condition	mean	min	max
4 h after light	8.6	8.6	8.6
8 h after light	23.75	7.9	39.6
12 h after light	29.75	27.7	31.8
4 h after dark	5.7	3.5	7.9
8 h after dark	37.05	6.1	68.0
12 h after dark	6.55	6.3	6.8