condition	mean	min	max
2 h after light	14.589581666666668	9.04819	17.1365
6 h after light	12.055315	8.34918	17.0207
10 h after light	11.390645	9.08542	13.8241
14 h after light	10.960818333333334	6.01457	14.5562
18 h after light	10.20773	7.96794	12.5812
2 h after dark	16.9023	15.3118	19.27