condition mean min max 0 h after light 3.77332 3.29639 4.25025 4 h after light 4.245905 3.42264 5.06917 8 h after light 1.716135 1.46543 1.96684 4 h after dark 1.7204350000000002 1.61585 1.82502 8 h after dark 2.235985 1.90637 2.5656 12 h after dark 4.342695 3.4824 5.20299