condition	mean	min	max
4 h after light	14.1740245	12.159218	16.188831
8 h after light	13.8407905	13.22983	14.451751
12 h after light	11.9190135	11.891651	11.946376
4 h after dark	15.762117	14.042198	17.482036
8 h after dark	14.4146135	14.124075	14.705152
12 h after dark	16.022792	16.022792	16.022792