condition	mean	min	max
4 h after light	5.63546	5.48759	5.81877
8 h after light	5.676456666666667	5.51293	5.908519999999999
12 h after light	5.4020166666666665	5.32332	5.487480000000001
4 h after dark	5.4978	5.4345099999999995	5.5623
8 h after dark	5.38776	5.215380000000001	5.61107
12 h after dark	5.624523333333333	5.39958	5.81614