condition	mean	min	max
4 h after light	9.405244	8.871057	9.939431
8 h after light	8.0946325	7.359576	8.829689
12 h after light	10.661763	10.502968	10.820558
4 h after dark	11.2595675	11.060566	11.458569
8 h after dark	14.2431055	13.502005	14.984206
12 h after dark	10.118874	10.118874	10.118874