condition	mean	min	max
4 h after light	6.826775	4.6827	8.97085
8 h after light	11.02933	8.81826	13.2404
12 h after light	14.320279999999999	7.14286	21.4977
4 h after dark	17.39265	16.7308	18.0545
8 h after dark	18.880399999999998	15.4049	22.3559
12 h after dark	15.65585	10.0503	21.2614