condition	mean	min	max
3 h after light	7.37222	6.4037	8.62414
6 h after light	6.66092	6.37409	6.83561
9 h after light	11.369166666666667	9.79323	14.4803
12 h after light	14.303457499999999	7.27963	17.0251
3 h after dark	21.797966666666667	19.363	23.6809
6 h after dark	14.535433333333334	12.9777	16.3074
9 h after dark	12.1081	10.1122	14.3502
12 h after dark	9.068185	8.90208	9.23429