condition	mean	min	max
4 h after light	3.9	3.9	3.9
8 h after light	27.1	24.5	29.7
12 h after light	25.4	15.5	35.3
4 h after dark	52.25	52.0	52.5
8 h after dark	10.2	5.7	14.7
12 h after dark	28.75	12.1	45.4