South_America: DNI, rMAD (%)
site CAC FLO^ NAT* PET^ SAO^ Mean Std
model              
SOLARGIS 21.7 22.8 21.3 26.1 17.9 22.9 2.2
DWDSARAH 25.2 29.2 24.1 26.8 24.2 26.3 2.2
CAMS_v3.2 25.2 30.5 24.3 27.2 23.7 26.8 2.7
CAMS_pre-v4 26.2 31.9 36.6 30.3 27.9 31.3 4.3
METEOTEST 32.1 34.8 26.7 36.5 nan 32.5 4.3
CERES 79.3 101.9 65.6 82.7 89.1 82.4 15.0
NSRDBGOES nan nan 30.3 35.5 nan nan nan