condition	mean	min	max
4 h after light	6.6	6.6	6.6
8 h after light	9.05	8.4	9.7
12 h after light	11.5	7.5	15.5
4 h after dark	28.75	4.3	53.2
8 h after dark	8.1	7.7	8.5
12 h after dark	24.7	7.6	41.8