condition	mean	min	max
4 h after light	74.3155535	67.317133	81.313974
8 h after light	65.5869385	52.68624	78.487637
12 h after light	67.2951465	54.887846	79.702447
4 h after dark	42.042996	35.571268	48.514724
8 h after dark	36.487046	31.477842	41.49625
12 h after dark	62.973577	62.973577	62.973577