condition	mean	min	max
4 h after light	9.20685	7.2321	11.1816
8 h after light	12.1479	10.4194	13.8764
12 h after light	14.45675	14.1659	14.7476
4 h after dark	17.221966666666667	16.1567	17.9963
8 h after dark	20.069633333333332	15.9284	23.7207
12 h after dark	14.5779	13.9593	15.6886