condition	mean	min	max
4 h after light	8.77378	8.25107	9.089939999999999
8 h after light	8.530826666666666	8.062999999999999	9.271
12 h after light	8.29284	7.9392	8.69542
4 h after dark	10.096820000000001	9.876660000000001	10.37493
8 h after dark	9.843363333333333	9.58436	10.309989999999999
12 h after dark	9.836616666666666	9.25896	10.24927