condition	mean	min	max
4 h after light	1561.14	1286.593333	1781.13
8 h after light	1517.838889	1450.14	1640.96
12 h after light	1367.178889	1259.136667	1423.496667
1.5 h after dark	1363.2233333333334	993.08	1653.593333
5.5 h after dark	1340.7866666666666	1240.4	1466.756667
9.5 h after dark	1432.772222	1351.753333	1512.773333