| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.59 | -0.20 |
| Feb | 2.87 | 3.07 | -0.20 |
| Mar | 3.68 | 3.87 | -0.19 |
| Apr | 3.37 | 3.62 | -0.25 |
| May | 3.77 | 3.82 | -0.05 |
| Jun | 4.35 | 4.37 | -0.02 |
| Jul | 5.47 | 5.35 | 0.12 |
| Aug | 5.21 | 5.41 | -0.20 |
| Sep | 4.98 | 4.77 | 0.21 |
| Oct | 3.87 | 4.20 | -0.33 |
| Nov | 2.97 | 3.37 | -0.40 |
| Dec | 3.28 | 3.63 | -0.35 |
47.21 | 49.07 | -1.86 |