condition	mean	min	max
4 h after light	5.38295	5.2446	5.51799
8 h after light	5.3084066666666665	5.1637699999999995	5.39524
12 h after light	5.215413333333333	5.01794	5.31594
4 h after dark	5.37513	5.29967	5.45976
8 h after dark	5.289776666666667	4.98911	5.51014
12 h after dark	5.32529	5.203069999999999	5.47035