condition	mean	min	max
4 h after light	3.83179	3.71334	3.95024
8 h after light	3.629125	3.38399	3.87426
12 h after light	5.13041	4.91194	5.34888
4 h after dark	5.7943549999999995	5.65483	5.93388
8 h after dark	5.20734	4.2872	6.12748
12 h after dark	5.11219	5.07902	5.14536