condition	mean	min	max
4 h after light	7.55114	7.26946	7.83282
8 h after light	7.816559999999999	7.51434	8.11878
12 h after light	7.39708	7.32648	7.46768
4 h after dark	9.4708	9.47073	9.47087
8 h after dark	7.8	7.29641	8.30359
12 h after dark	7.9142149999999996	7.44792	8.38051