| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.13 | -0.23 |
| Feb | 2.39 | 2.49 | -0.10 |
| Mar | 3.52 | 3.55 | -0.03 |
| Apr | 3.90 | 3.96 | -0.06 |
| May | 4.24 | 4.17 | 0.07 |
| Jun | 4.36 | 4.49 | -0.13 |
| Jul | 4.52 | 4.42 | 0.10 |
| Aug | 3.55 | 3.49 | 0.06 |
| Sep | 3.14 | 3.21 | -0.07 |
| Oct | 2.86 | 2.91 | -0.05 |
| Nov | 2.82 | 2.91 | -0.09 |
| Dec | 3.04 | 3.11 | -0.07 |
41.24 | 41.84 | -0.60 |