condition mean min max 4 h after light 2.9964 1.81244 4.26986 8 h after light 4.773056666666667 2.64473 6.10017 12 h after light 8.65267 5.78931 10.0969 4 h after dark 6.992703333333333 5.84685 8.44637 8 h after dark 3.57588 2.62467 4.06145 12 h after dark 1.60165 0.33169 2.52506