condition	mean	min	max
4 h after light	1533.5	1533.5	1533.5
8 h after light	1564.95	1281.0	1848.9
12 h after light	1848.0500000000002	1841.7	1854.4
4 h after dark	2115.35	1965.0	2265.7
8 h after dark	1864.3	1764.8	1963.8
12 h after dark	1674.9	1669.4	1680.4