condition	mean	min	max
4 h after light	8.0	8.0	8.0
8 h after light	34.95	6.9	63.0
12 h after light	33.45	29.5	37.4
4 h after dark	31.5	4.9	58.1
8 h after dark	48.95	35.0	62.9
12 h after dark	5.6	5.0	6.2