condition mean min max 0 h after light 0.353022 0.14141 0.564634 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.140969 0.0 0.281938