| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.55 | -0.08 |
| Feb | 1.36 | 1.38 | -0.02 |
| Mar | 1.89 | 1.84 | 0.05 |
| Apr | 3.53 | 3.49 | 0.04 |
| May | 3.85 | 3.84 | 0.01 |
| Jun | 4.79 | 4.57 | 0.22 |
| Jul | 3.81 | 3.88 | -0.07 |
| Aug | 3.88 | 3.78 | 0.10 |
| Sep | 3.25 | 3.12 | 0.13 |
| Oct | 2.82 | 2.80 | 0.02 |
| Nov | 2.10 | 2.03 | 0.07 |
| Dec | 1.71 | 1.76 | -0.05 |
34.46 | 34.04 | 0.42 |