READ_CAMx_3DAVG: Reads CAMx 3D Average Concentration File
In alexcohan/RCAMx: RCAMx: Loading Tools for CAMx Files

Reads CAMx 3D average concentration file and returns a R data frame.

1 2	READ_CAMx_3DAVG(inputAVG,inputMET,timezone="GMT", strp = TRUE, addutm = FALSE, temp="TEMPXX25V367X1.dat")

`inputAVG`	Input data file of CAMx 3D average concentration file in UAM format.
`inputMET`	Input data file of CAMx 3D metereology file in UAM format.
`timezone`	Timezone of input data file.
`strp`	Optional flag to include boundary cell data.
`addutm`	Optional flag to include model utm coordinates in output data frame.
`temp`	Temporary file used to store species names. RCAMx needs access to read and write this file.