Accumulated Freezing Degree Days thru Dec 16, 2016

Accumulated Freezing Degree Days N80 thru Dec 16, 2016:
Climatology:1787.3
2016:              944.3
Anomaly:       -843

Implied new ice thickness to date:
Per Lebedev:
Climo: 1.269 m
2016:   0.871 m

Per Billelo
Climo:  1.024 m
2016:    0.707 m