| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.34 | 2.56 | -0.22 |
| Feb | 1.97 | 2.19 | -0.22 |
| Mar | 2.28 | 2.39 | -0.11 |
| Apr | 3.50 | 3.61 | -0.11 |
| May | 4.19 | 4.06 | 0.13 |
| Jun | 4.16 | 4.20 | -0.04 |
| Jul | 3.84 | 4.09 | -0.25 |
| Aug | 4.02 | 4.06 | -0.04 |
| Sep | 3.37 | 3.41 | -0.04 |
| Oct | 3.58 | 3.97 | -0.39 |
| Nov | 2.68 | 2.82 | -0.14 |
| Dec | 2.32 | 2.33 | -0.01 |
38.25 | 39.69 | -1.44 |