Version 0.1, May 2014
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* `extract_freq` regional selection criterion does not include US territories such as Puerto Rico and Guam. Future updates would incorporate these regions. 

*  `rainfreq` currently does not extract the upper and lower limits of the confidence intervals on frequency estimates. Future updates would incorporate this data.
 
*  Data for Texas and Pacific Northwest is currently not available from NWS. When such data becomes available, `rainfreq` would be updated accordingly.
