| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.55 | 2.21 | 0.34 |
| Feb | 2.18 | 2.03 | 0.15 |
| Mar | 2.52 | 2.24 | 0.28 |
| Apr | 3.09 | 3.12 | -0.03 |
| May | 3.68 | 3.67 | 0.01 |
| Jun | 3.94 | 3.95 | -0.01 |
| Jul | 4.49 | 4.55 | -0.06 |
| Aug | 3.82 | 3.90 | -0.08 |
| Sep | 3.36 | 3.27 | 0.09 |
| Oct | 3.99 | 4.04 | -0.05 |
| Nov | 2.97 | 2.91 | 0.06 |
| Dec | 3.10 | 2.95 | 0.15 |
39.69 | 38.84 | 0.85 |