| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.32 | -0.25 |
| Feb | 1.64 | 1.78 | -0.14 |
| Mar | 2.10 | 2.15 | -0.05 |
| Apr | 2.97 | 3.07 | -0.10 |
| May | 3.71 | 3.78 | -0.07 |
| Jun | 3.35 | 3.39 | -0.04 |
| Jul | 3.35 | 3.18 | 0.17 |
| Aug | 3.20 | 3.22 | -0.02 |
| Sep | 2.92 | 2.99 | -0.07 |
| Oct | 2.82 | 2.84 | -0.02 |
| Nov | 2.40 | 2.48 | -0.08 |
| Dec | 2.07 | 2.12 | -0.05 |
32.60 | 33.32 | -0.72 |