| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.99 | -0.17 |
| Feb | 2.38 | 2.49 | -0.11 |
| Mar | 3.21 | 3.38 | -0.17 |
| Apr | 4.26 | 4.39 | -0.13 |
| May | 4.53 | 4.74 | -0.21 |
| Jun | 5.05 | 5.10 | -0.05 |
| Jul | 4.14 | 4.35 | -0.21 |
| Aug | 3.33 | 3.21 | 0.12 |
| Sep | 3.30 | 3.36 | -0.06 |
| Oct | 3.30 | 3.23 | 0.07 |
| Nov | 3.40 | 3.42 | -0.02 |
| Dec | 2.85 | 2.97 | -0.12 |
42.57 | 43.63 | -1.06 |