condition	mean	min	max
0 h after light	2.16715	2.10534	2.22896
4 h after light	2.5065	2.4174	2.5956
8 h after light	2.301	2.26822	2.33378
4 h after dark	2.774355	2.15785	3.39086
8 h after dark	2.59704	2.34025	2.85383
12 h after dark	2.314415	2.05306	2.57577