| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.15 | 5.03 | -0.88 |
| Feb | 3.76 | 4.61 | -0.85 |
| Mar | 4.44 | 5.05 | -0.61 |
| Apr | 4.39 | 5.07 | -0.68 |
| May | 5.38 | 5.98 | -0.60 |
| Jun | 5.13 | 5.27 | -0.14 |
| Jul | 5.17 | 5.84 | -0.67 |
| Aug | 4.33 | 4.62 | -0.29 |
| Sep | 3.93 | 3.96 | -0.03 |
| Oct | 3.61 | 3.72 | -0.11 |
| Nov | 3.40 | 3.75 | -0.35 |
| Dec | 4.17 | 4.75 | -0.58 |
51.86 | 57.65 | -5.79 |