| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.68 | -0.07 |
| Feb | 3.38 | 3.55 | -0.17 |
| Mar | 4.72 | 4.84 | -0.12 |
| Apr | 5.31 | 5.17 | 0.14 |
| May | 5.26 | 5.30 | -0.04 |
| Jun | 4.34 | 4.68 | -0.34 |
| Jul | 4.34 | 4.29 | 0.05 |
| Aug | 3.12 | 3.07 | 0.05 |
| Sep | 3.72 | 3.71 | 0.01 |
| Oct | 3.52 | 3.57 | -0.05 |
| Nov | 3.88 | 3.94 | -0.06 |
| Dec | 3.97 | 4.22 | -0.25 |
49.17 | 50.02 | -0.85 |