| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.39 | 0.02 |
| Feb | 2.03 | 1.99 | 0.04 |
| Mar | 2.85 | 2.77 | 0.08 |
| Apr | 2.86 | 2.79 | 0.07 |
| May | 4.12 | 4.21 | -0.09 |
| Jun | 3.37 | 3.38 | -0.01 |
| Jul | 2.06 | 2.02 | 0.04 |
| Aug | 2.69 | 2.58 | 0.11 |
| Sep | 3.43 | 3.26 | 0.17 |
| Oct | 4.05 | 4.11 | -0.06 |
| Nov | 2.68 | 2.72 | -0.04 |
| Dec | 2.70 | 2.68 | 0.02 |
35.25 | 34.90 | 0.35 |