| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 2.90 | 0.20 |
| Feb | 2.50 | 2.39 | 0.11 |
| Mar | 2.57 | 2.41 | 0.16 |
| Apr | 2.16 | 2.22 | -0.06 |
| May | 1.85 | 1.77 | 0.08 |
| Jun | 1.01 | 0.84 | 0.17 |
| Jul | 0.42 | 0.47 | -0.05 |
| Aug | 0.36 | 0.36 | 0.00 |
| Sep | 0.56 | 0.61 | -0.05 |
| Oct | 1.63 | 1.52 | 0.11 |
| Nov | 2.99 | 3.04 | -0.05 |
| Dec | 4.17 | 3.82 | 0.35 |
23.32 | 22.35 | 0.97 |