I see that Alaska suffers from the same daylight misconceptions as here.
November-january would be darker than you expected, with 18 hours of darkness at a latitude of 60N in december.
February and october would have something like 15 hours of darkness.
At the equinoxes, in september and march, 12 hours of day and night, just like everywhere else on the planet.
April-early september, Alaska would have more daylight than you expected, up to 18 hours of sun in june at 60N latitude which would be combined with twilight that never quite faded but might give about 3 hours of 'night' time.
(Last night, here at 70N latitude, I saw stars for the first time since early april.)
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Date: 2011-08-29 05:49 am (UTC)November-january would be darker than you expected, with 18 hours of darkness at a latitude of 60N in december.
February and october would have something like 15 hours of darkness.
At the equinoxes, in september and march, 12 hours of day and night, just like everywhere else on the planet.
April-early september, Alaska would have more daylight than you expected, up to 18 hours of sun in june at 60N latitude which would be combined with twilight that never quite faded but might give about 3 hours of 'night' time.
(Last night, here at 70N latitude, I saw stars for the first time since early april.)