condition mean min max 0 h after light 0.210441 0.202686 0.218196 2 h after light 0.0 0.0 0.0 4 h after light 0.0993395 0.0 0.198679 8 h after light 0.0 0.0 0.0 12 h after light 0.101784 0.0 0.203568 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.223912 0.219849 0.227975 12 h after dark 0.320394 0.208076 0.432712