condition	mean	min	max
2 h after light	9.150635	6.26159	13.3081
6 h after light	6.102138333333333	4.73844	7.06899
10 h after light	6.44164	4.53186	8.51669
14 h after light	5.960523333333334	3.41408	8.3706
18 h after light	8.536333333333333	5.06325	12.4988
2 h after dark	14.7134	11.0615	17.1342