| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.90 | 1.83 | 0.07 |
| Feb | 1.73 | 1.74 | -0.01 |
| Mar | 2.43 | 2.41 | 0.02 |
| Apr | 2.42 | 2.39 | 0.03 |
| May | 4.06 | 4.01 | 0.05 |
| Jun | 3.35 | 3.56 | -0.21 |
| Jul | 2.32 | 2.84 | -0.52 |
| Aug | 2.39 | 2.36 | 0.03 |
| Sep | 3.55 | 3.68 | -0.13 |
| Oct | 3.35 | 3.48 | -0.13 |
| Nov | 2.21 | 2.39 | -0.18 |
| Dec | 1.82 | 2.02 | -0.20 |
31.53 | 32.71 | -1.18 |