South_America: GHI, stddev (W/m2)
site CAC FLO^ NAT* PET^ SAO^ Mean Std
model              
SOLARGIS 93.8 83.8 73.8 96.6 62.2 87.0 10.4
CAMS_pre-v4 99.1 91.3 80.7 86.3 82.8 89.3 7.8
CAMS_v3.2 94.8 104.4 77.1 87.7 84.5 91.0 11.6
DWDSARAH 106.9 101.8 74.8 87.9 77.7 92.9 14.5
METEOTEST 104.3 98.6 85.6 124.1 nan 103.2 16.0
CERES 223.1 238.9 189.3 223.1 230.7 218.6 20.9
ACCESSG3 nan 151.1 nan nan nan nan nan
NSRDBGOES nan nan 102.3 113.3 nan nan nan