condition	mean	min	max
4 h after light	1331.6	1331.6	1331.6
8 h after light	1428.5	1120.0	1737.0
12 h after light	1333.75	1204.3	1463.2
4 h after dark	1280.2	976.6	1583.8
8 h after dark	1240.9	1126.9	1354.9
12 h after dark	1339.5	1182.6	1496.4