condition	mean	min	max
4 h after light	1625.5	1625.5	1625.5
8 h after light	1695.6	1538.8	1852.4
12 h after light	1556.65	1443.4	1669.9
4 h after dark	1683.6	1480.5	1886.7
8 h after dark	1777.9	1623.4	1932.4
12 h after dark	1838.85	1644.9	2032.8