| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.37 | -0.04 |
| Feb | 2.72 | 2.43 | 0.29 |
| Mar | 3.92 | 3.84 | 0.08 |
| Apr | 3.99 | 4.20 | -0.21 |
| May | 4.31 | 4.48 | -0.17 |
| Jun | 4.33 | 4.45 | -0.12 |
| Jul | 4.04 | 4.16 | -0.12 |
| Aug | 3.69 | 3.92 | -0.23 |
| Sep | 4.89 | 5.17 | -0.28 |
| Oct | 3.95 | 4.17 | -0.22 |
| Nov | 3.35 | 3.49 | -0.14 |
| Dec | 3.66 | 3.71 | -0.05 |
46.18 | 47.39 | -1.21 |