condition mean min max 4 h after light 0.1297505 0.129246 0.130255 8 h after light 0.2822065 0.211065 0.353348 12 h after light 0.3215565 0.256447 0.386666 4 h after dark 0.3975495 0.337965 0.457134 8 h after dark 0.1688665 0.111915 0.225818 12 h after dark 0.2515425 0.222317 0.280768