condition	mean	min	max
4 h after light	1339.0	1339.0	1339.0
8 h after light	1268.2	1104.4	1432.0
12 h after light	1562.7	1340.9	1784.5
4 h after dark	1751.7	1587.0	1916.4
8 h after dark	1433.95	1243.9	1624.0
12 h after dark	1120.05	974.8	1265.3