condition mean min max 4 h after light 10.509476666666666 10.40156 10.6193 8 h after light 10.427876666666666 10.2689 10.555439999999999 12 h after light 10.504746666666668 10.49737 10.516960000000001 4 h after dark 10.52495 10.400730000000001 10.62445 8 h after dark 10.493803333333332 10.32855 10.665999999999999 12 h after dark 10.48013 10.38423 10.637880000000001