The authors wish to acknowledge the financial support provided by the National Climatic Data Center (NCDC) and the USCRN program for this study. We are thankful for the valuable reviews of this manuscript by Dr. George E. Meyer in the Department of Biological Systems Engineering, University of Nebraska, and Dr. Tilden P. Meyers at the Atmospheric Turbulence and Diffusion Division of the NOAA/OAR/ Air Resources Laboratory.
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