condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0241601 0.0 0.0483202 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.020987266666666667 0.0 0.0629618 12 h after dark 0.0 0.0 0.0