condition	mean	min	max
4 h after light	1662.403045	1632.566877	1692.239213
8 h after light	1381.235067	1256.924364	1505.54577
12 h after light	1296.142363	1108.323084	1483.961642
4 h after dark	1516.2512875	1427.655134	1604.847441
8 h after dark	1890.7527145	1761.145364	2020.360065
12 h after dark	1495.046916	1495.046916	1495.046916