| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.91 | 1.90 | 0.01 |
| Feb | 1.71 | 1.82 | -0.11 |
| Mar | 2.21 | 2.31 | -0.10 |
| Apr | 3.67 | 3.74 | -0.07 |
| May | 4.61 | 4.48 | 0.13 |
| Jun | 4.40 | 4.42 | -0.02 |
| Jul | 4.06 | 3.97 | 0.09 |
| Aug | 3.85 | 3.72 | 0.13 |
| Sep | 3.21 | 3.33 | -0.12 |
| Oct | 3.17 | 3.29 | -0.12 |
| Nov | 2.53 | 2.46 | 0.07 |
| Dec | 2.03 | 2.05 | -0.02 |
37.36 | 37.49 | -0.13 |