condition mean min max 0 h after light 1.74587 1.64472 1.84702 4 h after light 1.377639 0.731878 2.0234 8 h after light 1.2719179999999999 0.208906 2.33493 4 h after dark 2.575815 2.11634 3.03529 8 h after dark 1.2152755 0.611471 1.81908 12 h after dark 1.0158135 0.801937 1.22969