condition	mean	min	max
0 h after light	7.9508	7.04205	8.85955
4 h after light	4.61502	1.09187	8.13817
8 h after light	10.412225	4.52685	16.2976
4 h after dark	12.36852	7.91364	16.8234
8 h after dark	12.10859	9.60938	14.6078
12 h after dark	3.884035	1.62442	6.14365