condition	mean	min	max
4 h after light	2.343235	1.79901	2.88746
8 h after light	3.38915	3.13316	3.64514
12 h after light	12.27175	12.251	12.2925
4 h after dark	14.46865	13.2856	15.6517
8 h after dark	7.956465	7.32729	8.58564
12 h after dark	5.79707	5.58727	6.00687