| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.40 | -0.05 |
| Feb | 0.40 | 0.44 | -0.04 |
| Mar | 0.94 | 1.09 | -0.15 |
| Apr | 1.85 | 1.90 | -0.05 |
| May | 2.36 | 2.58 | -0.22 |
| Jun | 1.74 | 1.57 | 0.17 |
| Jul | 1.52 | 1.42 | 0.10 |
| Aug | 1.39 | 1.33 | 0.06 |
| Sep | 1.23 | 1.28 | -0.05 |
| Oct | 1.05 | 1.13 | -0.08 |
| Nov | 0.67 | 0.70 | -0.03 |
| Dec | 0.40 | 0.49 | -0.09 |
13.90 | 14.33 | -0.43 |