condition	mean	min	max
0 h after light	15.7106	15.159	16.2622
4 h after light	12.457650000000001	11.4154	13.4999
8 h after light	9.823335	9.68341	9.96326
4 h after dark	11.16196	9.49552	12.8284
8 h after dark	15.29245	14.1068	16.4781
12 h after dark	13.9191	13.1764	14.6618