condition mean min max 4 h after light 10.521075 9.42685 11.6153 8 h after light 8.388774999999999 8.09266 8.68489 12 h after light 11.80715 11.4448 12.1695 4 h after dark 14.327 14.2667 14.3873 8 h after dark 12.481950000000001 12.2162 12.7477 12 h after dark 11.5831 11.338 11.8282