condition	mean	min	max
0 h after light	15.027149999999999	13.9474	16.1069
4 h after light	3.49534	3.43784	3.55284
8 h after light	3.11348	2.87475	3.35221
4 h after dark	7.341234999999999	6.27831	8.40416
8 h after dark	11.7847	11.2563	12.3131
12 h after dark	11.020325	9.27275	12.7679