| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 4.70 | 0.09 |
| Feb | 4.78 | 4.79 | -0.01 |
| Mar | 4.95 | 4.85 | 0.10 |
| Apr | 4.05 | 3.98 | 0.07 |
| May | 3.89 | 3.97 | -0.08 |
| Jun | 4.46 | 4.45 | 0.01 |
| Jul | 4.82 | 4.81 | 0.01 |
| Aug | 4.39 | 4.53 | -0.14 |
| Sep | 4.13 | 4.27 | -0.14 |
| Oct | 3.56 | 3.53 | 0.03 |
| Nov | 4.16 | 4.24 | -0.08 |
| Dec | 4.70 | 4.71 | -0.01 |
52.68 | 52.83 | -0.15 |