| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.97 | -0.17 |
| Feb | 1.72 | 1.97 | -0.25 |
| Mar | 2.23 | 2.22 | 0.01 |
| Apr | 3.79 | 3.79 | 0.00 |
| May | 4.13 | 4.17 | -0.04 |
| Jun | 4.22 | 4.15 | 0.07 |
| Jul | 3.39 | 3.44 | -0.05 |
| Aug | 3.61 | 3.49 | 0.12 |
| Sep | 3.40 | 3.46 | -0.06 |
| Oct | 3.25 | 3.23 | 0.02 |
| Nov | 2.43 | 2.38 | 0.05 |
| Dec | 1.88 | 2.11 | -0.23 |
35.85 | 36.38 | -0.53 |