condition mean min max 4 h after light 0.24524949999999998 0.2239 0.266599 8 h after light 0.2905705 0.145772 0.435369 12 h after light 0.39742 0.265861 0.528979 4 h after dark 0.467551 0.392892 0.54221 8 h after dark 0.463236 0.34935 0.577122 12 h after dark 0.1699345 0.114645 0.225224