condition mean min max 0 h after light 2.401375 2.35853 2.44422 4 h after light 3.75426 3.44799 4.06053 8 h after light 3.3786300000000002 3.0338 3.72346 4 h after dark 3.338725 2.98867 3.68878 8 h after dark 3.860595 3.76464 3.95655 12 h after dark 3.04831 2.68025 3.41637