condition mean min max 2 h after light 0.7201915 0.339547 1.11408 6 h after light 0.5329188333333333 0.253245 0.701518 10 h after light 0.6295093333333333 0.198838 1.29673 14 h after light 0.5065835 0.241471 0.933591 18 h after light 0.495097 0.280785 0.806098 2 h after dark 0.6607635 0.330602 1.04744