condition	mean	min	max
4 h after light	16.2745	11.7981	20.668
8 h after light	10.630186666666667	5.09076	16.2673
12 h after light	14.1141	11.0248	17.8656
4 h after dark	17.130566666666667	13.0902	19.4752
8 h after dark	12.8805	10.8069	14.8372
12 h after dark	16.3395	13.7866	18.396