| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.90 | -0.33 |
| Feb | 2.12 | 2.29 | -0.17 |
| Mar | 2.75 | 2.95 | -0.20 |
| Apr | 3.49 | 3.63 | -0.14 |
| May | 3.72 | 3.61 | 0.11 |
| Jun | 3.83 | 3.77 | 0.06 |
| Jul | 3.71 | 3.66 | 0.05 |
| Aug | 3.52 | 3.61 | -0.09 |
| Sep | 3.70 | 3.72 | -0.02 |
| Oct | 3.42 | 3.49 | -0.07 |
| Nov | 3.10 | 3.07 | 0.03 |
| Dec | 2.72 | 3.02 | -0.30 |
38.65 | 39.72 | -1.07 |