| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.00 | 0.15 |
| Feb | 3.09 | 3.13 | -0.04 |
| Mar | 4.27 | 4.12 | 0.15 |
| Apr | 5.31 | 5.53 | -0.22 |
| May | 5.52 | 5.30 | 0.22 |
| Jun | 3.90 | 3.85 | 0.05 |
| Jul | 4.02 | 3.84 | 0.18 |
| Aug | 3.82 | 3.53 | 0.29 |
| Sep | 3.66 | 3.85 | -0.19 |
| Oct | 3.49 | 3.41 | 0.08 |
| Nov | 4.61 | 4.52 | 0.09 |
| Dec | 3.25 | 3.33 | -0.08 |
48.09 | 47.41 | 0.68 |