Table 13.2.2. Persian Gulf crudes Degrees API $/barrel 27.0 12.02 28.5 12.04 30.8 12.32 31.3 12.27 31.9 12.49 34.5 12.70 34.0 12.80 34.7 13.00 37.0 13.00 41.1 13.17 41.0 13.19 38.8 13.22 39.3 13.27