results of rain swipe from my car window Durham, NC Altitude 394 feet Geiger Counter 3007-A w/ External Pancake Beginning time 07/27/13 05:25:19 PM Ending time 07/27/13 06:25:27 PM Elapsed Minutes 60 Total Counts 25,897 Average CPM 431 Minimum CPM 245 Maximum CPM 647


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