Submarines in the Winter Twilight

One of the more celebrated North Pole surfacings of the USS Skate happened today in 1959, see http://wattsupwiththat.com/2009/04/26/ice-at-the-north-pole-in-1958-not-so-thick/ for more on that and several others. Nearly a couple years ago at the ICCC in Chicago, Lord Monckton noted that at the time of this surfacing it was late winter and the Sun hadn’t risen. I’m…