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 Exceptional Events 2012

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1/22/12Cowtown157.5 ug/m3PM10Low pressure system on 1/21/12, residual suspended dust on 1/22/12
2/27/12Stanfield276.3 ug/m3PM10Cold front (Max. wind speed 41 mph)
2/27/12Maricopa225.9 ug/m3PM10Cold front (Max. wind speed 41 mph)
2/27/12Cowtown171.8 ug/m3PM10Cold front (Max. wind speed 41 mph)
3/17/12Cowtown178.7 ug/m3PM10Cold front (Max. wind speed 35 mph)
4/14/12Maricopa199.9 ug/m3PM10Cold Front (Max. wind speed 31 mph)
5/9/12Stanfield332 ug/m3PM10Upper Level Low (Max. wind speed 46 mph)
5/9/12PCH260.4 ug/m3PM10Upper Level Low (Max. wind speed 46 mph)
5/9/12Maricopa169.7 ug/m3PM10Upper Level Low (Max. wind speed 46 mph)
5/9/12Combs159 ug/m3PM10Upper Level Low (Max. wind speed 46 mph)
5/25/12Cowtown317.5 ug/m3PM10Trough/Cold Front (Max. wind speed 33 mph)
6/16/12Cowtown692.6 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 42 mph)
6/16/12PCH539.1 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 42 mph)
6/16/12Stanfield339.1 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 42 mph)
6/16/12Maricopa257.4 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 42 mph)
6/16/12Casa Grande233.8 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 42 mph)
6/16/12Combs176 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 42 mph)
6/26/12Cowtown205 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 40 mph)
6/26/12Combs205.5 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 40 mph)
6/27/12Cowtown504.9 ug/m3PM10Monsoon/2 Seperate Dust Storms (Max. wind speed 47 mph)
6/27/12Maricopa234.7 ug/m3PM10Monsoon/2 Seperate Dust Storms (Max. wind speed 47 mph)
6/27/12Stanfield192.5 ug/m3PM10Monsoon/2 Seperate Dust Storms (Max. wind speed 47 mph)
6/27/12Combs179.9 ug/m3PM10Monsoon/2 Seperate Dust Storms (Max. wind speed 47 mph)
6/30/12Cowtown194.5 ug/m3PM10Monsoon (Predawn storm outflow from Arizona/Mexico border)
7/11/12Stanfield337.4 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 49 mph)
7/11/12Cowtown281.3 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 49 mph)
7/11/12Maricopa160.3 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 49 mph)
7/29/12Stanfield300.9 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 41 mph)
8/5/12Combs174.4 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 46 mph)
8/8/12Cowtown389.2 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 36 mph)
8/11/12Cowtown201.8 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 36 mph)
8/11/12Stanfield161.9 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 36 mph)
8/14/12Cowtown382.7 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 44 mph)
8/14/12Maricopa207.4 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 44 mph)
8/14/12Stanfield169.2 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 44 mph)
8/21/12Stanfield181.9 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 32 mph)
9/2/12PCH491.8 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 33 mph)
9/2/12Casa Grande175.1 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 33 mph)
9/6/12PCH164.9 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 39 mph)
9/6/12Cowtown161.6 ug/m3PM10Monsoon/Dust Storm (Max. wind speed 39 mph)
1/22/12Maricopa162 ug/m3PM10Low pressure system on 1/21/12, residual suspended dust on 1/22/12 
11/9/12PCH287.7 ug/m3PM10Cold Front (Max. wind speed 29 mph)
12/13/12Stanfield227.5 ug/m3PM10Cold Front (Max. wind speed 29 mph)