condition	mean	min	max
4 h after light	3.31464	3.29557	3.33371
8 h after light	4.273955	3.49273	5.05518
12 h after light	4.31817	4.25131	4.38503
4 h after dark	5.940206666666667	5.51873	6.15844
8 h after dark	4.74192	4.60774	5.00692
12 h after dark	3.81267	3.35307	4.61656