| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.49 | 0.06 |
| Feb | 1.64 | 1.69 | -0.05 |
| Mar | 2.85 | 2.88 | -0.03 |
| Apr | 3.99 | 3.92 | 0.07 |
| May | 5.46 | 5.44 | 0.02 |
| Jun | 4.85 | 4.69 | 0.16 |
| Jul | 3.35 | 3.64 | -0.29 |
| Aug | 3.37 | 3.47 | -0.10 |
| Sep | 3.92 | 3.58 | 0.34 |
| Oct | 3.52 | 3.46 | 0.06 |
| Nov | 2.39 | 2.32 | 0.07 |
| Dec | 2.02 | 1.90 | 0.12 |
38.91 | 38.48 | 0.43 |