condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.1185814 0.0607658 0.176397 8 h after light 0.1787105 0.121414 0.236007 4 h after dark 0.058687 0.0585713 0.0588027 8 h after dark 0.0296151 0.0 0.0592302 12 h after dark 0.02912985 0.0 0.0582597