condition	mean	min	max
4 h after light	1555.1	1555.1	1555.1
8 h after light	1654.6	1517.4	1791.8
12 h after light	1908.95	1765.4	2052.5
4 h after dark	2358.0	2010.0	2706.0
8 h after dark	2362.95	2173.0	2552.9
12 h after dark	2570.1	2399.5	2740.7