Accumulated freezing degree days for winter 2020-21 through mid-April at Utqiaġvik are very similar to last year. At only 81% of average, far below the typical 20th-century spread. Accumulated freezing matters to permafrost and to local sea ice. #akwx #Arctic Climatologist49 https://t.co/sXi4fuM7fvAccumulated freezing degree days for winter 2020-21 through mid-April at Utqiaġvik are very similar to last year. At only 81% of average, far below the typical 20th-century spread. Accumulated freezing matters to permafrost and to local sea ice. #akwx 6609108 Accumulated freezing degree