| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.45 | -0.10 |
| Feb | 2.65 | 2.76 | -0.11 |
| Mar | 3.72 | 3.83 | -0.11 |
| Apr | 3.79 | 3.86 | -0.07 |
| May | 3.90 | 3.99 | -0.09 |
| Jun | 4.59 | 4.68 | -0.09 |
| Jul | 4.61 | 4.54 | 0.07 |
| Aug | 4.50 | 4.71 | -0.21 |
| Sep | 4.48 | 4.55 | -0.07 |
| Oct | 4.38 | 4.71 | -0.33 |
| Nov | 3.27 | 3.20 | 0.07 |
| Dec | 3.94 | 4.21 | -0.27 |
47.18 | 48.49 | -1.31 |