condition	mean	min	max
4 h after light	4.556206666666666	4.40411	4.812469999999999
8 h after light	4.45866	4.42509	4.50703
12 h after light	4.478	4.4496199999999995	4.52808
4 h after dark	4.534153333333333	4.51293	4.56789
8 h after dark	4.472916666666667	4.425730000000001	4.524430000000001
12 h after dark	4.445756666666666	4.36145	4.58467