condition	mean	min	max
0 h after light	11.8945	11.8581	11.9309
4 h after light	7.86927	7.18349	8.55505
8 h after light	6.49707	5.8549	7.13924
4 h after dark	12.46635	12.3693	12.5634
8 h after dark	16.07785	13.8622	18.2935
12 h after dark	12.646650000000001	10.3435	14.9498