condition	mean	min	max
4 h after light	1275.47	1217.95	1332.99
8 h after light	940.827	885.129	996.525
12 h after light	779.141	760.478	797.804
4 h after dark	1079.39	1032.88	1105.09
8 h after dark	1234.02	1212.51	1275.27
12 h after dark	1453.0333333333333	1442.65	1459.77