| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.82 | 3.89 | -0.07 |
| Feb | 3.55 | 3.48 | 0.07 |
| Mar | 4.71 | 4.75 | -0.04 |
| Apr | 4.23 | 4.35 | -0.12 |
| May | 3.61 | 3.67 | -0.06 |
| Jun | 4.12 | 4.13 | -0.01 |
| Jul | 3.49 | 3.50 | -0.01 |
| Aug | 3.59 | 3.66 | -0.07 |
| Sep | 3.85 | 3.89 | -0.04 |
| Oct | 4.75 | 4.85 | -0.10 |
| Nov | 3.98 | 4.03 | -0.05 |
| Dec | 4.82 | 4.88 | -0.06 |
48.52 | 49.08 | -0.56 |