condition	mean	min	max
4 h after light	8.402385	7.5155	9.28927
8 h after light	8.306975	7.75766	8.85629
12 h after light	12.786249999999999	12.1169	13.4556
4 h after dark	12.7134	12.4709	12.9754
8 h after dark	10.722529999999999	8.99119	11.7412
12 h after dark	10.44542	9.60076	11.1637