condition mean min max 4 h after light 0.463972 0.0 0.989152 8 h after light 0.49007133333333336 0.268456 0.891124 12 h after light 0.7936796666666667 0.732658 0.879663 4 h after dark 3.34619 1.9 5.93701 8 h after dark 2.02896 1.27444 2.86824 12 h after dark 0.9784063333333333 0.878419 1.03192