Table 3-4. Solar Radiation and Illuminance Uncertainty Flags

  Flag       Uncertainty Range (%)    
1Not used
2 2 - 4
3 4 - 6
4 6 - 9
5 9 - 13
613 - 18
718 - 25
825 - 35
935 - 50
0Not applicable



http://www.nrel.gov/rredc