condition	mean	min	max
4 h after light	1440.124879	1395.125165	1485.124593
8 h after light	1396.0901125	1347.229935	1444.95029
12 h after light	1442.3001295	1434.273195	1450.327064
4 h after dark	1577.08498	1571.013466	1583.156494
8 h after dark	1314.0121	1208.642812	1419.381388
12 h after dark	1456.19218	1456.19218	1456.19218