| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.49 | -0.10 |
| Feb | 2.93 | 2.95 | -0.02 |
| Mar | 4.02 | 3.95 | 0.07 |
| Apr | 4.85 | 4.90 | -0.05 |
| May | 5.26 | 5.09 | 0.17 |
| Jun | 4.97 | 4.93 | 0.04 |
| Jul | 4.41 | 4.15 | 0.26 |
| Aug | 3.62 | 3.50 | 0.12 |
| Sep | 3.14 | 3.21 | -0.07 |
| Oct | 3.41 | 3.36 | 0.05 |
| Nov | 3.55 | 3.47 | 0.08 |
| Dec | 3.70 | 3.74 | -0.04 |
47.25 | 46.74 | 0.51 |