| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.08 | -0.11 |
| Feb | 2.61 | 2.77 | -0.16 |
| Mar | 3.97 | 4.07 | -0.10 |
| Apr | 3.33 | 3.40 | -0.07 |
| May | 3.78 | 4.11 | -0.33 |
| Jun | 4.27 | 4.38 | -0.11 |
| Jul | 4.43 | 4.68 | -0.25 |
| Aug | 4.34 | 4.24 | 0.10 |
| Sep | 4.50 | 4.62 | -0.12 |
| Oct | 3.84 | 4.17 | -0.33 |
| Nov | 3.07 | 3.21 | -0.14 |
| Dec | 3.68 | 3.79 | -0.11 |
44.79 | 46.52 | -1.73 |