| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.82 | -0.07 |
| Feb | 2.42 | 2.47 | -0.05 |
| Mar | 3.37 | 3.39 | -0.02 |
| Apr | 3.52 | 3.61 | -0.09 |
| May | 4.03 | 4.20 | -0.17 |
| Jun | 3.87 | 3.99 | -0.12 |
| Jul | 3.83 | 3.55 | 0.28 |
| Aug | 3.49 | 3.50 | -0.01 |
| Sep | 3.68 | 3.82 | -0.14 |
| Oct | 3.00 | 3.01 | -0.01 |
| Nov | 2.73 | 2.90 | -0.17 |
| Dec | 3.02 | 3.17 | -0.15 |
39.71 | 40.43 | -0.72 |