| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 4.66 | 0.13 |
| Feb | 4.74 | 4.75 | -0.01 |
| Mar | 4.88 | 4.79 | 0.09 |
| Apr | 3.98 | 4.04 | -0.06 |
| May | 3.72 | 3.79 | -0.07 |
| Jun | 4.51 | 4.43 | 0.08 |
| Jul | 4.87 | 4.82 | 0.05 |
| Aug | 4.35 | 4.59 | -0.24 |
| Sep | 3.99 | 4.12 | -0.13 |
| Oct | 3.50 | 3.51 | -0.01 |
| Nov | 4.07 | 4.21 | -0.14 |
| Dec | 4.68 | 4.70 | -0.02 |
52.08 | 52.41 | -0.33 |