| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.66 | -0.19 |
| Feb | 2.89 | 2.97 | -0.08 |
| Mar | 3.78 | 3.90 | -0.12 |
| Apr | 3.40 | 3.65 | -0.25 |
| May | 3.81 | 3.84 | -0.03 |
| Jun | 4.45 | 4.50 | -0.05 |
| Jul | 5.49 | 5.38 | 0.11 |
| Aug | 5.28 | 5.38 | -0.10 |
| Sep | 5.05 | 4.94 | 0.11 |
| Oct | 3.92 | 4.22 | -0.30 |
| Nov | 3.12 | 3.41 | -0.29 |
| Dec | 3.28 | 3.59 | -0.31 |
47.94 | 49.44 | -1.50 |