| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.61 | 0.01 |
| Feb | 3.33 | 3.45 | -0.12 |
| Mar | 3.52 | 3.72 | -0.20 |
| Apr | 3.25 | 3.34 | -0.09 |
| May | 3.45 | 3.38 | 0.07 |
| Jun | 5.67 | 5.56 | 0.11 |
| Jul | 5.72 | 5.41 | 0.31 |
| Aug | 5.75 | 5.94 | -0.19 |
| Sep | 4.35 | 4.40 | -0.05 |
| Oct | 3.36 | 3.39 | -0.03 |
| Nov | 2.56 | 2.65 | -0.09 |
| Dec | 3.32 | 3.49 | -0.17 |
47.90 | 48.34 | -0.44 |