condition	mean	min	max
4 h after light	4.352986666666666	4.30615	4.43001
8 h after light	4.539543333333333	4.461469999999999	4.68464
12 h after light	4.62496	4.54021	4.74757
4 h after dark	4.51704	4.45446	4.55291
8 h after dark	4.46111	4.40638	4.51933
12 h after dark	4.401646666666666	4.36515	4.44436