| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.25 | 0.10 |
| Feb | 2.99 | 2.96 | 0.03 |
| Mar | 3.55 | 3.38 | 0.17 |
| Apr | 3.76 | 3.60 | 0.16 |
| May | 3.66 | 3.68 | -0.02 |
| Jun | 4.52 | 4.39 | 0.13 |
| Jul | 4.30 | 4.24 | 0.06 |
| Aug | 4.34 | 4.45 | -0.11 |
| Sep | 4.29 | 4.14 | 0.15 |
| Oct | 4.82 | 4.96 | -0.14 |
| Nov | 3.54 | 3.56 | -0.02 |
| Dec | 4.24 | 4.36 | -0.12 |
47.36 | 46.97 | 0.39 |