| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.46 | 1.49 | -0.03 |
| Feb | 1.82 | 1.88 | -0.06 |
| Mar | 2.75 | 2.78 | -0.03 |
| Apr | 4.17 | 4.05 | 0.12 |
| May | 5.10 | 5.29 | -0.19 |
| Jun | 4.98 | 5.23 | -0.25 |
| Jul | 4.52 | 4.49 | 0.03 |
| Aug | 3.73 | 3.84 | -0.11 |
| Sep | 3.68 | 3.58 | 0.10 |
| Oct | 3.35 | 3.28 | 0.07 |
| Nov | 2.44 | 2.42 | 0.02 |
| Dec | 1.70 | 1.78 | -0.08 |
39.70 | 40.11 | -0.41 |