| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.43 | -0.08 |
| Feb | 3.04 | 3.09 | -0.05 |
| Mar | 4.06 | 4.18 | -0.12 |
| Apr | 3.39 | 3.44 | -0.05 |
| May | 3.50 | 3.62 | -0.12 |
| Jun | 3.72 | 3.89 | -0.17 |
| Jul | 4.42 | 4.91 | -0.49 |
| Aug | 4.58 | 4.58 | 0.00 |
| Sep | 4.19 | 4.46 | -0.27 |
| Oct | 4.18 | 4.53 | -0.35 |
| Nov | 3.37 | 3.45 | -0.08 |
| Dec | 3.91 | 4.10 | -0.19 |
45.71 | 47.68 | -1.97 |