condition	mean	min	max
2 h after light	18.1714	13.0008	23.0161
6 h after light	12.595486666666666	8.25983	16.7729
10 h after light	12.349086666666667	9.64942	16.4577
14 h after light	13.614851666666667	9.88601	17.1605
18 h after light	15.15065	11.3116	23.3656
2 h after dark	13.48184	9.12134	17.8678