condition	mean	min	max
4 h after light	20.30075	19.1455	21.456
8 h after light	12.5022	10.4537	14.5507
12 h after light	6.45141	6.28752	6.6153
4 h after dark	13.508066666666668	12.1122	16.0526
8 h after dark	26.7473	18.4247	31.5448
12 h after dark	24.125066666666665	21.3459	27.3524