| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.87 | 4.09 | -0.22 |
| Feb | 3.37 | 3.57 | -0.20 |
| Mar | 4.89 | 5.22 | -0.33 |
| Apr | 4.39 | 4.66 | -0.27 |
| May | 3.55 | 3.57 | -0.02 |
| Jun | 3.82 | 3.98 | -0.16 |
| Jul | 3.22 | 3.29 | -0.07 |
| Aug | 3.77 | 3.97 | -0.20 |
| Sep | 3.98 | 4.09 | -0.11 |
| Oct | 4.78 | 4.78 | 0.00 |
| Nov | 4.06 | 4.23 | -0.17 |
| Dec | 4.79 | 5.06 | -0.27 |
48.49 | 50.51 | -2.02 |