| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.39 | 4.52 | -0.13 |
| Feb | 4.88 | 4.77 | 0.11 |
| Mar | 4.97 | 5.10 | -0.13 |
| Apr | 4.85 | 4.99 | -0.14 |
| May | 4.94 | 5.29 | -0.35 |
| Jun | 4.62 | 4.77 | -0.15 |
| Jul | 4.94 | 5.32 | -0.38 |
| Aug | 3.79 | 4.03 | -0.24 |
| Sep | 3.69 | 3.70 | -0.01 |
| Oct | 3.52 | 3.59 | -0.07 |
| Nov | 3.78 | 3.76 | 0.02 |
| Dec | 5.02 | 5.07 | -0.05 |
53.39 | 54.91 | -1.52 |