condition	mean	min	max
4 h after light	10.017495	9.22379	10.8112
8 h after light	7.370645	7.33811	7.40318
12 h after light	5.8225750000000005	5.75915	5.886
4 h after dark	10.35235	10.2198	10.4849
8 h after dark	12.318	11.9512	12.6848
12 h after dark	13.03905	12.7407	13.3374