condition mean min max 0 h after light 7.258565000000001 7.05639 7.46074 2 h after light 5.197115 4.52327 5.87096 4 h after light 4.06745 3.95251 4.18239 8 h after light 5.226405 4.46786 5.98495 12 h after light 11.920200000000001 11.3267 12.5137 2 h after dark 13.207550000000001 12.4753 13.9398 4 h after dark 11.2623 10.9402 11.5844 8 h after dark 10.05726 9.59032 10.5242 12 h after dark 7.68493 6.70287 8.66699