condition	mean	min	max
4 h after light	8.814905	7.72607	9.90374
8 h after light	10.185195	9.63479	10.7356
12 h after light	9.179585	8.96484	9.39433
4 h after dark	15.20155	15.1817	15.2214
8 h after dark	13.369150000000001	12.5585	14.1798
12 h after dark	12.1396	11.7159	12.5633