| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.09 | -0.19 |
| Feb | 2.38 | 2.44 | -0.06 |
| Mar | 3.47 | 3.51 | -0.04 |
| Apr | 3.96 | 3.97 | -0.01 |
| May | 4.27 | 4.21 | 0.06 |
| Jun | 4.39 | 4.52 | -0.13 |
| Jul | 4.43 | 4.48 | -0.05 |
| Aug | 3.60 | 3.51 | 0.09 |
| Sep | 3.18 | 3.24 | -0.06 |
| Oct | 2.88 | 2.91 | -0.03 |
| Nov | 2.84 | 2.91 | -0.07 |
| Dec | 3.04 | 3.10 | -0.06 |
41.34 | 41.89 | -0.55 |