condition	mean	min	max
4 h after light	5.56867	5.55045	5.58689
8 h after light	4.677665	4.25915	5.09618
12 h after light	5.591469999999999	5.33379	5.84915
4 h after dark	7.25258	7.22378	7.28138
8 h after dark	6.701645	6.64898	6.75431
12 h after dark	7.5094899999999996	7.09411	7.92487