condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03099326666666667 0.0 0.0666293 12 h after light 0.014597333333333332 0.0 0.043792 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0