condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.004692325 0.0 0.00938465 4 h after dark 0.0 0.0 0.0 8 h after dark 0.012347733333333333 0.0 0.0370432 12 h after dark 0.0 0.0 0.0