| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 4.23 | -0.34 |
| Feb | 3.49 | 3.90 | -0.41 |
| Mar | 4.19 | 4.60 | -0.41 |
| Apr | 4.07 | 4.35 | -0.28 |
| May | 4.97 | 4.78 | 0.19 |
| Jun | 4.81 | 4.95 | -0.14 |
| Jul | 4.44 | 4.68 | -0.24 |
| Aug | 4.21 | 3.97 | 0.24 |
| Sep | 3.81 | 3.76 | 0.05 |
| Oct | 3.37 | 3.43 | -0.06 |
| Nov | 3.17 | 3.35 | -0.18 |
| Dec | 3.96 | 4.20 | -0.24 |
48.38 | 50.20 | -1.82 |