condition	mean	min	max
4 h after light	5.4	5.4	5.4
8 h after light	17.35	9.0	25.7
12 h after light	48.05	42.3	53.8
4 h after dark	39.55	27.1	52.0
8 h after dark	41.95	28.6	55.3
12 h after dark	9.3	3.7	14.9