated with the decrease in autumn sea ice. Climate observations have been made without a break at Utqiaġvik since October 1920.