| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.86 | -0.10 |
| Feb | 3.34 | 3.32 | 0.02 |
| Mar | 4.23 | 4.27 | -0.04 |
| Apr | 3.99 | 3.94 | 0.05 |
| May | 3.78 | 3.82 | -0.04 |
| Jun | 4.35 | 4.31 | 0.04 |
| Jul | 3.93 | 3.96 | -0.03 |
| Aug | 4.32 | 4.37 | -0.05 |
| Sep | 3.84 | 3.91 | -0.07 |
| Oct | 3.43 | 3.41 | 0.02 |
| Nov | 3.47 | 3.43 | 0.04 |
| Dec | 3.94 | 4.05 | -0.11 |
46.38 | 46.65 | -0.27 |