| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.20 | -0.15 |
| Feb | 2.13 | 2.47 | -0.34 |
| Mar | 2.60 | 2.82 | -0.22 |
| Apr | 3.39 | 3.39 | 0.00 |
| May | 3.23 | 3.43 | -0.20 |
| Jun | 3.49 | 3.41 | 0.08 |
| Jul | 3.69 | 3.31 | 0.38 |
| Aug | 3.33 | 3.41 | -0.08 |
| Sep | 3.95 | 4.06 | -0.11 |
| Oct | 3.96 | 4.36 | -0.40 |
| Nov | 3.35 | 4.05 | -0.70 |
| Dec | 3.40 | 3.74 | -0.34 |
39.57 | 41.65 | -2.08 |