| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.33 | 4.27 | 0.06 |
| Feb | 3.79 | 4.17 | -0.38 |
| Mar | 4.28 | 4.39 | -0.11 |
| Apr | 4.47 | 4.51 | -0.04 |
| May | 4.83 | 4.58 | 0.25 |
| Jun | 4.74 | 4.41 | 0.33 |
| Jul | 5.38 | 4.97 | 0.41 |
| Aug | 4.53 | 4.18 | 0.35 |
| Sep | 4.31 | 4.58 | -0.27 |
| Oct | 3.47 | 3.22 | 0.25 |
| Nov | 3.83 | 3.78 | 0.05 |
| Dec | 4.42 | 4.43 | -0.01 |
52.38 | 51.49 | 0.89 |