condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0435053 0.0392743 0.0518703 4 h after dark 0.06663156666666667 0.0 0.14478 8 h after dark 0.016069299999999998 0.0 0.0482079 12 h after dark 0.04533176666666667 0.0 0.0754488