condition mean min max 4 h after light 60.2642 57.7428 62.7856 8 h after light 55.343450000000004 54.953 55.7339 12 h after light 45.78015 44.0393 47.521 4 h after dark 57.17315000000001 54.3783 59.968 8 h after dark 55.12595 54.9411 55.3108 12 h after dark 57.047700000000006 56.8965 57.1989