condition mean min max 4 h after light 173.53696100000002 136.484766 210.589156 8 h after light 169.2292425 155.419643 183.038842 12 h after light 211.4875075 167.06115 255.913865 4 h after dark 272.18093749999997 184.675805 359.68607 8 h after dark 312.11331600000005 309.903876 314.322756 12 h after dark 311.385903 311.385903 311.385903