condition	mean	min	max
4 h after light	1997.0	1997.0	1997.0
8 h after light	2104.65	2006.8	2202.5
12 h after light	2087.6	2055.6	2119.6
4 h after dark	2364.9	2174.4	2555.4
8 h after dark	2277.25	2075.0	2479.5
12 h after dark	2120.05	2020.2	2219.9