condition	mean	min	max
4 h after light	1971.5	1971.5	1971.5
8 h after light	1684.45	1661.4	1707.5
12 h after light	1651.25	1452.8	1849.7
4 h after dark	1769.8000000000002	1662.2	1877.4
8 h after dark	1688.65	1507.2	1870.1
12 h after dark	1512.8000000000002	1336.2	1689.4