condition	mean	min	max
0 h after light	7.09655	6.98431	7.20879
4 h after light	10.568085	9.59887	11.5373
8 h after light	8.077885	7.53807	8.6177
4 h after dark	9.2187	7.8988	10.5386
8 h after dark	8.324325	7.39979	9.24886
12 h after dark	7.82822	6.86925	8.78719