condition	mean	min	max
4 h after light	1781.2	1781.2	1781.2
8 h after light	1748.9	1742.7	1755.1
12 h after light	1919.65	1791.6	2047.7
4 h after dark	2282.85	1995.7	2570.0
8 h after dark	2673.0	2252.1	3093.9
12 h after dark	2149.2	2066.1	2232.3