| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.43 | 4.26 | 0.17 |
| Feb | 4.78 | 4.83 | -0.05 |
| Mar | 4.97 | 5.15 | -0.18 |
| Apr | 4.88 | 5.22 | -0.34 |
| May | 5.22 | 5.68 | -0.46 |
| Jun | 4.45 | 4.24 | 0.21 |
| Jul | 4.41 | 4.73 | -0.32 |
| Aug | 3.72 | 3.55 | 0.17 |
| Sep | 3.53 | 3.85 | -0.32 |
| Oct | 3.82 | 3.88 | -0.06 |
| Nov | 3.88 | 3.87 | 0.01 |
| Dec | 5.08 | 5.10 | -0.02 |
53.17 | 54.36 | -1.19 |