condition	mean	min	max
4 h after light	1402.9	1402.9	1402.9
8 h after light	1577.15	1466.5	1687.8
12 h after light	1557.35	1528.1	1586.6
4 h after dark	1429.75	1412.4	1447.1
8 h after dark	1437.05	1393.6	1480.5
12 h after dark	1422.5	1277.5	1567.5