| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.82 | 1.84 | -0.02 |
| Feb | 2.03 | 2.12 | -0.09 |
| Mar | 3.03 | 3.24 | -0.21 |
| Apr | 4.68 | 4.96 | -0.28 |
| May | 6.31 | 6.72 | -0.41 |
| Jun | 5.42 | 5.85 | -0.43 |
| Jul | 3.87 | 4.36 | -0.49 |
| Aug | 3.56 | 3.46 | 0.10 |
| Sep | 4.39 | 4.70 | -0.31 |
| Oct | 3.57 | 3.61 | -0.04 |
| Nov | 3.18 | 3.27 | -0.09 |
| Dec | 2.31 | 2.44 | -0.13 |
44.17 | 46.57 | -2.40 |