| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.36 | -0.04 |
| Feb | 2.81 | 2.84 | -0.03 |
| Mar | 4.05 | 4.12 | -0.07 |
| Apr | 3.77 | 3.61 | 0.16 |
| May | 4.25 | 4.18 | 0.07 |
| Jun | 4.41 | 4.20 | 0.21 |
| Jul | 4.55 | 4.31 | 0.24 |
| Aug | 3.94 | 3.85 | 0.09 |
| Sep | 4.75 | 4.74 | 0.01 |
| Oct | 4.27 | 4.31 | -0.04 |
| Nov | 3.52 | 3.33 | 0.19 |
| Dec | 3.84 | 3.97 | -0.13 |
47.48 | 46.82 | 0.66 |