| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.84 | -0.32 |
| Feb | 2.07 | 2.32 | -0.25 |
| Mar | 2.68 | 2.82 | -0.14 |
| Apr | 3.46 | 3.61 | -0.15 |
| May | 3.65 | 3.73 | -0.08 |
| Jun | 3.78 | 3.82 | -0.04 |
| Jul | 3.61 | 3.74 | -0.13 |
| Aug | 3.49 | 3.71 | -0.22 |
| Sep | 3.64 | 3.72 | -0.08 |
| Oct | 3.33 | 3.44 | -0.11 |
| Nov | 2.98 | 3.05 | -0.07 |
| Dec | 2.64 | 2.90 | -0.26 |
37.85 | 39.70 | -1.85 |