condition mean min max 0 h after light 0.4660665 0.186161 0.745972 4 h after light 0.5139565 0.458861 0.569052 8 h after light 0.656598 0.460444 0.852752 4 h after dark 0.5963784 0.0914168 1.10134 8 h after dark 0.5970310000000001 0.277336 0.916726 12 h after dark 0.598136 0.545584 0.650688