Cold/Wind Chill in Lower Yukon Valley, Alaska

Continuation of event from January...While northern Alaska was under a relatively cold airmass already, a large pool of colder air moved from the Russian high Arctic Ocean to the Chukchi Sea coast west of Barrow on Jan. 29th and proceeded southeast to the interior of Alaska through the 31st, where it remained until being slowly warmed February 10-12th. Many locations over Zones 4 and 8 (Western Interior) and western zones 5 and 7 (Central Interior) remained in the 50s below during the period and reached the 60s below one or more times.Zone 4: Bettles -64 8th & 9th; Wiseman -65 9th; Coldfoot DOT-60 5th; Unofficial: Jim River DOT -62 10th.Zone 5: Beaver: -63 5th; Tanana -60 4th, 8th; Fort Yukon -60 5th; Circle Hot Springs: -62 5th, 6th; Stevens Village -58 4th, 5th; Eagle -60 5th.Zone 7: Nenana -60 5th; Fairbanks -55 Feb 4th; University of AK Co-op: -54 5th; Eielson AFB: -53 4th, 5th; North Pole: -59 5th; Two Rivers: -59 5th; Gilmore Creek -53 4th; Moose Creek -57 4th; Healy: -51 4th; Delta Junction 20 Se: -63 4th; Delta Dairyaire: -65 3rd; Montana Creek DOT: -65 4th; Tanacross: -55 5th; Anderson: -56 4th, 5th; McKinley Park: -54 5th.Zone 8: Galena: -64 2nd; Kaltag -65 7th; Ruby: -58 6th; Grayling: -58 1st, 2nd, 4th.