condition mean min max 0 h after light 0.04638065 0.0 0.0927613 4 h after light 0.0457288 0.0 0.0914576 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.04606415 0.0 0.0921283 12 h after dark 0.0 0.0 0.0