condition mean min max 4 h after light 0.31193 0.0 0.62386 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.19631333333333334 0.0 0.58894 8 h after dark 0.48527000000000003 0.0 1.45581 12 h after dark 0.0 0.0 0.0