| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.54 | -0.07 |
| Feb | 0.55 | 0.67 | -0.12 |
| Mar | 1.23 | 1.38 | -0.15 |
| Apr | 1.98 | 2.08 | -0.10 |
| May | 2.39 | 2.51 | -0.12 |
| Jun | 1.72 | 1.82 | -0.10 |
| Jul | 1.89 | 1.94 | -0.05 |
| Aug | 1.79 | 1.67 | 0.12 |
| Sep | 1.38 | 1.25 | 0.13 |
| Oct | 1.08 | 1.22 | -0.14 |
| Nov | 0.71 | 0.85 | -0.14 |
| Dec | 0.53 | 0.58 | -0.05 |
15.72 | 16.51 | -0.79 |