| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.85 | -0.15 |
| Feb | 1.71 | 1.75 | -0.04 |
| Mar | 2.23 | 2.33 | -0.10 |
| Apr | 3.70 | 3.86 | -0.16 |
| May | 3.97 | 4.05 | -0.08 |
| Jun | 4.17 | 4.07 | 0.10 |
| Jul | 3.30 | 3.39 | -0.09 |
| Aug | 3.57 | 3.48 | 0.09 |
| Sep | 3.32 | 3.43 | -0.11 |
| Oct | 3.12 | 3.03 | 0.09 |
| Nov | 2.31 | 2.34 | -0.03 |
| Dec | 1.85 | 2.02 | -0.17 |
34.95 | 35.60 | -0.65 |