condition	mean	min	max
4 h after light	2018.9	2018.9	2018.9
8 h after light	1820.6	1607.5	2033.7
12 h after light	1910.05	1533.1	2287.0
4 h after dark	2109.55	2020.1	2199.0
8 h after dark	2018.75	1665.1	2372.4
12 h after dark	1878.65	1720.8	2036.5