| ASME | American Society of Mechanical Engineers |
| CD-ROM | Compact Disk-Read Only Memory |
| CCF | Calibration Correction Factor |
| cfd | cumulative frequency distribution |
| CSN | Clear Solar Noon |
| DOE | Department of Energy |
| ERSATZ | meaning synthetic, or modeled |
| ETR | Extraterrestrial Radiation |
| HBCU | Historically Black Colleges and Universities |
| m/s | meters per second |
| mb | millibars |
| MB | Megabyte |
| METSTAT | METeorological-STATistical |
| NCDC | National Climatic Data Center |
| NOAA | National Oceanic and Atmospheric Administration |
| NREL | National Renewable Energy Laboratory |
| NSRDB | National Solar Radiation Data Base |
| NWS | National Weather Service |
| PSP | Precision Spectral Pyranometer (Eppley Laboratories) |
| QC | Quality Control |
| SEMRTS | Solar Energy Metorological Research and Training Site |
| SERI | Solar Energy Research Institute (now National Renewable Energy Laboratory - NREL) |
| SI | Standard International |
| SOLMET | SOLar METeorological |
| SOLRAD | SOLar RADiation (Network) |
| SRRL | Solar Radiation Research Laboratory |
| SYI | Standard Year Irradiance |
| SYNCAL | Synthetic Calibration |
| TD | Tape Deck |
| TMY | Typical Meteorological Year |
| TZ | Time Zone |
| UT | Universal Time |
| WBAN | Weather Bureau Army Navy |
| Wh/m2 | Watt-hours per square meter |
| WMO | World Meteorological Organization |
Table of Contents
Return to RReDC Homepage ( http://www.nrel.gov/rredc )
Preface
How to Use This Manual