condition	mean	min	max
4 h after light	12.3710655	11.522013	13.220118
8 h after light	12.4653035	11.652883	13.277724
12 h after light	12.432693	11.947809	12.917577
4 h after dark	13.7582745	13.571184	13.945365
8 h after dark	14.0064205	13.028635	14.984206
12 h after dark	11.859751	11.859751	11.859751