condition	mean	min	max
4 h after light	16.087699999999998	15.7743	16.4011
8 h after light	14.150400000000001	13.0487	15.2521
12 h after light	16.54075	15.9491	17.1324
4 h after dark	17.85	15.7158	19.9842
8 h after dark	14.26415	13.9566	14.5717
12 h after dark	15.64025	15.4034	15.8771