condition	mean	min	max
4 h after light	2149.1	2149.1	2149.1
8 h after light	2179.55	1914.0	2445.1
12 h after light	2362.85	2107.5	2618.2
4 h after dark	2288.9	1890.7	2687.1
8 h after dark	1852.05	1752.3	1951.8
12 h after dark	1863.15	1688.1	2038.2