| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.37 | 2.57 | -0.20 |
| Feb | 1.97 | 2.19 | -0.22 |
| Mar | 2.27 | 2.39 | -0.12 |
| Apr | 3.49 | 3.60 | -0.11 |
| May | 4.16 | 4.05 | 0.11 |
| Jun | 4.09 | 4.19 | -0.10 |
| Jul | 3.84 | 4.09 | -0.25 |
| Aug | 3.92 | 4.06 | -0.14 |
| Sep | 3.39 | 3.40 | -0.01 |
| Oct | 3.59 | 3.97 | -0.38 |
| Nov | 2.69 | 2.82 | -0.13 |
| Dec | 2.33 | 2.33 | 0.00 |
38.11 | 39.66 | -1.55 |