| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.16 | 3.89 | 0.27 |
| Feb | 2.81 | 2.55 | 0.26 |
| Mar | 2.85 | 2.53 | 0.32 |
| Apr | 2.42 | 2.14 | 0.28 |
| May | 2.04 | 1.94 | 0.10 |
| Jun | 1.49 | 1.41 | 0.08 |
| Jul | 0.90 | 0.78 | 0.12 |
| Aug | 1.03 | 0.86 | 0.17 |
| Sep | 1.65 | 1.53 | 0.12 |
| Oct | 3.31 | 3.04 | 0.27 |
| Nov | 4.82 | 4.33 | 0.49 |
| Dec | 3.97 | 3.66 | 0.31 |
31.45 | 28.66 | 2.79 |