| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.98 | -0.22 |
| Feb | 2.34 | 2.35 | -0.01 |
| Mar | 3.24 | 3.22 | 0.02 |
| Apr | 3.65 | 3.79 | -0.14 |
| May | 3.85 | 4.10 | -0.25 |
| Jun | 4.56 | 4.49 | 0.07 |
| Jul | 4.34 | 3.94 | 0.40 |
| Aug | 3.55 | 3.71 | -0.16 |
| Sep | 3.30 | 3.35 | -0.05 |
| Oct | 3.01 | 3.07 | -0.06 |
| Nov | 2.75 | 2.84 | -0.09 |
| Dec | 2.87 | 2.94 | -0.07 |
40.22 | 40.78 | -0.56 |