condition mean min max 0 h after light 6.30927 5.91722 6.70132 2 h after light 3.29293 2.86632 3.71954 4 h after light 1.162905 1.07109 1.25472 8 h after light 1.241515 1.08865 1.39438 12 h after light 3.6079 3.17619 4.03961 2 h after dark 3.88136 3.03411 4.72861 4 h after dark 4.293805 3.30467 5.28294 8 h after dark 7.9022 7.75882 8.04558 12 h after dark 8.99348 8.50281 9.48415