condition	mean	min	max
4 h after light	5.380175	4.72944	6.03091
8 h after light	5.29368	4.571	6.01636
12 h after light	2.20983	1.53209	2.88757
4 h after dark	2.493975	1.70691	3.28104
8 h after dark	2.393065	2.25656	2.52957
12 h after dark	4.475695	4.0537	4.89769