condition	mean	min	max
4 h after light	4.0927299999999995	4.07827	4.11906
8 h after light	4.13474	4.10698	4.169630000000001
12 h after light	4.09661	4.01641	4.15714
4 h after dark	4.1554	4.07009	4.22865
8 h after dark	4.27034	4.148219999999999	4.3871400000000005
12 h after dark	4.180396666666667	4.16746	4.19996