| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.58 | -0.03 |
| Feb | 2.89 | 2.90 | -0.01 |
| Mar | 4.08 | 3.99 | 0.09 |
| Apr | 3.68 | 3.77 | -0.09 |
| May | 3.78 | 3.97 | -0.19 |
| Jun | 4.52 | 4.22 | 0.30 |
| Jul | 5.32 | 5.49 | -0.17 |
| Aug | 5.05 | 5.37 | -0.32 |
| Sep | 5.10 | 5.02 | 0.08 |
| Oct | 3.90 | 4.29 | -0.39 |
| Nov | 3.09 | 3.03 | 0.06 |
| Dec | 3.63 | 3.61 | 0.02 |
48.59 | 49.24 | -0.65 |