| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.94 | -0.17 |
| Feb | 1.76 | 1.84 | -0.08 |
| Mar | 2.31 | 2.26 | 0.05 |
| Apr | 3.76 | 3.75 | 0.01 |
| May | 4.74 | 4.78 | -0.04 |
| Jun | 4.47 | 4.35 | 0.12 |
| Jul | 3.76 | 3.70 | 0.06 |
| Aug | 3.89 | 3.99 | -0.10 |
| Sep | 3.42 | 3.37 | 0.05 |
| Oct | 3.30 | 3.33 | -0.03 |
| Nov | 2.46 | 2.53 | -0.07 |
| Dec | 2.04 | 2.12 | -0.08 |
37.68 | 37.96 | -0.28 |