condition	mean	min	max
4 h after light	26.67975	25.8018	27.5577
8 h after light	20.58965	19.7218	21.4575
12 h after light	16.31245	15.4937	17.1312
4 h after dark	15.1232	14.2357	15.7628
8 h after dark	14.8345	14.0132	15.9347
12 h after dark	23.052333333333333	22.5121	23.3743