| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.48 | 0.01 |
| Feb | 2.11 | 2.04 | 0.07 |
| Mar | 2.68 | 2.82 | -0.14 |
| Apr | 2.39 | 2.43 | -0.04 |
| May | 3.42 | 3.40 | 0.02 |
| Jun | 8.35 | 9.46 | -1.11 |
| Jul | 7.81 | 8.72 | -0.91 |
| Aug | 9.00 | 9.02 | -0.02 |
| Sep | 7.64 | 7.85 | -0.21 |
| Oct | 3.03 | 3.10 | -0.07 |
| Nov | 1.95 | 1.84 | 0.11 |
| Dec | 2.12 | 2.04 | 0.08 |
52.99 | 55.20 | -2.21 |