condition	mean	min	max
0 h after light	12.94885	12.6878	13.2099
4 h after light	6.31321	4.30163	8.32479
8 h after light	4.04085	3.36835	4.71335
4 h after dark	8.24259	7.8913	8.59388
8 h after dark	8.209885	6.76277	9.657
12 h after dark	9.96339	9.04668	10.8801