condition	mean	min	max
4 h after light	9.688345	8.732324	10.644366
8 h after light	10.707808	10.357153	11.058463
12 h after light	8.959779000000001	8.480224	9.439334
4 h after dark	9.6236815	9.376814	9.870549
8 h after dark	8.569155	7.260737	9.877573
12 h after dark	8.130646	8.130646	8.130646