Anchorage records first official frost of the season
It’s been a chilly week across southcentral Alaska, and just before 8 a.m. Friday Anchorage finally recorded its first official frost of the season.
Temperatures in many areas of the Anchorage bowl have dropped below freezing this week, with some spots reaching the upper 20s. However, because climate data is recorded at Ted Stevens Anchorage International Airport, it doesn’t officially count until the thermometer reads 32 degrees at that location.
Friday’s temperature was the first frost since April 21, when a low of 30 degrees was recorded. That’s a stretch of 161 consecutive days with temperatures above freezing. According to the National Weather Service, this is the second-longest growing season on record for Anchorage.
On average, Anchorage usually records its first frost around Sept. 23. Last year, it happened on Sept. 20.
Juneau experienced its first frost of the season around 3 a.m. Thursday — the first frost for the Mendenhall Valley since April 21.
In Fairbanks, the first frost occurred earlier this month on Sept. 8, ending a 125-day above freezing streak. This marked the 12th-longest growing season on record in Fairbanks.
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