condition	mean	min	max
4 h after light	10.304026	9.722576	10.885476
8 h after light	9.001941500000001	8.778563	9.22532
12 h after light	16.487022	14.416144	18.5579
4 h after dark	9.4401725	8.250177	10.630168
8 h after dark	13.420221	12.310684	14.529758
12 h after dark	11.558337	11.558337	11.558337