| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.51 | -0.12 |
| Feb | 2.90 | 3.01 | -0.11 |
| Mar | 3.55 | 3.54 | 0.01 |
| Apr | 2.82 | 2.81 | 0.01 |
| May | 3.39 | 3.26 | 0.13 |
| Jun | 7.40 | 7.79 | -0.39 |
| Jul | 7.20 | 7.07 | 0.13 |
| Aug | 7.55 | 7.75 | -0.20 |
| Sep | 5.71 | 5.60 | 0.11 |
| Oct | 2.82 | 2.97 | -0.15 |
| Nov | 1.90 | 1.94 | -0.04 |
| Dec | 3.03 | 3.08 | -0.05 |
51.66 | 52.33 | -0.67 |