| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.41 | -0.04 |
| Feb | 0.48 | 0.57 | -0.09 |
| Mar | 0.96 | 1.01 | -0.05 |
| Apr | 2.08 | 2.20 | -0.12 |
| May | 2.88 | 3.18 | -0.30 |
| Jun | 3.16 | 3.25 | -0.09 |
| Jul | 3.39 | 3.34 | 0.05 |
| Aug | 2.94 | 3.05 | -0.11 |
| Sep | 1.52 | 1.60 | -0.08 |
| Oct | 1.46 | 1.48 | -0.02 |
| Nov | 0.72 | 0.68 | 0.04 |
| Dec | 0.53 | 0.57 | -0.04 |
20.49 | 21.34 | -0.85 |