condition	mean	min	max
0 h after light	3.9903999999999997	3.88453	4.09627
4 h after light	3.067455	2.70813	3.42678
8 h after light	6.41303	6.27039	6.55567
4 h after dark	10.31155	10.0397	10.5834
8 h after dark	6.4675899999999995	5.78702	7.14816
12 h after dark	3.385445	3.09576	3.67513