| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.25 | -0.03 |
| Feb | 1.93 | 2.01 | -0.08 |
| Mar | 2.39 | 2.43 | -0.04 |
| Apr | 3.78 | 3.79 | -0.01 |
| May | 4.33 | 4.50 | -0.17 |
| Jun | 4.40 | 4.52 | -0.12 |
| Jul | 4.15 | 4.36 | -0.21 |
| Aug | 3.91 | 4.02 | -0.11 |
| Sep | 3.38 | 3.30 | 0.08 |
| Oct | 3.43 | 3.49 | -0.06 |
| Nov | 2.70 | 2.74 | -0.04 |
| Dec | 2.15 | 2.25 | -0.10 |
38.77 | 39.66 | -0.89 |