| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.13 | 0.11 |
| Feb | 3.17 | 3.15 | 0.02 |
| Mar | 3.74 | 3.55 | 0.19 |
| Apr | 3.89 | 3.82 | 0.07 |
| May | 3.74 | 3.69 | 0.05 |
| Jun | 4.31 | 4.33 | -0.02 |
| Jul | 4.07 | 3.89 | 0.18 |
| Aug | 3.99 | 4.01 | -0.02 |
| Sep | 3.89 | 3.84 | 0.05 |
| Oct | 4.89 | 4.98 | -0.09 |
| Nov | 3.85 | 3.75 | 0.10 |
| Dec | 4.26 | 4.34 | -0.08 |
47.04 | 46.48 | 0.56 |