condition	mean	min	max
4 h after light	1565.8	1565.8	1565.8
8 h after light	1859.35	1625.6	2093.1
12 h after light	1699.35	1533.5	1865.2
4 h after dark	1825.7	1638.7	2012.7
8 h after dark	1781.35	1642.0	1920.7
12 h after dark	1719.35	1445.9	1992.8