condition	mean	min	max
4 h after light	4.311163333333333	4.25662	4.33911
8 h after light	4.285346666666666	4.20407	4.34355
12 h after light	4.28659	4.22079	4.33495
4 h after dark	4.377393333333333	4.3076099999999995	4.4690900000000005
8 h after dark	4.44392	4.36092	4.52096
12 h after dark	4.301256666666666	4.20233	4.38746