| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.96 | 2.31 | -0.35 |
| Feb | 1.33 | 1.70 | -0.37 |
| Mar | 1.78 | 1.91 | -0.13 |
| Apr | 2.88 | 3.11 | -0.23 |
| May | 3.10 | 2.97 | 0.13 |
| Jun | 2.80 | 2.87 | -0.07 |
| Jul | 2.86 | 2.97 | -0.11 |
| Aug | 3.08 | 3.19 | -0.11 |
| Sep | 3.39 | 3.48 | -0.09 |
| Oct | 3.83 | 3.89 | -0.06 |
| Nov | 2.57 | 2.80 | -0.23 |
| Dec | 2.10 | 2.41 | -0.31 |
31.68 | 33.61 | -1.93 |