condition	mean	min	max
4 h after light	4.47956	4.4166300000000005	4.52318
8 h after light	4.430616666666666	4.3951	4.47446
12 h after light	4.47452	4.43044	4.55387
4 h after dark	4.60701	4.513	4.714519999999999
8 h after dark	4.441526666666666	4.35885	4.53386
12 h after dark	4.48877	4.4492199999999995	4.55319