condition	mean	min	max
0 h after light	10.557884999999999	9.48987	11.6259
4 h after light	7.238815000000001	6.58033	7.8973
8 h after light	12.636050000000001	12.492	12.7801
4 h after dark	18.858449999999998	17.5501	20.1668
8 h after dark	12.568349999999999	11.238	13.8987
12 h after dark	8.623425000000001	7.5716	9.67525