condition	mean	min	max
4 h after light	6.53572	5.14923	7.92755
8 h after light	6.86107	1.89209	10.7995
12 h after light	7.417106666666666	4.04081	10.8789
4 h after dark	11.49231	8.23913	13.3306
8 h after dark	10.7741	8.3181	12.605
12 h after dark	8.55677	7.648	9.14432