condition	mean	min	max
0 h after light	13.32955	12.9309	13.7282
4 h after light	14.7288	14.0206	15.437
8 h after light	14.7185	14.0149	15.4221
4 h after dark	16.552799999999998	15.363	17.7426
8 h after dark	17.2089	15.4598	18.958
12 h after dark	13.53555	13.1974	13.8737