| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.77 | 4.66 | 0.11 |
| Feb | 4.72 | 4.77 | -0.05 |
| Mar | 4.96 | 4.87 | 0.09 |
| Apr | 3.99 | 3.99 | 0.00 |
| May | 3.79 | 3.88 | -0.09 |
| Jun | 4.55 | 4.49 | 0.06 |
| Jul | 4.88 | 4.78 | 0.10 |
| Aug | 4.34 | 4.74 | -0.40 |
| Sep | 4.18 | 4.30 | -0.12 |
| Oct | 3.51 | 3.53 | -0.02 |
| Nov | 4.12 | 4.25 | -0.13 |
| Dec | 4.65 | 4.69 | -0.04 |
52.46 | 52.95 | -0.49 |