03/28/14 Billings MT Inspector Alert average 61 CPM

03/28/14, Billings, MT., 3,123'
total count 29.44 [8 hrs] overnight 12:15-8:15 AM [MDT]
61 CPM/.182µSv/h
Had some rain overnight
test in bedroom
2nd test
total count 2883 [1 hr] 8:30-9:30 AM [MDT]
48 CPM/.143µSv/h
in living room/wood coffee table
sunny 33°F