condition	mean	min	max
4 h after light	1941.5	1941.5	1941.5
8 h after light	1852.0	1844.1	1859.9
12 h after light	1744.1999999999998	1674.1	1814.3
4 h after dark	1892.55	1767.6	2017.5
8 h after dark	2004.6	1829.2	2180.0
12 h after dark	2082.55	2000.6	2164.5