04/10/14, Frontier, MI average 0.16 mcSv/h

10 min reading at 1:40PM Low 0.03 High 0.40 Avg. 0.14
10 min. reading at 2:00PM Low 0.08 High 0.45 Avg. 0.15
10 min reading at 3:00PM Low 0.11 High 0.20 Avg. 0.15
10 min. reading at 4:15PM Low 0.11 High 0.45 Avg 0.14