condition	mean	min	max
4 h after light	1738.6	1738.6	1738.6
8 h after light	1752.15	1596.2	1908.1
12 h after light	1388.1	1093.7	1682.5
4 h after dark	1440.85	1161.9	1719.8
8 h after dark	1970.95	1674.4	2267.5
12 h after dark	2167.05	2080.0	2254.1