condition mean min max 4 h after light 0.0122515 0.0 0.024503 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0314715 0.0 0.0944145 8 h after dark 0.03263186666666667 0.0 0.0978956 12 h after dark 0.0 0.0 0.0