condition	mean	min	max
4 h after light	4.7	4.7	4.7
8 h after light	4.4	2.1	6.7
12 h after light	33.9	5.7	62.1
4 h after dark	8.4	5.0	11.8
8 h after dark	33.7	32.1	35.3
12 h after dark	21.35	5.1	37.6