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International Falls MN is at the same latitude as Paris France btw.
The increase per degree latitude gets higher as one gets further north.
No kidding. The difference in daylight between Valdez and Fairbanks is 1 hr 57 minutes today, and the difference in latitude is 3.7 degrees. The difference between Key West and International Falls is only 23 minutes more, with a 24 degree latitude difference.
For curiosity's sake, here's what today is like in Fairbanks:
3:29am
12:14am
Getting close to the solstice now. Nights are light enough that when I randomly woke up at 3 o'clock I thought it was time to get up, and that's with window blinds. Strong glow from the north throughout the night with no darkness anymore.
I'd love to live in the Arctic with midnight sun and all but this is close enough, heh.
There are scattered clouds here this evening reflecting some of the sunlight coming from below the horizon so the perfect opportunity to see what's the latest the twilight can linger on to - between roughly 11.10 to 11.15pm I can officially declare it 100% dark. By the same logic first light in the morning should be somewhere just before 3am, so we get less than four hours of full darkness. I suspect we'd only have to be about 150 miles further north (53 latitude) for it never to get fully dark tonight.
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