condition	mean	min	max
0 h after light	10.359855	9.95831	10.7614
4 h after light	7.74664	6.41175	9.08153
8 h after light	5.5703	4.73453	6.40607
4 h after dark	7.627255	7.10383	8.15068
8 h after dark	8.753655	7.63458	9.87273
12 h after dark	11.03375	11.0201	11.0474