condition mean min max 0 h after light 5.0411 4.53205 5.55015 2 h after light 8.06268 7.04515 9.08021 4 h after light 4.51743 4.25068 4.78418 8 h after light 5.92685 4.6804 7.1733 12 h after light 10.58155 10.154 11.0091 2 h after dark 11.9704 11.844 12.0968 4 h after dark 7.16951 7.03644 7.30258 8 h after dark 7.016195 5.7133 8.31909 12 h after dark 6.39126 6.08414 6.69838