condition	mean	min	max
4 h after light	12.946526500000001	12.487487	13.405566
8 h after light	10.1803195	10.161979	10.19866
12 h after light	9.7837715	9.368883	10.19866
4 h after dark	9.084638	8.526892	9.642384
8 h after dark	8.5451165	8.352714	8.737519
12 h after dark	13.291517	13.291517	13.291517