| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 3.07 | -0.22 |
| Feb | 2.18 | 2.41 | -0.23 |
| Mar | 2.62 | 2.84 | -0.22 |
| Apr | 3.35 | 3.41 | -0.06 |
| May | 3.26 | 3.20 | 0.06 |
| Jun | 3.33 | 3.51 | -0.18 |
| Jul | 3.42 | 3.25 | 0.17 |
| Aug | 3.22 | 3.15 | 0.07 |
| Sep | 3.82 | 3.89 | -0.07 |
| Oct | 3.69 | 3.91 | -0.22 |
| Nov | 3.19 | 3.38 | -0.19 |
| Dec | 3.26 | 3.43 | -0.17 |
38.19 | 39.45 | -1.26 |