condition	mean	min	max
4 h after light	2.2550549999999996	2.10538	2.40473
8 h after light	2.22179	1.7191	2.72448
12 h after light	2.7347099999999998	2.46005	3.00937
4 h after dark	3.61986	3.57848	3.66124
8 h after dark	2.5647	2.30921	2.82019
12 h after dark	2.16234	1.96164	2.36304