| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.40 | 0.04 |
| Feb | 3.36 | 3.45 | -0.09 |
| Mar | 4.23 | 4.34 | -0.11 |
| Apr | 4.29 | 4.43 | -0.14 |
| May | 3.72 | 3.81 | -0.09 |
| Jun | 4.19 | 4.21 | -0.02 |
| Jul | 3.77 | 3.70 | 0.07 |
| Aug | 3.53 | 3.57 | -0.04 |
| Sep | 3.88 | 3.82 | 0.06 |
| Oct | 4.84 | 4.96 | -0.12 |
| Nov | 4.11 | 4.02 | 0.09 |
| Dec | 4.47 | 4.56 | -0.09 |
47.83 | 48.27 | -0.44 |