condition	mean	min	max
0 h after light	9.265935	8.9769	9.55497
4 h after light	7.141805	6.54451	7.7391
8 h after light	12.99145	12.8471	13.1358
4 h after dark	13.438500000000001	11.5716	15.3054
8 h after dark	11.27985	10.5873	11.9724
12 h after dark	7.565935	6.9104	8.22147