condition	mean	min	max
4 h after light	2.057125	2.05303	2.06122
8 h after light	1.680015	1.44043	1.9196
12 h after light	1.508655	1.24508	1.77223
4 h after dark	1.74101	1.46814	1.91346
8 h after dark	2.259916666666667	1.82698	2.68039
12 h after dark	3.5054333333333334	2.90525	3.98508