condition	mean	min	max
0 h after light	7.34411	7.08433	7.60389
4 h after light	5.784385	5.58781	5.98096
8 h after light	5.782445	5.35705	6.20784
4 h after dark	7.246365	6.70922	7.78351
8 h after dark	7.27774	6.33238	8.2231
12 h after dark	5.951395	5.586	6.31679