| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.49 | -0.06 |
| Feb | 2.01 | 2.08 | -0.07 |
| Mar | 2.33 | 2.38 | -0.05 |
| Apr | 3.65 | 3.69 | -0.04 |
| May | 4.20 | 4.34 | -0.14 |
| Jun | 4.32 | 4.36 | -0.04 |
| Jul | 3.99 | 3.87 | 0.12 |
| Aug | 3.90 | 4.02 | -0.12 |
| Sep | 3.05 | 2.98 | 0.07 |
| Oct | 3.04 | 2.97 | 0.07 |
| Nov | 2.85 | 3.00 | -0.15 |
| Dec | 2.34 | 2.32 | 0.02 |
38.11 | 38.50 | -0.39 |