condition	mean	min	max
2 h after light	18.928	13.2908	23.75
6 h after light	13.76317	8.74187	22.9446
10 h after light	17.649331666666665	8.83219	27.9032
14 h after light	22.511816666666668	15.0574	28.79
18 h after light	14.81502	5.02112	21.2952
2 h after dark	16.40871	9.85626	23.4166