condition	mean	min	max
4 h after light	1377.9	1377.9	1377.9
8 h after light	1383.3	1382.5	1384.1
12 h after light	1531.05	1366.3	1695.8
4 h after dark	1551.9	1404.4	1699.4
8 h after dark	1244.45	1213.0	1275.9
12 h after dark	1090.15	1064.6	1115.7