condition mean min max 4 h after light 0.634661 0.521504 0.787909 8 h after light 0.346891 0.13757 0.610461 12 h after light 0.35461 0.240807 0.5674 4 h after dark 0.6317776666666667 0.455 0.836665 8 h after dark 0.7617406666666667 0.596971 0.940925 12 h after dark 1.0672926666666667 0.698236 1.76818