condition	mean	min	max
4 h after light	2.8808949999999998	1.93057	3.83122
8 h after light	5.22593	5.00526	5.4466
12 h after light	5.270735	4.96681	5.57466
4 h after dark	5.713205	5.08153	6.34488
8 h after dark	5.08051	4.85307	5.30795
12 h after dark	5.991195	5.6016	6.38079