condition	mean	min	max
0 h after light	14.9195	13.8857	15.9533
4 h after light	9.231069999999999	8.79673	9.66541
8 h after light	7.004775	6.69219	7.31736
4 h after dark	7.007395000000001	5.20662	8.80817
8 h after dark	11.31765	10.926	11.7093
12 h after dark	14.1892	11.509	16.8694