condition	mean	min	max
3 h after light	8.05046	7.69633	8.7532
6 h after light	10.307336666666666	8.78157	13.0983
9 h after light	13.745	12.5056	15.5786
12 h after light	15.2083525	5.54601	19.3959
3 h after dark	14.210733333333334	12.9098	15.3017
6 h after dark	16.912366666666667	15.7603	17.5449
9 h after dark	14.0251	12.3765	15.3999
12 h after dark	6.41509	6.21949	6.61069