condition	mean	min	max
4 h after light	765.0	765.0	765.0
8 h after light	603.05	555.6	650.5
12 h after light	529.65	465.5	593.8
4 h after dark	396.4	361.0	431.8
8 h after dark	410.4	356.0	464.8
12 h after dark	389.35	383.9	394.8