condition	mean	min	max
4 h after light	5.121815	4.93606	5.30757
8 h after light	6.21574	5.37271	7.05877
12 h after light	7.51089	6.77705	8.24473
4 h after dark	10.909686666666667	8.81816	12.5103
8 h after dark	7.34956	5.86159	9.32746
12 h after dark	9.70091	6.77403	11.5111