condition mean min max 0 h after light 7.696515 7.02353 8.3695 2 h after light 3.818895 2.31065 5.32714 4 h after light 3.01642 2.54451 3.48833 8 h after light 2.30974 2.23742 2.38206 12 h after light 3.783625 2.97848 4.58877 2 h after dark 5.77788 4.4997 7.05606 4 h after dark 6.497954999999999 5.5218 7.47411 8 h after dark 9.175830000000001 8.86378 9.48788 12 h after dark 7.82817 7.80845 7.84789