condition	mean	min	max
4 h after light	1499.4	1499.4	1499.4
8 h after light	1375.3	1356.3	1394.3
12 h after light	1226.35	1184.9	1267.8
4 h after dark	1446.6	1218.7	1674.5
8 h after dark	1595.0	1551.4	1638.6
12 h after dark	1383.0	1308.9	1457.1