| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.48 | 0.11 |
| Feb | 1.16 | 1.14 | 0.02 |
| Mar | 1.82 | 1.73 | 0.09 |
| Apr | 3.06 | 3.01 | 0.05 |
| May | 3.45 | 3.40 | 0.05 |
| Jun | 3.81 | 3.97 | -0.16 |
| Jul | 3.35 | 3.49 | -0.14 |
| Aug | 3.36 | 3.39 | -0.03 |
| Sep | 3.04 | 3.11 | -0.07 |
| Oct | 3.02 | 2.90 | 0.12 |
| Nov | 2.18 | 2.05 | 0.13 |
| Dec | 1.78 | 1.66 | 0.12 |
31.62 | 31.33 | 0.29 |