| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.96 | 5.02 | -0.06 |
| Feb | 4.96 | 4.92 | 0.04 |
| Mar | 5.11 | 5.08 | 0.03 |
| Apr | 4.31 | 4.33 | -0.02 |
| May | 4.02 | 4.04 | -0.02 |
| Jun | 4.68 | 4.40 | 0.28 |
| Jul | 4.65 | 4.78 | -0.13 |
| Aug | 4.62 | 4.53 | 0.09 |
| Sep | 4.05 | 4.16 | -0.11 |
| Oct | 3.77 | 3.66 | 0.11 |
| Nov | 4.39 | 4.32 | 0.07 |
| Dec | 4.97 | 4.90 | 0.07 |
54.49 | 54.14 | 0.35 |