| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.37 | 4.40 | -0.03 |
| Feb | 4.19 | 4.28 | -0.09 |
| Mar | 4.55 | 4.48 | 0.07 |
| Apr | 3.57 | 3.86 | -0.29 |
| May | 2.78 | 2.72 | 0.06 |
| Jun | 4.39 | 4.46 | -0.07 |
| Jul | 4.99 | 4.94 | 0.05 |
| Aug | 4.32 | 4.55 | -0.23 |
| Sep | 3.62 | 3.79 | -0.17 |
| Oct | 2.77 | 2.83 | -0.06 |
| Nov | 3.33 | 3.35 | -0.02 |
| Dec | 4.65 | 4.62 | 0.03 |
47.53 | 48.28 | -0.75 |