People often think Blackburn is a difficult place to settle in. Try a town of 42,000 which is a 16 hour car journey from Oslo and further north than practically all of Alaska..
It is far enough inside the Arctic Circle that at this time of the year, the only "daylight" is caused by refraction by the Earth's atmosphere for an hour or so each day.
When he signed it was probably brilliant sunshine at midnight and warm enough to venture out in a light sweater.