Index - R
| Rain | Data.Aviation.WX | 
| RCTDry | Data.Aviation.WX | 
| RCTDrySnow | Data.Aviation.WX | 
| RCTFZRut | Data.Aviation.WX | 
| RCTIce | Data.Aviation.WX | 
| RCTMoist | Data.Aviation.WX | 
| RCTRime | Data.Aviation.WX | 
| RCTSlush | Data.Aviation.WX | 
| RCTUnknown | Data.Aviation.WX | 
| RCTWet | Data.Aviation.WX | 
| RCTWetSnow | Data.Aviation.WX | 
| Recent | Data.Aviation.WX | 
| remark | Data.Aviation.WX | 
| ReportType | Data.Aviation.WX | 
| reporttype | Data.Aviation.WX | 
| Runway | Data.Aviation.WX | 
| runway | Data.Aviation.WX | 
| RunwayBraking | Data.Aviation.WX | 
| runwayBraking | Data.Aviation.WX | 
| runwaycond | Data.Aviation.WX | 
| RunwayCondition | Data.Aviation.WX | 
| runwayCondition | Data.Aviation.WX | 
| runwayDirection | Data.Aviation.WX | 
| runwayQFU | Data.Aviation.WX | 
| runwayvis | Data.Aviation.WX | 
| rwclosedRunway | Data.Aviation.WX | 
| rwcondBrkCoeff | Data.Aviation.WX | 
| rwcondCover | Data.Aviation.WX | 
| rwcondCoverHeight | Data.Aviation.WX | 
| rwcondRunway | Data.Aviation.WX | 
| rwcondSpread | Data.Aviation.WX | 
| RWYCenter | Data.Aviation.WX | 
| RwyClosed | Data.Aviation.WX | 
| RwyCoverType | Data.Aviation.WX | 
| rwyCoverType | Data.Aviation.WX | 
| RWYLeft | Data.Aviation.WX | 
| RWYRight | Data.Aviation.WX |