condition	mean	min	max
4 h after light	2223.6	2223.6	2223.6
8 h after light	1895.15	1820.6	1969.7
12 h after light	1946.35	1816.6	2076.1
4 h after dark	1962.0	1844.2	2079.8
8 h after dark	2007.15	1896.2	2118.1
12 h after dark	1928.6999999999998	1860.1	1997.3