condition	mean	min	max
0 h after light	8.811824999999999	8.26891	9.35474
4 h after light	12.14695	11.2578	13.0361
8 h after light	5.5921	4.62754	6.55666
4 h after dark	6.972365	6.75555	7.18918
8 h after dark	14.7605	14.3462	15.1748
12 h after dark	13.074850000000001	10.4258	15.7239