| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.39 | -0.09 |
| Feb | 3.11 | 3.12 | -0.01 |
| Mar | 3.38 | 3.43 | -0.05 |
| Apr | 3.25 | 3.26 | -0.01 |
| May | 3.09 | 3.05 | 0.04 |
| Jun | 5.25 | 5.37 | -0.12 |
| Jul | 5.89 | 5.48 | 0.41 |
| Aug | 6.39 | 6.74 | -0.35 |
| Sep | 4.51 | 4.47 | 0.04 |
| Oct | 3.98 | 3.85 | 0.13 |
| Nov | 2.61 | 2.56 | 0.05 |
| Dec | 3.14 | 3.35 | -0.21 |
47.90 | 48.07 | -0.17 |