| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.76 | 1.83 | -0.07 |
| Feb | 1.73 | 1.82 | -0.09 |
| Mar | 2.20 | 2.29 | -0.09 |
| Apr | 3.72 | 3.69 | 0.03 |
| May | 4.72 | 4.75 | -0.03 |
| Jun | 4.49 | 4.32 | 0.17 |
| Jul | 3.82 | 3.72 | 0.10 |
| Aug | 3.94 | 3.82 | 0.12 |
| Sep | 3.35 | 3.40 | -0.05 |
| Oct | 3.28 | 3.25 | 0.03 |
| Nov | 2.56 | 2.48 | 0.08 |
| Dec | 1.98 | 2.11 | -0.13 |
37.55 | 37.48 | 0.07 |