| WMO/ICAO ID | Name | MAE | RMSE | BIAS | maxE | minE | Cases |
|---|---|---|---|---|---|---|---|
| United States | 4.65 | 6.10 | -1.54 | 19.9 | -25.9 | 2186 | |
| Alabama | 6.20 | 7.56 | -4.13 | 8.3 | -18.0 | 64 | |
| Alaska | 6.47 | 8.53 | -3.97 | 8.9 | -25.9 | 22 | |
| Arizona | 3.13 | 3.76 | 2.59 | 11.8 | -3.7 | 44 | |
| California | 2.37 | 2.94 | -0.02 | 6.8 | -7.5 | 154 | |
| Colorado | 5.08 | 7.03 | -0.81 | 11.9 | -25.5 | 110 | |
| Connecticut | 6.04 | 7.32 | -4.57 | 5.4 | -16.8 | 22 | |
| Florida | 3.01 | 4.07 | -1.74 | 10.5 | -13.7 | 125 | |
| Idaho | 3.53 | 4.40 | -1.49 | 6.4 | -9.6 | 22 | |
| Illinois | 6.02 | 7.69 | -3.62 | 18.9 | -16.9 | 44 | |
| Indiana | 5.19 | 6.23 | -3.60 | 5.6 | -13.0 | 22 | |
| Iowa | 4.69 | 6.56 | -1.00 | 16.3 | -16.0 | 43 | |
| Kansas | 4.57 | 6.07 | 3.74 | 15.0 | -5.0 | 22 | |
| Kentucky | 5.84 | 7.53 | -5.29 | 4.7 | -19.4 | 44 | |
| Louisiana | 4.04 | 5.29 | -2.11 | 7.8 | -12.7 | 22 | |
| Maine | 4.85 | 5.94 | -2.08 | 7.3 | -14.7 | 44 | |
| Maryland | 4.83 | 5.85 | -3.68 | 5.3 | -12.0 | 22 | |
| Massachusetts | 4.76 | 6.01 | -2.73 | 6.2 | -13.4 | 22 | |
| Michigan | 4.86 | 6.14 | -2.42 | 12.8 | -14.8 | 43 | |
| Minnesota | 4.72 | 6.24 | -1.65 | 10.0 | -19.7 | 42 | |
| Missouri | 4.50 | 5.72 | -1.82 | 14.6 | -11.6 | 44 | |
| Montana | 4.77 | 6.52 | 0.76 | 19.7 | -13.8 | 66 | |
| Nebraska | 4.93 | 6.40 | 0.97 | 16.4 | -9.5 | 20 | |
| Nevada | 3.67 | 4.65 | -1.58 | 9.2 | -13.0 | 44 | |
| New Hampshire | 6.62 | 7.79 | 1.10 | 13.1 | -15.4 | 21 | |
| New Jersey | 4.85 | 6.35 | -3.35 | 12.3 | -13.8 | 43 | |
| New Mexico | 2.90 | 4.51 | 0.78 | 11.2 | -12.5 | 22 | |
| New York | 5.27 | 6.64 | -3.82 | 9.4 | -17.1 | 88 | |
| North Carolina | 6.05 | 7.55 | -2.97 | 16.6 | -22.4 | 66 | |
| North Dakota | 4.38 | 5.35 | 1.60 | 10.8 | -11.1 | 43 | |
| Ohio | 5.35 | 7.20 | -4.09 | 9.0 | -17.0 | 22 | |
| Oklahoma | 5.03 | 7.09 | 0.85 | 19.9 | -13.1 | 44 | |
| Oregon | 3.23 | 3.90 | -2.05 | 4.5 | -10.2 | 22 | |
| Pennsylvania | 5.85 | 7.43 | -4.49 | 9.7 | -17.9 | 44 | |
| South Carolina | 4.57 | 6.05 | -1.39 | 13.4 | -10.9 | 22 | |
| South Dakota | 4.79 | 5.79 | 4.49 | 15.0 | -2.2 | 22 | |
| Tennessee | 5.46 | 6.48 | -4.68 | 4.4 | -12.4 | 44 | |
| Texas | 4.57 | 5.83 | 0.15 | 17.7 | -15.2 | 202 | |
| US State Georgia | 5.74 | 7.26 | -2.75 | 13.4 | -17.1 | 66 | |
| Utah | 4.42 | 5.70 | -2.93 | 8.0 | -15.4 | 22 | |
| Vermont | 4.98 | 6.27 | -4.12 | 5.1 | -16.1 | 22 | |
| Virginia | 5.65 | 6.90 | -3.96 | 11.4 | -18.3 | 110 | |
| Washington | 2.60 | 3.29 | -0.32 | 7.7 | -6.8 | 66 | |
| Wisconsin | 5.13 | 6.46 | -3.33 | 13.2 | -12.0 | 22 | |
| Wyoming | 5.50 | 6.54 | 1.90 | 13.0 | -14.6 | 66 |