condition	mean	min	max
4 h after light	6.85272	6.82607	6.87937
8 h after light	11.04425	8.7586	13.3299
12 h after light	11.39122	9.23834	13.5441
4 h after dark	8.367115	5.52483	11.2094
8 h after dark	11.44425	10.2227	12.6658
12 h after dark	9.897855	8.47351	11.3222