condition	mean	min	max
3 h after light	5.038976666666667	3.79791	6.31922
6 h after light	7.03888	6.29971	7.60734
9 h after light	6.17878	5.51021	6.75775
12 h after light	10.160303333333333	8.15721	11.2855
3 h after dark	15.4613	13.7464	16.8566
6 h after dark	14.6578	13.3119	17.1811
9 h after dark	10.889626666666667	6.20138	14.3962
12 h after dark	5.54144	4.6108	7.19728