condition	mean	min	max
4 h after light	1157.7	1157.7	1157.7
8 h after light	1340.05	1041.8	1638.3
12 h after light	1208.65	1119.1	1298.2
4 h after dark	1376.5	1340.8	1412.2
8 h after dark	1820.0	1635.4	2004.6
12 h after dark	1698.25	1460.7	1935.8